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.

316 vulnerabilities reference this CWE, most recent first.

CVE-2026-28536 (GCVE-0-2026-28536)

Vulnerability from cvelistv5 – Published: 2026-03-05 07:10 – Updated: 2026-03-05 15:17
VLAI
Summary
Authentication bypass vulnerability in the device authentication module. Impact: Successful exploitation of this vulnerability will affect integrity and confidentiality.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-05 15:16 UTC
CWE
  • CWE-305 - Authentication Bypass by Primary Weakness
Impacted products
Vendor Product Version
Huawei HarmonyOS Affected: 6.0.0
Affected: 5.1.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-25555 (GCVE-0-2026-25555)

Vulnerability from cvelistv5 – Published: 2026-06-08 16:53 – Updated: 2026-07-14 15:53 X_Open Source
VLAI
Title
OpenBullet2 0.3.2 Authentication Bypass via X-Api-Key Header
Summary
OpenBullet2 through version 0.3.2 contains an authentication bypass vulnerability in the API key authentication middleware that allows unauthenticated attackers to gain admin access by supplying an empty X-Api-Key header value. Attackers can exploit the middleware's comparison of the supplied header against an empty AdminApiKey default string to access the admin console and all API endpoints without valid credentials.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-08 17:48 UTC
CWE
  • CWE-305 - Authentication Bypass by Primary Weakness
References
Impacted products
Vendor Product Version
openbullet openbullet2 Affected: 0 , ≤ 0.3.2 (semver)
Create a notification for this product.
Date Public
2026-06-04 00:00
Show details on NVD website

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CVE-2026-22153 (GCVE-0-2026-22153)

Vulnerability from cvelistv5 – Published: 2026-02-10 15:39 – Updated: 2026-02-26 15:04
VLAI
Summary
An Authentication Bypass by Primary Weakness vulnerability [CWE-305] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-11 04:56 UTC
CWE
  • CWE-305 - Improper access control
References
Impacted products
Vendor Product Version
Fortinet FortiOS Affected: 7.6.0 , ≤ 7.6.4 (semver)
    cpe:2.3:o:fortinet:fortios:7.6.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-20152 (GCVE-0-2026-20152)

Vulnerability from cvelistv5 – Published: 2026-04-15 16:03 – Updated: 2026-04-16 19:05
VLAI
Title
Cisco Secure Web Appliance Authentication Service Traffic Bypass Vulnerability
Summary
A vulnerability in the authentication service feature of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an unauthenticated, remote attacker to bypass authentication policy requirements. This vulnerability is due to improper validation of user-supplied authentication input in HTTP requests. An attacker could exploit this vulnerability by sending HTTP requests that contain specific authentication requests to an affected device. A successful exploit could allow the attacker to bypass policy enforcement on the device. There is no direct impact to the Cisco Secure Web Appliance. However, as a result of exploiting this vulnerability, an attacker could send HTTP requests that should be restricted through the device.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-15 16:47 UTC
CWE
  • CWE-305 - Authentication Bypass by Primary Weakness
Impacted products
Vendor Product Version
Cisco Cisco Secure Web Appliance Affected: 11.8.0-453
Affected: 12.5.3-002
Affected: 12.0.3-007
Affected: 12.0.3-005
Affected: 14.1.0-032
Affected: 14.1.0-047
Affected: 14.1.0-041
Affected: 12.0.4-002
Affected: 14.0.2-012
Affected: 11.8.0-414
Affected: 12.0.1-268
Affected: 11.8.1-023
Affected: 11.8.3-021
Affected: 11.8.3-018
Affected: 12.5.1-011
Affected: 11.8.4-004
Affected: 12.5.2-007
Affected: 12.5.2-011
Affected: 14.5.0-498
Affected: 12.5.4-005
Affected: 12.5.4-011
Affected: 12.0.5-011
Affected: 14.0.3-014
Affected: 12.5.5-004
Affected: 12.5.5-005
Affected: 12.5.5-008
Affected: 14.0.4-005
Affected: 14.5.1-008
Affected: 14.5.1-016
Affected: 15.0.0-355
Affected: 15.0.0-322
Affected: 12.5.6-008
Affected: 15.1.0-287
Affected: 14.5.2-011
Affected: 15.2.0-116
Affected: 14.0.5-007
Affected: 15.2.0-164
Affected: 14.5.1-510
Affected: 12.0.2-012
Affected: 12.0.2-004
Affected: 14.5.1-607
Affected: 14.5.3-033
Affected: 15.0.1-004
Affected: 15.2.1-011
Affected: 14.5.0-673
Affected: 14.5.0-537
Affected: 12.0.1-334
Affected: 14.0.1-503
Affected: 14.0.1-053
Affected: 11.8.0-429
Affected: 14.0.1-040
Affected: 14.0.1-014
Affected: 12.5.1-043
Affected: 15.2.2-009
Affected: 15.2.3-007
Affected: 15.2.4-022
Affected: 15.2.5-011
Affected: 15.2.5-013
Affected: 14.6.0-108
Create a notification for this product.
Show details on NVD website

