Common Weakness Enumeration
CWE-290
AllowedAuthentication Bypass by Spoofing
Abstraction: Base · Status: Incomplete
This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
1196 vulnerabilities reference this CWE, most recent first.
CVE-2026-107589 (GCVE-0-2026-107589)
Vulnerability from cvelistv5 – Published: 2026-10-08 15:11 – Updated: 2026-10-08 19:14
VLAI
EPSS
VEX
Title
Authentication Bypass by Spoofing in Jacamar CI
Summary
Insufficient job validation for service accounts in Jacamar CI prior to v0.30.0 allows authenticated CI users to generate arbitrary account names.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 19:14 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Jacamar CI | Jacamar CI |
Affected:
0 , < 0.30.0
(semver)
|
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CVE-2026-107336 (GCVE-0-2026-107336)
Vulnerability from cvelistv5 – Published: 2026-10-08 17:20 – Updated: 2026-10-08 19:07
VLAI
EPSS
VEX
Title
Authentication Bypass by Spoofing in Malcolm
Summary
Malcolm's front nginx reverse proxy defines a "Dashboards → Arkime shortcut" location using a case-insensitive regex matcher but a case-sensitive rewrite. A request whose path segment is not exact-lowercase (for example /IDDASH2ARK/...) enters the location (the matcher fires) but evades the rewrite (no redirect is issued), so nginx falls through to the location's proxy_pass to the Arkime backend. That location is the one proxied location in the shipped config that does not include the per-location authentication file, so the request reaches Arkime unauthenticated. The same location also forwards a client-supplied X-Forwarded-User header un-overwritten, and Arkime is configured to trust X-Forwarded-User as the authenticated username — so an unauthenticated network caller can reach the Arkime backend while supplying a forged, auto-provisioned identity.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 19:07 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/cisagov/Malcolm/security/advis… | government-resource |
| https://github.com/cisagov/CSAF/blob/develop/csaf… |
Impacted products
Date Public
2026-10-07 19:02
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CVE-2026-105863 (GCVE-0-2026-105863)
Vulnerability from cvelistv5 – Published: 2026-10-06 16:39 – Updated: 2026-10-09 01:15
VLAI
EPSS
VEX
Title
Payload authentication token field handling issue
Summary
Payload is a free and open source headless content management system. In versions after 3.0.0 and before 3.90.0, a custom field option that maps a field to a reserved authentication claim name can place unintended values in the authentication token issued at login. This issue is fixed in version 3.90.0.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 01:15 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/payloadcms/payload/security/ad… | x_refsource_CONFIRM |
| https://github.com/payloadcms/payload/commit/56cd… | x_refsource_MISC |
| https://github.com/payloadcms/payload/releases/ta… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| payloadcms | payload |
Affected:
>= 3.0.0, < 3.90.0
Affected: >= 4.0.0-canary.0, < 4.0.0-canary.34 |
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CVE-2026-105741 (GCVE-0-2026-105741)
Vulnerability from cvelistv5 – Published: 2026-10-05 20:56 – Updated: 2026-10-06 16:43
VLAI
EPSS
VEX
Title
Langflow: IP Spoofing Bypass via `X-Forwarded-For` Allowing Remote Configuration Write
Summary
Langflow is a tool for building and deploying AI-powered agents and workflows. From 1.5.0 until 1.10.3, an IP spoofing vulnerability in the Model Context Protocol (MCP) configuration installation endpoint (POST /api/v1/mcp/project/{project_id}/install) allowed authenticated remote attackers to bypass the "local-only" access restriction. By sending a spoofed X-Forwarded-For: 127.0.0.1 header, an attacker could make the server treat the request as originating from localhost, letting them write/overwrite an MCP client configuration file on the server's filesystem. This vulnerability is fixed in 1.10.3.
