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546 vulnerabilities
CVE-2026-28385 (GCVE-0-2026-28385)
Vulnerability from cvelistv5 – Published: 2026-06-26 16:23 – Updated: 2026-06-26 17:13
VLAI
Title
SSRF via image import from URL allows internal network probing by authenticated users
Summary
In Canonical LXD versions 4.12 through 6.9, a Server-Side Request Forgery (SSRF) vulnerability in the image import functionality allows authenticated users with the can_create_images entitlement to interact with internal network infrastructure via the /images endpoint. When importing an image from a URL source, the LXD daemon fails to validate or restrict outbound destination IP addresses, allowing connections to loopback, RFC1918 private ranges, and cloud metadata endpoints. This enables error-based port scanning and unauthorized interaction with internal HTTP services from the daemon's network position.
Severity
5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/canonical/lxd/security/advisor… | vdb-entryvendor-advisory |
| https://github.com/canonical/lxd/pull/18462 | patchissue-tracking |
Credits
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CVE-2026-9640 (GCVE-0-2026-9640)
Vulnerability from cvelistv5 – Published: 2026-06-26 15:50 – Updated: 2026-06-26 16:00
VLAI
Title
LXD Snapshot Import Privilege Escalation Vulnerability
Summary
A privilege escalation vulnerability exists in LXD from 6.0 before 6.9, 5.21.0 before 5.21.5, and 5.0.0 before 5.0.7 regarding the handling of project-restriction policies during snapshot restoration.. An authenticated project operator in a restricted multi-tenant environment can bypass policy restrictions by importing a maliciously crafted instance backup containing restricted configuration keys within a snapshot. When the snapshot is restored, these restricted keys are applied to the live instance without policy validation. Starting the modified instance grants the operator unauthorized host root access.
Severity
7.2 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/canonical/lxd/security/advisor… | vdb-entryvendor-advisory |
| https://github.com/canonical/lxd/pull/18301 | patch |
| https://github.com/canonical/lxd/pull/18303 | patch |
| https://github.com/canonical/lxd/pull/18304 | patch |
Impacted products
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CVE-2026-9639 (GCVE-0-2026-9639)
Vulnerability from cvelistv5 – Published: 2026-06-26 15:39 – Updated: 2026-06-26 16:02
VLAI
Title
Authenticated Denial of Service via Malicious Backup Tarball in LXD
Summary
Nil-pointer dereference in CreateCustomVolumeFromBackup in LXD up to version 6.8 and 5.21 on Linux allows an authenticated user with can_create_storage_volumes permissions to cause a denial of service via a specially crafted custom-volume backup tarball that omits the expires_at snapshot field.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL pointer dereference
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/canonical/lxd/security/advisor… | vdb-entryvendor-advisory |
| https://github.com/canonical/lxd/pull/18320 | patch |
| https://github.com/canonical/lxd/pull/18390 | patch |
Impacted products
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CVE-2026-12411 (GCVE-0-2026-12411)
Vulnerability from cvelistv5 – Published: 2026-06-26 15:27 – Updated: 2026-06-26 16:02
VLAI
Title
Broken Access Control in Canonical LXD DevLXD API
Summary
Broken Access Control in the devLXDInstancePatchHandler component of Canonical LXD allows an untrusted guest to mount, read, and overwrite another guest's custom storage volume via a crafted device PATCH request over /dev/lxd when security.devlxd.management.volumes is enabled.
