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.
1238 vulnerabilities reference this CWE, most recent first.
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-2026-104935 (GCVE-0-2026-104935)
Vulnerability from cvelistv5 – Published: 2026-10-13 15:31 – Updated: 2026-10-13 19:58
VLAI
EPSS
VEX
Summary
Authentication bypass by spoofing in ICS before version 25.1.3.0 allows a remote unauthenticated attacker to execute arbitrary commands. This does not impact ICS version 22.7R2.14 or prior.
Severity
8.6 (High)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 15:42 UTC
CWE
- CWE-290 - Authentication bypass by spoofing
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://hub.ivanti.com/s/article/Security-Advisor… | |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Ivanti | Connect Secure |
Unaffected:
25.1.3.0
(custom)
Unaffected: 25.1.3.1 (custom) Unaffected: 22.8R2.5 (custom) Unaffected: 22.7R2.14 (custom) |
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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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CVE-2026-104108 (GCVE-0-2026-104108)
Vulnerability from cvelistv5 – Published: 2026-10-14 20:39 – Updated: 2026-10-14 20:39
VLAI
EPSS
VEX
Title
FileRise OIDC login can bind an attacker identity to an existing local account
Summary
FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.23.0, FileRise maps an authenticated OIDC identity to a local account using mutable preferred_username or email claims and does not require email_verified for email-based naming. An attacker who can obtain provider-issued claims colliding with an existing local username can be logged in as that account, including the built-in administrator, even when automatic provisioning is disabled. Exploitability depends on the configured identity provider allowing the colliding claim. This issue is fixed in version 3.23.0.
Severity
8.1 (High)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/error311/FileRise/security/adv… | x_refsource_CONFIRM |
| https://github.com/error311/FileRise/commit/cc111… | x_refsource_MISC |
| https://github.com/error311/FileRise/releases/tag… | x_refsource_MISC |
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CVE-2026-103512 (GCVE-0-2026-103512)
Vulnerability from cvelistv5 – Published: 2026-10-05 08:36 – Updated: 2026-10-05 12:34
VLAI
EPSS
VEX
Title
Ticket host-binding bypass via spoofed client IP in P4Search
Summary
Perforce P4 Search prior to 2026.4.2 trusts a client-supplied address when validating certain authentication requests. An attacker holding a stolen P4 Server ticket can bypass host-based ticket restrictions and trusted-address controls, gaining access to P4 Search as the ticket's owner.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 12:32 UTC
CWE
- CWE-290 - Authentication bypass by spoofing
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Perforce | P4 (Helix Core) |
Affected:
0 , ≤ 2026.4.1
(custom)
Unaffected: 2026.4.2 (custom) |
Date Public
2026-09-30 18:29
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CVE-2026-103397 (GCVE-0-2026-103397)
Vulnerability from cvelistv5 – Published: 2026-09-30 14:48 – Updated: 2026-10-02 16:19
VLAI
EPSS
VEX
Title
OpenSave before 2.4.0-beta.1 Authentication Bypass via Spoofed Relay Sender
Summary
OpenSave before 2.4.0-beta.1 fails to validate sender identity in WAN relay requests, allowing unpaired room members to impersonate paired devices by spoofing the RelayMessage From field. Attackers who know the room code can join, read paired peer identifiers from announcements, and send forged requests to access protected sync routes including save data, snapshots, and file operations.
Severity
5.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 16:19 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://gist.github.com/mansurmavlankulov/2ca66f9… | third-party-advisory |
| https://github.com/Liquid-co/OpenSave/commit/2f26… | patch |
| https://github.com/Liquid-co/OpenSave/blob/v2.3.1… | technical-description |
| https://github.com/Liquid-co/OpenSave | product |
| https://www.vulncheck.com/advisories/opensave-bef… | third-party-advisory |
Impacted products
Date Public
2026-09-09 00:00
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CVE-2026-103347 (GCVE-0-2026-103347)
Vulnerability from cvelistv5 – Published: 2026-10-01 14:34 – Updated: 2026-10-01 15:58
VLAI
EPSS
VEX
Title
WordPress hCaptcha for WP plugin <= 5.3.0 - Bypass Vulnerability vulnerability
Summary
Unauthenticated Bypass Vulnerability in hCaptcha for WP <= 5.3.0 versions.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 15:58 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 | |
|---|---|---|---|
| hcaptcha | hCaptcha for WP |
Affected:
n/a , ≤ 5.3.0
(custom)
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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.