Severity
7.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 16:42 UTC
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/langflow-ai/langflow/security/… | x_refsource_CONFIRM |
| https://github.com/langflow-ai/langflow/pull/13915 | x_refsource_MISC |
| https://github.com/langflow-ai/langflow/commit/1f… | x_refsource_MISC |
| https://github.com/langflow-ai/langflow/commit/94… | x_refsource_MISC |
| https://github.com/langflow-ai/langflow/releases/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| langflow-ai | langflow |
Affected:
>= 1.5.0, < 1.10.3
|
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CVE-2026-105640 (GCVE-0-2026-105640)
Vulnerability from cvelistv5 – Published: 2026-10-05 18:11 – Updated: 2026-10-05 18:33
VLAI
EPSS
VEX
Title
Plane: Account Takeover via Unverified OAuth Email Match (Gitea, self-managed GitLab)
Summary
Plane is an open-source project management tool. Prior to 1.4.0, Plane trusts email addresses returned by Gitea OAuth and by self-managed GitLab OAuth deployments where email confirmation is disabled, without verifying that the provider authenticated ownership of the address. An attacker can set an OAuth identity's unverified provider email to a victim's address, which Plane matches directly to the victim's existing local account. The attacker can then log in to the victim's Plane account without knowing the victim's password. GitHub, GitLab.com, and Google are not affected because those providers return verified email addresses. This issue is fixed in 1.4.0.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 18:32 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/makeplane/plane/security/advis… | x_refsource_CONFIRM |
| https://github.com/makeplane/plane/pull/9289 | x_refsource_MISC |
| https://github.com/makeplane/plane/commit/b91b61c… | x_refsource_MISC |
| https://github.com/makeplane/plane/releases/tag/v1.4.0 | x_refsource_MISC |
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CVE-2026-105215 (GCVE-0-2026-105215)
Vulnerability from cvelistv5 – Published: 2026-10-04 13:10 – Updated: 2026-10-05 13:28
VLAI
EPSS
VEX
Title
ZITADEL before 4.16.2 Account Pre-Hijacking via Forged External IdP Callback
Summary
ZITADEL before 3.4.14 and 4.x before 4.16.2 contains an authentication bypass in the hosted Login V1 UI because the 'external account not found' registration endpoint trusts client-supplied external identity fields without a completed IdP callback. Unauthenticated attackers can submit forged IDPConfigID and ExternalUserID values to pre-create an account bound to a victim's external IdP identity, which the victim's later genuine external login then signs into.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 13:28 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/zitadel/zitadel/security/advis… | vendor-advisory |
| https://www.vulncheck.com/advisories/zitadel-befo… | third-party-advisory |
Impacted products
Date Public
2026-07-29 00:00
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CVE-2026-105057 (GCVE-0-2026-105057)
Vulnerability from cvelistv5 – Published: 2026-10-06 08:35 – Updated: 2026-10-06 10:31
VLAI
EPSS
VEX
Title
WordPress Zero Spam plugin <= 5.7.11 - Bypass vulnerability vulnerability
Summary
Unauthenticated Bypass Vulnerability in Zero Spam <= 5.7.11 versions.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 10:09 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Ben Marshall | Zero Spam |
Affected:
n/a , ≤ 5.7.11
(custom)
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CVE-2026-104988 (GCVE-0-2026-104988)
Vulnerability from cvelistv5 – Published: 2026-10-02 19:34 – Updated: 2026-10-05 17:44
VLAI
EPSS
VEX
Title
Pki-core: dogtag-pki: redhat-pki: pki: est fullcmc authentication bypass allows certificate mis-issuance with arbitrary subject
Summary
A flaw was found in Dogtag PKI (pki-core). The CMCAuthForEST authentication plugin fails open when an EST fullcmc enrollment request is submitted via BasicAuth without an end-user TLS client certificate. The SSL_CLIENT_CERT session attribute retains the EST subsystem's agent certificate, which causes downstream authorization checks to treat the request as agent-privileged. An authenticated EST user can exploit this to obtain CA-signed certificates with arbitrary subject names.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 17:44 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-104988 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2545316 | issue-trackingx_refsource_REDHAT |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Certificate System 10 |
cpe:/a:redhat:certificate_system:10
|
|
| Red Hat | Red Hat Certificate System 11 |
cpe:/a:redhat:certificate_system:11
|
|
| Red Hat | Red Hat Certificate System 9 |
cpe:/a:redhat:certificate_system:9
|
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
|
Date Public
2026-10-02 19:04
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CVE-2026-104891 (GCVE-0-2026-104891)
Vulnerability from cvelistv5 – Published: 2026-10-05 15:55 – Updated: 2026-10-05 19:53
VLAI
EPSS
VEX
Title
mppx-condition-gate: Free-access path grants on a self-declared wallet without proving control
Summary
mppx-condition-gate provides conditional free-access wrappers for mppx payment methods. Prior to @insumermodel/mppx-condition-gate 3.0.0 and @insumermodel/mppx-token-gate 1.0.4, the packages read a wallet address from the client-supplied credential.source, checked whether that public address met configured on-chain conditions, and returned a successful free-access receipt without invoking the wrapped payment verifier or proving that the caller controlled the wallet. An unauthenticated attacker could name any qualifying wallet and obtain content that should require payment, and cached grants could be reused for the configured cache lifetime. The corrected packages prevent free-access authorization unless payer control has been established. These issues are fixed in @insumermodel/mppx-condition-gate 3.0.0 and @insumermodel/mppx-token-gate 1.0.4.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 19:53 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/insumerapi/mppx-condition-gate… | x_refsource_CONFIRM |
