Common Weakness Enumeration

CWE-862

Allowed-with-Review

Missing Authorization

Abstraction: Class · Status: Incomplete

API response cwe.mitre.org

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

16158 vulnerabilities reference this CWE, most recent first.

CVE-2026-33427 (GCVE-0-2026-33427)

Vulnerability from cvelistv5 – Published: 2026-03-20 23:20 – Updated: 2026-03-23 21:41

Title

Discourse Authorization Page Displays Unvalidated Redirect Domain

Summary

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, an unauthenticated attacker can cause a legitimate Discourse authorization page to display an attacker-controlled domain, facilitating social engineering attacks against users. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

Severity

2.7 (Low)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-23 21:31 UTC

CWE

CWE-862 - Missing Authorization

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/discourse/discourse/security/a…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
discourse	discourse	Affected: >= 2026.1.0-latest, < 2026.1.2 Affected: >= 2026.2.0-latest, < 2026.2.1 Affected: = 2026.3.0-latest

Show details on NVD website

JSON

To clipboard

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CVE-2026-33426 (GCVE-0-2026-33426)

Vulnerability from cvelistv5 – Published: 2026-03-20 23:14 – Updated: 2026-03-24 15:30

Title

Discourse users can edit or synonymize hidden tags they can't see

Summary

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, users with tag-editing permissions could edit and create synonyms for tags hidden in restricted tag groups, even if they lacked visibility into those tags. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

Severity

3.5 (Low)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-24 15:30 UTC

CWE

CWE-862 - Missing Authorization

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/discourse/discourse/security/a…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
discourse	discourse	Affected: >= 2026.1.0-latest, < 2026.1.2 Affected: >= 2026.2.0-latest, < 2026.2.1 Affected: = 2026.3.0-latest

Show details on NVD website

JSON

To clipboard

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CVE-2026-33425 (GCVE-0-2026-33425)

Vulnerability from cvelistv5 – Published: 2026-03-20 23:12 – Updated: 2026-03-23 16:48

Title

Discourse has inferable private group membership or existence via exclude_groups parameter

Summary

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, unauthenticated users can determine whether a specific user is a member of a private group by observing changes in directory results when using the `exclude_groups` parameter. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. As a workaround, disable public access to the user directory via Admin → Settings → hide user profiles from public.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-23 16:48 UTC

CWE

CWE-203 - Observable Discrepancy
CWE-639 - Authorization Bypass Through User-Controlled Key
CWE-862 - Missing Authorization

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/discourse/discourse/security/a…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
discourse	discourse	Affected: >= 2026.1.0-latest, < 2026.1.2 Affected: >= 2026.2.0-latest, < 2026.2.1 Affected: = 2026.3.0-latest

Show details on NVD website

JSON

To clipboard

{
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    "adp": [
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        "metrics": [
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                "id": "CVE-2026-33425",
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CVE-2026-33423 (GCVE-0-2026-33423)

Vulnerability from cvelistv5 – Published: 2026-03-20 23:06 – Updated: 2026-03-23 21:41

Title

Discourse staff can modify any user's group notification level

Summary

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, staff can modify any user's group notification level. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

Severity

1.3 (Low)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-23 21:30 UTC

CWE

CWE-862 - Missing Authorization

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/discourse/discourse/security/a…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
discourse	discourse	Affected: >= 2026.1.0-latest, < 2026.1.2 Affected: >= 2026.2.0-latest, < 2026.2.1 Affected: = 2026.3.0-latest

Show details on NVD website

JSON

To clipboard

{
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                "id": "CVE-2026-33423",
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CVE-2026-33420 (GCVE-0-2026-33420)

Vulnerability from cvelistv5 – Published: 2026-05-05 19:12 – Updated: 2026-05-06 14:24

Title

Vaultwarden missing authorization check allows Manager-role users to enumerate all collections

Summary

Vaultwarden is a Bitwarden-compatible server written in Rust. In version 1.35.4 and earlier, the get_org_collections_details endpoint (GET /api/organizations/{org_id}/collections/details) is missing the has_full_access() authorization check that exists on the sibling get_org_collections endpoint. This allows any Manager-role user with accessAll=False and no collection assignments to retrieve the names, UUIDs, user-to-collection mappings, and group-to-collection mappings for all collections in the organization. This issue has been fixed in version 1.35.5.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-06 14:23 UTC