Severity
8.4 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/canonical/lxd/security/advisor… | vdb-entryvendor-advisory |
| https://github.com/canonical/lxd/pull/18585 | patch |
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CVE-2026-12249 (GCVE-0-2026-12249)
Vulnerability from cvelistv5 – Published: 2026-06-22 15:43 – Updated: 2026-06-22 17:30
VLAI
Title
Canonical ADSys Trust Store Poisoning via Plaintext HTTP Certificate Auto-Enrollment
Summary
An issue was discovered in Canonical ADSys upstream versions through v0.16.2. During Active Directory Certificate Services (AD CS) certificate auto-enrollment via the vendored Samba client script (internal/policies/certificate/python/vendor_samba/gp/gp_cert_auto_enroll_ext.py), ADSys utilizes a plaintext HTTP connection (http://) instead of a secure HTTPS connection (https://) to request the CA certificate from the Active Directory Certificate Services server (GetCACert). An unauthenticated network attacker positioned between the managed Ubuntu host and the configured AD CS CA hostname can conduct a Man-in-the-Middle (MITM) attack. By intercepting the plaintext HTTP request, the attacker can supply an arbitrary, attacker-controlled Root CA certificate. Because the system automatically accepts this certificate and registers it into the local system trust store via update-ca-certificates, this results in system-wide trust store poisoning. Consequently, TLS clients utilizing the operating system trust store on the affected machine will accept rogue certificates for arbitrary domains, enabling persistent decryption and interception of subsequent TLS connections. This issue is resolved in version v0.16.3.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-348 - Improper verification of cryptographic signature
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://ubuntu.com/security/CVE-2026-12249 | vdb-entryissue-tracking |
| https://github.com/ubuntu/adsys/commit/8b1939f96d… | patch |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Affected:
0.13.0 , < 0.16.3
(semver)
|
|||
| Canonical | Ubuntu 20.04 LTS |
Unaffected:
0.9.2~20.04.2ubuntu0.1+esm2
(dpkg)
|
|
| Canonical | Ubuntu 22.04 LTS |
Unaffected:
0.16.3~22.04.2ubuntu0.22.04.1
(dpkg)
|
|
| Canonical | Ubuntu 24.04 LTS |
Unaffected:
0.16.3~24.04.2ubuntu0.24.04.1
(dpkg)
|
|
| Canonical | Ubuntu 25.10 |
Unaffected:
0.16.3
(dpkg)
|
|
| Canonical | Ubuntu 26.04 LTS |
Unaffected:
0.16.4ubuntu1
(dpkg)
|
Date Public
2026-06-19 11:58
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CVE-2026-6653 (GCVE-0-2026-6653)
Vulnerability from cvelistv5 – Published: 2026-06-22 12:40 – Updated: 2026-06-22 15:51
VLAI
Title
libxml2: Use after free in xmlParseInternalSubset via improper entity resolution handling
Summary
Use After Free in libxml2's xmlParseInternalSubset from GNOME libxml2 version 2.9.11 to 2.11.0 allows a remote attacker to cause a denial-of-service via maliciously crafted XML input with improper entity resolution handling.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://bugs.launchpad.net/ubuntu/+source/libxml2… | issue-tracking |
| https://gitlab.gnome.org/GNOME/libxml2/-/work_ite… | issue-tracking |
Impacted products
Credits
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CVE-2026-10720 (GCVE-0-2026-10720)
Vulnerability from cvelistv5 – Published: 2026-06-19 04:57 – Updated: 2026-06-22 15:02
VLAI
Title
MicroCeph path traversal issue in the remote-import API
Summary
Canonical MicroCeph versions from the squid and tentacle track are vulnerable to a path traversal issue in the remote-import API. Holders of a trusted cluster mTLS certificate (such as enrolled cluster members) or join token can manipulate files in an imported remote cluster within the /var/snap/microceph confinement. This would allow daemon disruption and pollution of the cluster state.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-23 - Relative path traversal
Assigner
References
1 reference
Impacted products
Date Public
2026-06-09 07:21
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CVE-2026-47337 (GCVE-0-2026-47337)
Vulnerability from cvelistv5 – Published: 2026-05-28 18:29 – Updated: 2026-05-28 19:23
VLAI
Title
NULL pointer dereference in Ubuntu Linux AppArmor IPv4/IPv6 socket mediation
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AF_INET/AF_INET6 socket mediation. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL pointer dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Ubuntu Linux |
Affected:
6.8.0 , < 6.8.0-124.124
(dpkg)
Affected: 6.17.0 , < 6.17.0-35.35 (dpkg) Affected: 7.0.0 , < 7.0.0-22.22 (dpkg) |
Credits
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CVE-2026-47336 (GCVE-0-2026-47336)
Vulnerability from cvelistv5 – Published: 2026-05-28 18:29 – Updated: 2026-05-28 19:23
VLAI
Title
Use of uninitialized value in Ubuntu Linux AppArmor IPv4/IPv6 socket mediation rules
Summary
Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/AF_INET6 socket mediation code. The bug can be triggered by an unprivileged local user and could result in incorrect fine-grained mediation of network sockets.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-457 - Use of uninitialized variable