| https://github.com/insumerapi/mppx-condition-gate… | x_refsource_MISC |
| https://github.com/insumerapi/mppx-condition-gate… | x_refsource_MISC |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| douglasborthwick-crypto | mppx-condition-gate |
Affected:
< b1d9935a57ba6d32da49eead1bfb459ad0cd55ab
|
|
| @insumermodel | mppx-condition-gate |
Affected:
< 3.0.0
|
|
| @insumermodel | mppx-token-gate |
Affected:
< 1.0.4
|
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CVE-2026-104445 (GCVE-0-2026-104445)
Vulnerability from cvelistv5 – Published: 2026-10-02 11:38 – Updated: 2026-10-06 16:12
VLAI
EPSS
VEX
Title
YesWiki before 4.6.7 Authentication Bypass via ActivityPub Inbox Actor Spoofing
Summary
YesWiki before 4.6.7 contains an authentication bypass vulnerability in the ActivityPub inbox that fails to bind the verified HTTP signature signer to the activity actor. Unauthenticated attackers with any ActivityPub keypair can send signed Delete or Update activities referencing a mirrored entry's sourceUrl to delete or overwrite other actors' federated entries.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 16:12 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/YesWiki/yeswiki/security/advis… | vendor-advisory |
| https://www.vulncheck.com/advisories/yeswiki-befo… | third-party-advisory |
Impacted products
Date Public
2026-09-01 00:00
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No mitigation information available for this CWE.
CAPEC-21: Exploitation of Trusted Identifiers
An adversary guesses, obtains, or "rides" a trusted identifier (e.g. session ID, resource ID, cookie, etc.) to perform authorized actions under the guise of an authenticated user or service.
CAPEC-22: Exploiting Trust in Client
An attack of this type exploits vulnerabilities in client/server communication channel authentication and data integrity. It leverages the implicit trust a server places in the client, or more importantly, that which the server believes is the client. An attacker executes this type of attack by communicating directly with the server where the server believes it is communicating only with a valid client. There are numerous variations of this type of attack.
CAPEC-459: Creating a Rogue Certification Authority Certificate
An adversary exploits a weakness resulting from using a hashing algorithm with weak collision resistance to generate certificate signing requests (CSR) that contain collision blocks in their "to be signed" parts. The adversary submits one CSR to be signed by a trusted certificate authority then uses the signed blob to make a second certificate appear signed by said certificate authority. Due to the hash collision, both certificates, though different, hash to the same value and so the signed blob works just as well in the second certificate. The net effect is that the adversary's second X.509 certificate, which the Certification Authority has never seen, is now signed and validated by that Certification Authority.
CAPEC-461: Web Services API Signature Forgery Leveraging Hash Function Extension Weakness
An adversary utilizes a hash function extension/padding weakness, to modify the parameters passed to the web service requesting authentication by generating their own call in order to generate a legitimate signature hash (as described in the notes), without knowledge of the secret token sometimes provided by the web service.
CAPEC-473: Signature Spoof
An attacker generates a message or datablock that causes the recipient to believe that the message or datablock was generated and cryptographically signed by an authoritative or reputable source, misleading a victim or victim operating system into performing malicious actions.
CAPEC-476: Signature Spoofing by Misrepresentation
An attacker exploits a weakness in the parsing or display code of the recipient software to generate a data blob containing a supposedly valid signature, but the signer's identity is falsely represented, which can lead to the attacker manipulating the recipient software or its victim user to perform compromising actions.
CAPEC-59: Session Credential Falsification through Prediction
This attack targets predictable session ID in order to gain privileges. The attacker can predict the session ID used during a transaction to perform spoofing and session hijacking.
CAPEC-60: Reusing Session IDs (aka Session Replay)
This attack targets the reuse of valid session ID to spoof the target system in order to gain privileges. The attacker tries to reuse a stolen session ID used previously during a transaction to perform spoofing and session hijacking. Another name for this type of attack is Session Replay.
CAPEC-667: Bluetooth Impersonation AttackS (BIAS)
An adversary disguises the MAC address of their Bluetooth enabled device to one for which there exists an active and trusted connection and authenticates successfully. The adversary can then perform malicious actions on the target Bluetooth device depending on the target’s capabilities.
CAPEC-94: Adversary in the Middle (AiTM)
An adversary targets the communication between two components (typically client and server), in order to alter or obtain data from transactions. A general approach entails the adversary placing themself within the communication channel between the two components.