CWE

CWE-862 - Missing Authorization

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/dani-garcia/vaultwarden/securi…	x_refsource_CONFIRM
https://github.com/dani-garcia/vaultwarden/releas…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
dani-garcia	vaultwarden	Affected: < 1.35.5

Show details on NVD website

JSON

To clipboard

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CVE-2026-33413 (GCVE-0-2026-33413)

Vulnerability from cvelistv5 – Published: 2026-03-26 13:36 – Updated: 2026-03-26 18:51

Title

etcd: Authorization bypasses in multiple APIs

Summary

etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.42, 3.5.28, and 3.6.9, unauthorized users may bypass authentication or authorization checks and call certain etcd functions in clusters that expose the gRPC API to untrusted or partially trusted clients. In unpatched etcd clusters with etcd auth enabled, unauthorized users are able to call MemberList and learn cluster topology, including member IDs and advertised endpoints; call Alarm, which can be abused for operational disruption or denial of service; use Lease APIs, interfering with TTL-based keys and lease ownership; and/or trigger compaction, permanently removing historical revisions and disrupting watch, audit, and recovery workflows. Kubernetes does not rely on etcd’s built-in authentication and authorization. Instead, the API server handles authentication and authorization itself, so typical Kubernetes deployments are not affected. Versions 3.4.42, 3.5.28, and 3.6.9 contain a patch. If upgrading is not immediately possible, reduce exposure by treating the affected RPCs as unauthenticated in practice. Restrict network access to etcd server ports so only trusted components can connect and/or require strong client identity at the transport layer, such as mTLS with tightly scoped client certificate distribution.

Severity

8.8 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-26 18:51 UTC

CWE

CWE-862 - Missing Authorization

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/etcd-io/etcd/security/advisori…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
etcd-io	etcd	Affected: >= 3.6.0-alpha.0, < 3.6.9 Affected: >= 3.5.0-alpha.0, < 3.5.28 Affected: < 3.4.42

Show details on NVD website

JSON

To clipboard

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CVE-2026-33408 (GCVE-0-2026-33408)

Vulnerability from cvelistv5 – Published: 2026-03-19 22:35 – Updated: 2026-03-20 20:08

Title

Discourse has Improper Authorization in "Post Edits" Report For Moderators

Summary

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, moderators were able to see the first 40 characters of post edits in PMs and private categories. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

Severity

2.2 (Low)


                        
                          CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-20 20:08 UTC

CWE

CWE-862 - Missing Authorization

Assigner

GitHub_M mitre root

References

4 references

URL	Tags
https://github.com/discourse/discourse/security/a…	x_refsource_CONFIRM
https://github.com/discourse/discourse/commit/3bf…	x_refsource_MISC
https://github.com/discourse/discourse/commit/473…	x_refsource_MISC
https://github.com/discourse/discourse/commit/627…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
discourse	discourse	Affected: >= 2026.1.0-latest, < 2026.1.2 Affected: >= 2026.2.0-latest, < 2026.2.1 Affected: = 2026.3.0-latest

Show details on NVD website

JSON

To clipboard

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CVE-2026-33359 (GCVE-0-2026-33359)

Vulnerability from cvelistv5 – Published: 2026-05-11 16:03 – Updated: 2026-05-11 18:18 Exclusively Hosted Service

Title

Meari unauthenticated alert image access in cloud object storage

Summary

In Meari IoT Cloud alert image storage on Alibaba OSS (latest observed; storage service version not disclosed), motion snapshots are retrievable without authentication, signed URLs, or expiry enforcement. URLs function as direct object references and remain valid beyond expected operational windows.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-11 18:17 UTC

CWE

CWE-862 - Missing Authorization

Assigner

runZero icscert root

References

2 references

URL	Tags
https://github.com/xn0tsa/nobody-puts-baby-in-a-corner	technical-description
https://www.runzero.com/advisories/meari-unauthen…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Meari	Alibaba OSS Hosted	Affected: April, 2026 (date)

Date Public

2026-05-11 16:00

Credits

Sammy Azdoufal Tod Beardsley of runZero, Inc.