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Ubuntu Linux |
Affected:
6.8.0 , < 6.8.0-124.124
(dpkg)
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CVE-2026-47335 (GCVE-0-2026-47335)
Vulnerability from cvelistv5 – Published: 2026-05-28 18:28 – Updated: 2026-05-28 19:23
VLAI
Title
NULL pointer dereference in Ubuntu Linux AppArmor notification handling
Summary
Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel panic.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL pointer dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Ubuntu Linux |
Affected:
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(dpkg)
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CVE-2026-47334 (GCVE-0-2026-47334)
Vulnerability from cvelistv5 – Published: 2026-05-28 18:28 – Updated: 2026-05-28 19:23
VLAI
Title
Deadlock or kernel panic in Ubuntu Linux AppArmor notification handling
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock in notification handling code. The bug can be triggered by an unprivileged local user and can result in kernel panic or deadlock.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-833 - Deadlock
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Ubuntu Linux |
Affected:
6.8.0 , < 6.8.0-124.124
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Affected: 6.17.0 , < 6.17.0-35.35 (dpkg) Affected: 7.0.0 , < 7.0.0-22.22 (dpkg) |
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CVE-2026-47333 (GCVE-0-2026-47333)
Vulnerability from cvelistv5 – Published: 2026-05-28 18:28 – Updated: 2026-05-29 03:55
VLAI
Title
Out-of-bounds read in Ubuntu Linux AppArmor notification handling
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the size of an internal buffer, leading to a heap memory out-of-bounds read in notification handling code. The bug can be triggered by an unprivileged local user and can result in invalid data being processed by the AppArmor DFA policy engine.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-125 - Out-of-bounds read
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Ubuntu Linux |
Affected:
6.8.0 , < 6.8.0-124.124
(dpkg)
Affected: 6.17.0 , < 6.17.0-35.35 (dpkg) Affected: 7.0.0 , < 7.0.0-22.22 (dpkg) |
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CVE-2026-47332 (GCVE-0-2026-47332)
Vulnerability from cvelistv5 – Published: 2026-05-28 18:28 – Updated: 2026-05-28 19:24
VLAI
Title
Out-of-bounds read in Ubuntu Linux AppArmor notification handling
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an internal structure, leading to an out-of-bounds read in notification handling code. The bug can be triggered by an unprivileged local user and can result in information disclosure from adjacent slab objects.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-125 - Out-of-bounds read
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Ubuntu Linux |
Affected:
6.8.0 , < 6.8.0-124.124
(dpkg)
Affected: 6.17.0 , < 6.17.0-35.35 (dpkg) Affected: 7.0.0 , < 7.0.0-22.22 (dpkg) |
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CVE-2026-47331 (GCVE-0-2026-47331)
Vulnerability from cvelistv5 – Published: 2026-05-28 18:28 – Updated: 2026-05-29 03:55
VLAI
Title
Use-after-free in Ubuntu Linux AppArmor notification handling
Summary
Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An unprivileged local user could trigger the race condition that can lead to a use-after-free (UAF) and, theoretically, arbitrary code execution.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Ubuntu Linux |
Affected:
6.8.0 , < 6.8.0-124.124
(dpkg)
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CVE-2026-47330 (GCVE-0-2026-47330)
Vulnerability from cvelistv5 – Published: 2026-05-28 18:27 – Updated: 2026-05-28 19:24
VLAI
Title
Use of uninitialized value in Ubuntu Linux AppArmor notification handling
Summary
Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an uninitialized variable in notification handling code. The bug can be triggered by an unprivileged local user and can result in the incorrect caching of AppArmor notification responses.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-457 - Use of uninitialized variable
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Ubuntu Linux |
Affected:
6.8.0 , < 6.8.0-124.124
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Affected: 6.17.0 , < 6.17.0-35.35 (dpkg) Affected: 7.0.0 , < 7.0.0-22.22 (dpkg) |
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CVE-2026-47329 (GCVE-0-2026-47329)
Vulnerability from cvelistv5 – Published: 2026-05-28 18:27 – Updated: 2026-05-28 19:24
VLAI
Title
Incorrect validation of field size in Ubuntu Linux AppArmor notification responses
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches which fail to validate invalid sizes of the name field in AppAmor notification responses. The bug can be triggered by an unprivileged local user and could result in handling of crafted responses.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1284 - Improper validation of specified quantity in input
