Common Weakness Enumeration

CWE-305

Allowed

Authentication Bypass by Primary Weakness

Abstraction: Base · Status: Draft

The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.

322 vulnerabilities reference this CWE, most recent first.

CVE-2026-111283 (GCVE-0-2026-111283)

Vulnerability from cvelistv5 – Published: 2026-10-15 21:43 – Updated: 2026-10-16 17:09
VLAI
Title
BMC Helix Network Management before 26.3.01 Authentication Bypass via SAML Configuration
Summary
BMC Helix Network Management on-prem before 26.3.01 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as the local administrator with any password when SAML single sign-on is configured. Attackers can submit the administrator username with an arbitrary password on the web login page to obtain a SuperAdmin session, modify device credentials, run device commands, and alter audit records.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 16:35 UTC
CWE
  • CWE-305 - Authentication Bypass by Primary Weakness
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version
BMC Helix BMC Helix Network Management Affected: 0 , < 26.3.01 (custom)
Create a notification for this product.
Date Public
2026-09-23 00:00
Show details on NVD website

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CVE-2026-107808 (GCVE-0-2026-107808)

Vulnerability from cvelistv5 – Published: 2026-10-09 15:11 – Updated: 2026-10-09 17:19
VLAI
Title
Nginx UI: Authentication bypass: password login does not enforce a passkey-only second factor (2FA bypass)
Summary
Nginx UI is a web user interface for the Nginx web server. From 2.0.0 until 2.5.0, POST /api/login checks EnabledOTP but does not require a WebAuthn assertion when EnabledPasskey is true and no TOTP secret is configured. A passkey-only account is therefore issued a session after password verification, despite Enabled2FA reporting that the account has a second factor. An attacker who obtains the password can take over the account and reach administrative functionality without the registered passkey. This issue is fixed in version 2.5.0.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 17:16 UTC
CWE
  • CWE-287 - Improper Authentication
  • CWE-305 - Authentication Bypass by Primary Weakness
  • CWE-308 - Use of Single-factor Authentication
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7771 records in the last 180 days details
Impacted products
Vendor Product Version
0xJacky nginx-ui Affected: >= 2.0.0, < 2.5.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-94053 (GCVE-0-2026-94053)

Vulnerability from cvelistv5 – Published: 2026-09-30 09:43 – Updated: 2026-09-30 14:30
VLAI
Title
Apache MINA SSHD: LDAP injection in sshd-ldap
Summary
Authentication bypass via LDAP injection in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5. Apache MINA SSHD is a Java library for client-side and server-side SSH. The optional sshd-ldap component provides support for integrating password and publickey authentication on the server side with an LDAP server. sshd-ldap is an optional component. SSH servers implemented with Apache MINA SSHD are affected only if they use sshd-ldap and do configure it to be used for password of public key authentication. Other Apache MINA SSHD servers are not affected. Lack of escaping LDAP filter metacharacters enabled successful authentication with username "*" and password "*". Users are recommended to upgrade affected applications to version 2.20.0 or 3.0.0-M6, which fix this issue by properly escaping filter parameters according to RFC 4515.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:29 UTC
CWE
  • CWE-90 - Improper neutralization of special elements used in an LDAP query ('LDAP injection')
  • CWE-305 - Authentication bypass by primary weakness
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 946 records in the last 180 days details
Impacted products
Vendor Product Version
Apache Software Foundation Apache MINA SSHD Affected: 1.2.0 , < 2.20.0 (maven)
Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
Create a notification for this product.
Show details on NVD website

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CVE-2026-88837 (GCVE-0-2026-88837)

Vulnerability from cvelistv5 – Published: 2026-09-23 17:45 – Updated: 2026-09-25 22:28
VLAI
Title
Busybox: busybox: httpd misidentifies yescrypt password hashes as plaintext, inverting authentication
Summary
BusyBox httpd treats yescrypt ($y$) password hashes as plaintext during Basic Authentication, inverting the authentication check.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 18:00 UTC
CWE
  • CWE-305 - Authentication Bypass by Primary Weakness
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1031 records in the last 180 days details
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:72111 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-88837 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2531351 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat Hardened Images Unaffected: 1.37.0-9.1.hum1 , < * (rpm)
    cpe:/a:redhat:hummingbird:1
Create a notification for this product.
Date Public
2026-09-23 16:35
Show details on NVD website