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CVE-2026-19349 (GCVE-0-2026-19349)

Vulnerability from cvelistv5 – Published: 2026-08-16 13:22 – Updated: 2026-08-17 16:38
VLAI
Title
Lemonldap::NG::Portal versions from 2.0.0 before 2.16.9, from 2.17.0 before 2.21.5, from 2.22.0 before 2.23.3 for Perl allow authentication bypass via an OAuth2 state parameter stored as an SSO session in the GitHub and LinkedIn backends
Summary
Lemonldap::NG::Portal versions from 2.0.0 before 2.16.9, from 2.17.0 before 2.21.5, from 2.22.0 before 2.23.3 for Perl allow authentication bypass via an OAuth2 state parameter stored as an SSO session in the GitHub and LinkedIn backends. Before redirecting to the identity provider, extractFormInfo() creates the state session with the positional call `getApacheSession( undef, 1, 0, 'GitHubState' )`. getApacheSession() takes a session id followed by a named argument hash, so the trailing arguments become that hash, `kind` defaults to SSO, and the state is written to the global session storage as a regular SSO session. Its identifier is handed to the unauthenticated visitor as the state parameter of the redirection URL. Any visitor who reaches the GitHub or LinkedIn endpoint can replay that identifier as a session cookie and obtain a valid SSO session without authenticating. The session holds neither _user nor authenticationLevel, which the shipped bootstrap configuration accepts because it grants virtual hosts a "default => accept" access rule; deployments whose rules test the user or require an authentication level are less exposed. Only configurations with the GitHub or LinkedIn authentication module enabled are affected.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 16:38 UTC
CWE
  • CWE-305 - Authentication Bypass by Primary Weakness
  • CWE-628 - Function Call with Incorrectly Specified Arguments
Impacted products
Vendor Product Version
Affected: 2.0.0 , < 2.16.9 (custom)
Affected: 2.17.0 , < 2.21.5 (custom)
Affected: 2.22.0 , < 2.23.3 (custom)
Show details on NVD website

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CVE-2026-19292 (GCVE-0-2026-19292)

Vulnerability from cvelistv5 – Published: 2026-08-13 14:17 – Updated: 2026-08-13 17:03
VLAI
Title
Bluetooth re-pairing with legitimate device can use lower security level
Summary
Re-pairing with a legitimate device can use a lower security level than previous making brute-forcing the LTK easier. See V4 in the BLERP paper linked below.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 17:02 UTC
CWE
  • CWE-305 - Authentication bypass by primary weakness
Impacted products
Vendor Product Version
silabs.com WiseConnect Affected: 4.0.0 , < 4.1.0 (semver)
Affected: 2.0.0 , < 2.14.0 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-16895 (GCVE-0-2026-16895)