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Ubuntu Linux |
Affected:
6.8.0 , < 6.8.0-124.124
(dpkg)
Affected: 6.17.0 , < 6.17.0-35.35 (dpkg) Affected: 7.0.0 , < 7.0.0-22.22 (dpkg) |
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CVE-2026-47328 (GCVE-0-2026-47328)
Vulnerability from cvelistv5 – Published: 2026-05-28 18:27 – Updated: 2026-05-28 19:25
VLAI
Title
Invalid pointer deallocation in Ubuntu Linux AppArmor notification handling
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly attempt to free a pointer which was not previously kmalloc()d, while at the same time leaking allocated memory. The bug can be triggered by an unprivileged local user and can result in the corruption of slab metadata and could lead to resource exhaustion.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-590 - Free of memory not on the heap
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Ubuntu Linux |
Affected:
6.8.0 , < 6.8.0-124.124
(dpkg)
Affected: 6.17.0 , < 6.17.0-35.35 (dpkg) Affected: 7.0.0 , < 7.0.0-22.22 (dpkg) |
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CVE-2026-47327 (GCVE-0-2026-47327)
Vulnerability from cvelistv5 – Published: 2026-05-28 18:27 – Updated: 2026-05-28 19:25
VLAI
Title
NULL pointer dereference in Ubuntu Linux AppArmor notification handling
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL pointer dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Ubuntu Linux |
Affected:
6.8.0 , < 6.8.0-124.124
(dpkg)
Affected: 6.17.0 , < 6.17.0-35.35 (dpkg) Affected: 7.0.0 , < 7.0.0-22.22 (dpkg) |
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CVE-2026-47326 (GCVE-0-2026-47326)
Vulnerability from cvelistv5 – Published: 2026-05-28 18:26 – Updated: 2026-05-28 19:25
VLAI
Title
Memory leak in Ubuntu Linux AppArmor large notification response allocation
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a memory leak in the handling of big responses to AppArmor notifications. The bug can be triggered by an unprivileged local user. The memory leak could lead to resource exhaustion.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-401 - Missing release of memory after effective lifetime
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Ubuntu Linux |
Affected:
6.8.0 , < 6.8.0-124.124
(dpkg)
Affected: 6.17.0 , < 6.17.0-35.35 (dpkg) Affected: 7.0.0 , < 7.0.0-22.22 (dpkg) |
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CVE-2026-49237 (GCVE-0-2026-49237)
Vulnerability from cvelistv5 – Published: 2026-05-28 13:22 – Updated: 2026-05-28 15:15
VLAI
Title
Local Privilege Escalation in Canonical Multipass
Summary
An issue was discovered in Canonical Multipass for macOS before version 1.16.3 due to an incomplete fix for CVE-2025-5199. While the patch in version 1.16.0 updated the ownership of the multipassd daemon binary to root:wheel, five co-located binaries (multipass, qemu-img, qemu-system-aarch64, qemu-system-x86_64, and sshfs_server) in /Library/Application Support/com.canonical.multipass/bin/ retain ownership by the installing user and remain writable. Because the root LaunchDaemon (com.canonical.multipassd.plist) configures a PATH environment variable that prioritizes this user-writable directory and invokes these auxiliary binaries by their bare names, a local attacker can replace an auxiliary binary (such as qemu-img) with a malicious wrapper. When the root daemon subsequently triggers the binary during routine execution (e.g., via multipass launch), the malicious code executes with root privileges, leading to local privilege escalation.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-276 - Incorrect default permissions
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/canonical/multipass/security/a… | vendor-advisory |
Impacted products
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CVE-2026-49238 (GCVE-0-2026-49238)
Vulnerability from cvelistv5 – Published: 2026-05-28 13:22 – Updated: 2026-05-28 14:24
VLAI
Title
SFTP Server VM Escape in Canonical Multipass
Summary
An issue was discovered in Canonical Multipass before version 1.16.3. The host-side SFTP server component (sshfs_server), which executes with root privileges on the host, contains a path containment bypass vulnerability within its validate_path function in src/sshfs_mount/sftp_server.cpp. The function performs a plain string prefix comparison on requested paths without path separator validation or dot-dot (..) normalization. A local attacker with root privileges inside a guest virtual machine can bypass the FUSE layer by injecting raw SFTP frames (such as an SSH_FXP_OPEN request) directly into the sshfs_server process stdin/stdout pipes via procfs. By supplying a path containing directory traversal sequences that match the allowed mount prefix, the attacker can force the host-side root process to resolve the traversal and open files outside the designated mount boundary. This allows a guest-side user to read arbitrary files on the host filesystem, resulting in a virtual machine escape.