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CVE-2026-86207 (GCVE-0-2026-86207)

Vulnerability from cvelistv5 – Published: 2026-09-05 19:12 – Updated: 2026-09-08 15:18
VLAI
Title
Authentication bypass leads to unauthorised access to N-central
Summary
An authentication bypass in N-central < 2026.3 HF 3 leads to authentication bypass in internal only APIs
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 15:18 UTC
CWE
  • CWE-305 - Authentication bypass by primary weakness
Assigner
N-able CNA under the mitre root
CNA scorecard – unranked: 6 records in the last 180 days, 10 needed details
Impacted products
Vendor Product Version
N-able N-central Affected: 0 , < 2026.3.1.13 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-85500 (GCVE-0-2026-85500)

Vulnerability from cvelistv5 – Published: 2026-09-17 13:09 – Updated: 2026-09-17 18:12
VLAI
Title
`require_confirmed_with` is not enforced on the action and fails open on an unreadable attribute in AshAuthentication
Summary
Authentication Bypass by Primary Weakness vulnerability in team-alembic AshAuthentication allows an unconfirmed user to obtain a session, defeating a mandatory email confirmation requirement. AshAuthentication.Strategy.Password.Actions.check_user/2 decides whether the attribute named by require_confirmed_with is set using a bare is_nil(Map.get(user, value)). When that attribute is not selected on the loaded record Map.get/2 returns %Ash.NotLoaded{}, and when a field policy denies it for the current actor it returns %Ash.ForbiddenField{}. Neither is nil, so the rejection branch is skipped and sign-i require_confirmed_with is enforced in two places, and neither holds in every configuration. sign_in_with_token and register are checked only inside AshAuthentication.Strategy.Password.Actions, not on the action itself, so any caller that invokes the action directly skips the check. An API layer such as AshGraphql or AshJsonApi invokes the action directly, so this applies to the default configuration. Where a check does run it compares the confirmation attribute against nil. That attribute holds %Ash.NotLoaded{} or %Ash.ForbiddenField{} when it sets select_by_default?: false, when an API layer narrows the read's select, or when a field policy hides it from the sign-in actor. Neither struct is nil, so those configurations read every user as confirmed. This issue affects ash_authentication: from 4.3.8 before 4.15.0 and from 5.0.0-rc.0 before 5.0.0-rc.14.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 18:12 UTC
CWE
  • CWE-305 - Authentication Bypass by Primary Weakness
Assigner
EEF CNA under the mitre root
CNA scorecard A 97/100 over 314 records in the last 180 days details
Impacted products
Vendor Product Version
team-alembic ash_authentication Affected: 4.3.8 , < 4.15.0 (semver)
Affected: 5.0.0-rc.0 , < 5.0.0-rc.14 (semver)
    cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*
Create a notification for this product.
team-alembic ash_authentication Affected: 7d37bc6e4df6697b5813d2f373f0fdb08f813f98 , < * (git)
    cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-81578 (GCVE-0-2026-81578)

Vulnerability from cvelistv5 – Published: 2026-08-28 11:39 – Updated: 2026-09-13 23:15
VLAI
Title
PaperCut MF/NG: Authentication Bypass
Summary
An improper access control vulnerability exists in the web management interface of PaperCut MF and PaperCut NG. Under specific conditions, unauthenticated remote requests targeting administrative functions can trigger backend actions prior to the completion of access validation checks. This allows an unauthenticated remote attacker to modify certain system configurations.
SSVC
Exploitation: active Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 00:00 UTC
CWE
  • CWE-305 - Authentication bypass by primary weakness
Assigner
PaperCut CNA under the mitre root
CNA scorecard C 70/100 over 12 records in the last 180 days details
Impacted products
Vendor Product Version
PaperCut PaperCut MF/NG Affected: 0 , < 24.1.10 (semver)
Affected: 25.0.0 , < 25.0.13 (semver)
Affected: 26.0.0 , < 26.0.5 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-78619 (GCVE-0-2026-78619)