Vulnerability from cvelistv5 – Published: 2026-08-27 03:14 – Updated: 2026-08-27 13:09
VLAI
Title
Authentication Bypass in Metasploit JSON-RPC Service When DB Health Check Fails
Summary
A logic vulnerability (fail-open condition) has been identified within the Metasploit Framework's JSON-RPC web service interface. When an exception occurs during the database health check (db.check) and the environment variable MSF_WS_JSON_RPC_API_TOKEN is not explicitly set, the application resets the internal state flag msf.auth_initialized to false. The ApiToken Warden authentication strategy misinterprets this false value as an indicator that authentication is not initialized or required, thereby granting unauthenticated local access to the JSON-RPC request dispatcher.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 13:09 UTC
CWE
  • CWE-305 - Authentication bypass by primary weakness
Impacted products
Vendor Product Version
Rapid7 Metasploit-framework Affected: 0 , < 6.5.2 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-16103 (GCVE-0-2026-16103)

Vulnerability from cvelistv5 – Published: 2026-07-17 16:43 – Updated: 2026-08-31 11:31
VLAI
Title
Keycloak-services: keycloak-services: incomplete fix for ciba brute-force lockout bypass at token redemption
Summary
A flaw was found in the keycloak-services component of Keycloak. This issue is an incomplete fix for CVE-2026-9798, where brute-force protection checks were added to the Client-Initiated Backchannel Authentication (CIBA) initiation handler but were omitted from the token redemption handler. This allows an attacker with valid client credentials to obtain access and refresh tokens for a user account that has been locked due to brute-force protection, provided the authentication request was started before the lockout occurred and was approved by the user.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 17:01 UTC
CWE
  • CWE-305 - Authentication Bypass by Primary Weakness
  • CWE-841 - Improper Enforcement of Behavioral Workflow
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-16103 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2501736 issue-trackingx_refsource_REDHAT
Impacted products
Date Public
2026-07-16 16:53
Show details on NVD website

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CVE-2026-10539 (GCVE-0-2026-10539)

Vulnerability from cvelistv5 – Published: 2026-07-01 07:55 – Updated: 2026-07-01 12:29
VLAI
Title
Unauthenticated command injection in Control-M/Server communication command
Summary
A Control-M/Server communication command does not sufficiently filter or sanitize user-supplied input. Under certain conditions, this issue may allow an unauthenticated attacker to execute unauthorized commands on the affected server, potentially leading to compromise of the server.  This vulnerability affects Control-M/Server versions 9.0.20.x to 9.0.21.200 (included) and potentially earlier unsupported versions.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-01 12:25 UTC
CWE
  • CWE-305 - Authentication bypass by primary weakness
Impacted products
Vendor Product Version
BMC Control-M/Server Unaffected: 9.0.21.300 (semver)
Affected: 9.0.20 , ≤ 9.0.21.200 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-9798 (GCVE-0-2026-9798)

Vulnerability from cvelistv5 – Published: 2026-05-28 04:37 – Updated: 2026-08-20 00:54
VLAI
Title
Keycloak: keycloak: brute-force protection bypass in ciba flow
Summary
A flaw was found in Keycloak, an open-source identity and access management solution. When a user account is temporarily locked due to repeated failed login attempts, an attacker with valid client credentials can exploit the Client-Initiated Backchannel Authentication (CIBA) flow to bypass this brute-force protection. This allows continued authentication attempts and token issuance even when the account should be locked, potentially enabling further unauthorized access attempts.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-29 18:29 UTC
CWE
  • CWE-305 - Authentication Bypass by Primary Weakness
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:50846 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:50847 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:50848 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:50849 vendor-advisoryx_refsource_REDHAT
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https://bugzilla.redhat.com/show_bug.cgi?id=2482470 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat build of Keycloak 26.4 Unaffected: 26.4.14-1 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.4::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.4 Unaffected: 26.4-22 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.4::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.4.14     cpe:/a:redhat:build_keycloak:26.4::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.6 Unaffected: 26.6.5-1 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.6::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.6 Unaffected: 26.6-11 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.6::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.6.5     cpe:/a:redhat:build_keycloak:26.6::el9
Create a notification for this product.
Date Public
2026-05-28 03:53
Show details on NVD website

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No mitigation information available for this CWE.

No CAPEC attack patterns related to this CWE.