Severity
8.4 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/canonical/multipass/security/a… | vendor-advisory |
Impacted products
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CVE-2026-6970 (GCVE-0-2026-6970)
Vulnerability from cvelistv5 – Published: 2026-04-27 15:28 – Updated: 2026-04-27 16:17
VLAI
Title
authd Denial of Service and Local Privilege Escalation
Summary
authd prior to version 0.6.4 contains a logic error in primary group ID assignment that can lead to local privilege escalation. When a user's primary group ID (GID) differs from their UID, either because the account was created with authd prior to version 0.5.4 or because the primary group was manually changed via the `authctl group set-gid` command, and the user's identity provider record is updated, authd incorrectly resets the user's primary group ID to their UID upon next login. This causes newly created files and directories to be owned by the wrong group, causing denial of service issues, and potentially granting unintended access to other local users and allowing local privilege escalation.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-842 - Placement of user into incorrect group
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/canonical/authd/security/advis… | vendor-advisory |
| https://github.com/canonical/authd/commit/154b428… | patch |
Impacted products
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CVE-2026-35381 (GCVE-0-2026-35381)
Vulnerability from cvelistv5 – Published: 2026-04-22 16:09 – Updated: 2026-04-22 16:53
VLAI
Title
uutils coreutils cut Local Logic Error and Data Integrity Issue in Output Filtering
Summary
A logic error in the cut utility of uutils coreutils causes the utility to ignore the -s (only-delimited) flag when using the -z (null-terminated) and -d '' (empty delimiter) options together. The implementation incorrectly routes this specific combination through a specialized newline-delimiter code path that fails to check the record suppression status. Consequently, uutils cut emits the entire record plus a NUL byte instead of suppressing it. This divergence from GNU coreutils behavior creates a data integrity risk for automated pipelines that rely on cut -s to filter out undelimited data.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-684 - Incorrect Provision of Specified Functionality
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/uutils/coreutils/pull/11394 | issue-trackingpatch |
| https://github.com/uutils/coreutils/releases/tag/0.8.0 | vendor-advisory |
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CVE-2026-35380 (GCVE-0-2026-35380)
Vulnerability from cvelistv5 – Published: 2026-04-22 16:09 – Updated: 2026-04-22 16:57
VLAI
Title
uutils coreutils cut Local Logic Error and Data Integrity Issue in Delimiter Parsing
Summary
A logic error in the cut utility of uutils coreutils causes the program to incorrectly interpret the literal two-byte string '' (two single quotes) as an empty delimiter. The implementation mistakenly maps this string to the NUL character for both the -d (delimiter) and --output-delimiter options. This vulnerability can lead to silent data corruption or logic errors in automated scripts and data pipelines that process strings containing these characters, as the utility may unintentionally split or join data on NUL bytes rather than the intended literal characters.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
2 references
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|---|---|
| https://github.com/uutils/coreutils/pull/11399 | issue-trackingpatch |
| https://github.com/uutils/coreutils/releases/tag/0.8.0 | vendor-advisory |
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CVE-2026-35379 (GCVE-0-2026-35379)
Vulnerability from cvelistv5 – Published: 2026-04-22 16:09 – Updated: 2026-04-22 16:59
VLAI
Title
uutils coreutils tr Local Logic Error and Data Integrity Issue in Character Class Handling
Summary
A logic error in the tr utility of uutils coreutils causes the program to incorrectly define the [:graph:] and [:print:] character classes. The implementation mistakenly includes the ASCII space character (0x20) in the [:graph:] class and excludes it from the [:print:] class, effectively reversing the standard behavior established by POSIX and GNU coreutils. This vulnerability leads to unintended data modification or loss when the utility is used in automated scripts or data-cleaning pipelines that rely on standard character class semantics. For example, a command executed to delete all graphical characters while intending to preserve whitespace will incorrectly delete all ASCII spaces, potentially resulting in data corruption or logic failures in downstream processing.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-684 - Incorrect Provision of Specified Functionality
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/uutils/coreutils/pull/11405 | issue-trackingpatch |
| https://github.com/uutils/coreutils/releases/tag/0.8.0 | vendor-advisory |
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CVE-2026-35378 (GCVE-0-2026-35378)
Vulnerability from cvelistv5 – Published: 2026-04-22 16:09 – Updated: 2026-04-22 17:00
VLAI
Title
uutils coreutils expr Local Denial of Service via Eager Evaluation of Parenthesized Subexpressions
Summary