Show details on NVD website

JSON

To clipboard

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CVE-2026-33357 (GCVE-0-2026-33357)

Vulnerability from cvelistv5 – Published: 2026-05-11 16:02 – Updated: 2026-05-11 18:18

Title

Meari OpenAPI device status IDOR

Summary

In Meari client applications embedding "com.meari.sdk" (including CloudEdge 5.5.0 build 220, Arenti 1.8.1 build 220, and related white-label <= 1.8.x), the integrated call path to openapi-euce.mearicloud.com can be abused to retrieve WAN IP data for arbitrary devices. The root cause is a server-side authorization failure in "GET /openapi/device/status".

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-11 18:18 UTC

CWE

CWE-862 - Missing Authorization

Assigner

runZero icscert root

References

2 references

URL	Tags
https://github.com/xn0tsa/nobody-puts-baby-in-a-corner	technical-description
https://www.runzero.com/advisories/meari-openapi-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Meari	com.meari.sdk	Affected: firmID=8 (custom)

Date Public

2026-05-11 16:00

Credits

Sammy Azdoufal Tod Beardsley of runZero, Inc.

Show details on NVD website

JSON

To clipboard

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CVE-2026-33353 (GCVE-0-2026-33353)

Vulnerability from cvelistv5 – Published: 2026-03-24 19:39 – Updated: 2026-03-25 13:35

Title

Soft Serve: Authenticated repo import can clone server-local private repositories

Summary

Soft Serve is a self-hostable Git server for the command line. From version 0.6.0 to before version 0.11.6, an authorization flaw in repo import allows any authenticated SSH user to clone a server-local Git repository, including another user's private repo, into a new repository they control. This issue has been patched in version 0.11.6.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-25 13:35 UTC

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
CWE-862 - Missing Authorization

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/charmbracelet/soft-serve/secur…	x_refsource_CONFIRM
https://github.com/charmbracelet/soft-serve/commi…	x_refsource_MISC
https://github.com/charmbracelet/soft-serve/relea…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
charmbracelet	soft-serve	Affected: >= 0.6.0, < 0.11.6

Show details on NVD website

JSON

To clipboard

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Mitigation

Architecture and Design

Divide the product into anonymous, normal, privileged, and administrative areas. Reduce the attack surface by carefully mapping roles with data and functionality. Use role-based access control (RBAC) [REF-229] to enforce the roles at the appropriate boundaries.
Note that this approach may not protect against horizontal authorization, i.e., it will not protect a user from attacking others with the same role.

Mitigation

Architecture and Design

Ensure that access control checks are performed related to the business logic. These checks may be different than the access control checks that are applied to more generic resources such as files, connections, processes, memory, and database records. For example, a database may restrict access for medical records to a specific database user, but each record might only be intended to be accessible to the patient and the patient's doctor [REF-7].

Mitigation MIT-4.4

Architecture and Design

Strategy: Libraries or Frameworks

Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
For example, consider using authorization frameworks such as the JAAS Authorization Framework [REF-233] and the OWASP ESAPI Access Control feature [REF-45].

Mitigation

Architecture and Design

For web applications, make sure that the access control mechanism is enforced correctly at the server side on every page. Users should not be able to access any unauthorized functionality or information by simply requesting direct access to that page.
One way to do this is to ensure that all pages containing sensitive information are not cached, and that all such pages restrict access to requests that are accompanied by an active and authenticated session token associated with a user who has the required permissions to access that page.

Mitigation

System Configuration Installation

Use the access control capabilities of your operating system and server environment and define your access control lists accordingly. Use a "default deny" policy when defining these ACLs.

CAPEC-665: Exploitation of Thunderbolt Protection Flaws

An adversary leverages a firmware weakness within the Thunderbolt protocol, on a computing device to manipulate Thunderbolt controller firmware in order to exploit vulnerabilities in the implementation of authorization and verification schemes within Thunderbolt protection mechanisms. Upon gaining physical access to a target device, the adversary conducts high-level firmware manipulation of the victim Thunderbolt controller SPI (Serial Peripheral Interface) flash, through the use of a SPI Programing device and an external Thunderbolt device, typically as the target device is booting up. If successful, this allows the adversary to modify memory, subvert authentication mechanisms, spoof identities and content, and extract data and memory from the target device. Currently 7 major vulnerabilities exist within Thunderbolt protocol with 9 attack vectors as noted in the Execution Flow.

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