Vulnerability from cvelistv5 – Published: 2026-08-25 21:21 – Updated: 2026-08-26 18:46
VLAI
Title
Punk::Plugin::TOTP versions before 0.05 for Perl accept another account's recovery code at the two-factor challenge because totp_use_recovery compares user identifiers numerically
Summary
Punk::Plugin::TOTP versions before 0.05 for Perl accept another account's recovery code at the two-factor challenge because totp_use_recovery compares user identifiers numerically. The helper searches the recovery model for the submitted code's digest alone, across every user's rows, so the ownership test that follows is the only thing binding a code to the account it was issued to. That test compares the row's user_id with the challenged user's id through Perl's integer coercion, and an identifier with no leading digits coerces to zero, so any two of them compare equal. User models keyed on a username, an email address or a UUID hit that case, and a numeric key compares as intended. The challenge route feeds a submitted value to the helper once TOTP verification fails, so an attacker who knows a victim's password and holds a recovery code of their own passes the victim's second factor.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 18:46 UTC
CWE
  • CWE-305 - Authentication Bypass by Primary Weakness
  • CWE-1025 - Comparison Using Wrong Factors
Assigner
CPANSec CNA under the redhat root
CNA scorecard C 64/100 over 265 records in the last 180 days details
Impacted products
Vendor Product Version
Affected: 0 , < 0.05 (custom)
Show details on NVD website

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CVE-2026-77185 (GCVE-0-2026-77185)

Vulnerability from cvelistv5 – Published: 2026-09-30 09:47 – Updated: 2026-09-30 16:52
VLAI
Title
Apache MINA SSHD: Asynchronous authentication can bypass signature verification
Summary
Authentication bypass in sshd-core in Apache MINA SSHD versions 2.0.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5 for a certain (presumed rare) way to implement an SSH server. Apache MINA SSHD is a Java library for client- and server-side SSH. In the server part of the library, a mechanism to perform "asynchronous authentication" exists. A server implemented with Apache MINA SSHD must contain explicit code to make use of this feature. The implementation of this feature was flawed and could potentially lead to skipping checking the signature in public-key or hostbased authentication, or returning a wrong result. Users are recommended to upgrade to Apache MINA SSHD 2.20.0 or 3.0.0-M6, which fix the logic error and which additionally forbid the use of this "asynchronous authentication" mechanism with the public-key or hostbased authentication schemes: if used, the SSH session will be closed and the server will log an entry indicating that asynchronous authentication may be used only with password or keyboard-interactive authentication.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 16:51 UTC
CWE
  • CWE-305 - Authentication Bypass by Primary Weakness
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 946 records in the last 180 days details
Impacted products
Vendor Product Version
Apache Software Foundation Apache MINA SSHD Affected: 2.0.0 , < 2.20.0 (maven)
Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
Create a notification for this product.
Show details on NVD website

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CVE-2026-65935 (GCVE-0-2026-65935)

Vulnerability from cvelistv5 – Published: 2026-08-13 14:24 – Updated: 2026-08-13 16:09
VLAI
Title
Bypassing passkey entry in legacy pairing
Summary
Passkey entry Bluetooth LE legacy pairing can be bypassed in the RS9116W and SiWx917 by manipulating the temporary key value.  See vulnerability B-E3 in the related paper below.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 16:09 UTC
CWE
  • CWE-305 - Authentication bypass by primary weakness
Assigner
Silabs CNA under the mitre root
CNA scorecard B 84/100 over 33 records in the last 180 days details
References
URL Tags
https://community.silabs.com/068Vm00000x0Yqy vendor-advisorypermissions-required
https://arxiv.org/pdf/2409.02905 related
Impacted products
Vendor Product Version
silabs.com WiseConnect Affected: 2.0.0 , ≤ 2.*.* (semver)
Affected: 4.0.0 , ≤ 4.*.* (semver)
Create a notification for this product.
Show details on NVD website

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No mitigation information available for this CWE.

No CAPEC attack patterns related to this CWE.