A logic error in the expr utility of uutils coreutils causes the program to evaluate parenthesized subexpressions during the parsing phase rather than at the execution phase. This implementation flaw prevents the utility from performing proper short-circuiting for logical OR (|) and AND (&) operations. As a result, arithmetic errors (such as division by zero) occurring within "dead" branches, branches that should be ignored due to short-circuiting, are raised as fatal errors. This divergence from GNU expr behavior can cause guarded expressions within shell scripts to fail with hard errors instead of returning expected boolean results, leading to premature script termination and breaking GNU-compatible shell control flow.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-768 - Incorrect Short Circuit Evaluation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/uutils/coreutils/pull/11395 | issue-trackingpatch |
| https://github.com/uutils/coreutils/releases/tag/0.8.0 | vendor-advisory |
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CVE-2026-35377 (GCVE-0-2026-35377)
Vulnerability from cvelistv5 – Published: 2026-04-22 16:09 – Updated: 2026-04-22 17:01
VLAI
Title
uutils coreutils env Local Denial of Service via Improper Handling of Backslashes in Split-String Mode
Summary
A logic error in the env utility of uutils coreutils causes a failure to correctly parse command-line arguments when utilizing the -S (split-string) option. In GNU env, backslashes within single quotes are treated literally (with the exceptions of \\ and \'). However, the uutils implementation incorrectly attempts to validate these sequences, resulting in an "invalid sequence" error and an immediate process termination with an exit status of 125 when encountering valid but unrecognized sequences like \a or \x. This divergence from GNU behavior breaks compatibility for automated scripts and administrative workflows that rely on standard split-string semantics, leading to a local denial of service for those operations.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/uutils/coreutils/pull/11512 | issue-trackingpatch |
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CVE-2026-35376 (GCVE-0-2026-35376)
Vulnerability from cvelistv5 – Published: 2026-04-22 16:09 – Updated: 2026-04-22 17:14
VLAI
Title
uutils coreutils chcon Security Bypass and Mandatory Access Control (MAC) Inconsistency via TOCTOU Race Condition
Summary
A Time-of-Check to Time-of-Use (TOCTOU) vulnerability exists in the chcon utility of uutils coreutils during recursive operations. The implementation resolves recursive targets using a fresh path lookup (via fts_accpath) rather than binding the traversal and label application to the specific directory state encountered during traversal. Because these operations are not anchored to file descriptors, a local attacker with write access to a directory tree can exploit timing-sensitive rename or symbolic link races to redirect a privileged recursive relabeling operation to unintended files or directories. This vulnerability breaks the hardening expectations for SELinux administration workflows and can lead to the unauthorized modification of security labels on sensitive system objects.
Severity
4.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-Check Time-of-Use (TOCTOU) Race Condition
Assigner
References
2 references
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|---|---|
| https://github.com/uutils/coreutils/pull/11402 | patchissue-tracking |
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CVE-2026-35375 (GCVE-0-2026-35375)
Vulnerability from cvelistv5 – Published: 2026-04-22 16:09 – Updated: 2026-04-22 17:17
VLAI
Title
uutils coreutils split Local Data Integrity Issue via Lossy Filename Encoding
Summary
A logic error in the split utility of uutils coreutils causes the corruption of output filenames when provided with non-UTF-8 prefix or suffix inputs. The implementation utilizes to_string_lossy() when constructing chunk filenames, which automatically rewrites invalid byte sequences into the UTF-8 replacement character (U+FFFD). This behavior diverges from GNU split, which preserves raw pathname bytes intact. In environments utilizing non-UTF-8 encodings, this vulnerability leads to the creation of files with incorrect names, potentially causing filename collisions, broken automation, or the misdirection of output data.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-176 - Improper Handling of Unicode Encoding
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/uutils/coreutils/pull/11397 | issue-trackingpatch |
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CVE-2026-35374 (GCVE-0-2026-35374)
Vulnerability from cvelistv5 – Published: 2026-04-22 16:09 – Updated: 2026-04-22 17:19
VLAI
Title
uutils coreutils split Arbitrary File Truncation via Time-of-Check to Time-of-Use (TOCTOU) Race Condition
Summary
A Time-of-Check to Time-of-Use (TOCTOU) vulnerability exists in the split utility of uutils coreutils. The program attempts to prevent data loss by checking for identity between input and output files using their file paths before initiating the split operation. However, the utility subsequently opens the output file with truncation after this path-based validation is complete. A local attacker with write access to the directory can exploit this race window by manipulating mutable path components (e.g., swapping a path with a symbolic link). This can cause split to truncate and write to an unintended target file, potentially including the input file itself or other sensitive files accessible to the process, leading to permanent data loss.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-Check Time-of-Use (TOCTOU) Race Condition
Assigner
References
1 reference
| URL | Tags |
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| https://github.com/uutils/coreutils/pull/11401 | issue-trackingpatch |
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