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-2026-96336 (GCVE-0-2026-96336)
Vulnerability from cvelistv5 – Published: 2026-10-09 10:00 – Updated: 2026-10-11 12:13 X_Open Source
VLAI
EPSS
VEX
Title
WordPress Forminator plugin <= 1.57.2 - Payment Bypass vulnerability
Summary
Authentication Bypass by Spoofing vulnerability in WPMU DEV Forminator forminator allows Identity Spoofing.This issue affects Forminator: from n/a through 1.57.2.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-11 12:01 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 | |
|---|---|---|---|
| WPMU DEV | Forminator |
Affected:
0 , ≤ 1.57.2
(custom)
|
Date Public
2026-10-02 06:42
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CVE-2026-96333 (GCVE-0-2026-96333)
Vulnerability from cvelistv5 – Published: 2026-10-09 10:00 – Updated: 2026-10-09 15:11 X_Open Source
VLAI
EPSS
VEX
Title
WordPress GiveWP plugin <= 4.16.8.1 - Payment Bypass vulnerability
Summary
Authentication Bypass by Spoofing vulnerability in Liquid Web / StellarWP GiveWP give allows Identity Spoofing.This issue affects GiveWP: from n/a through 4.16.8.1.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 15:01 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 | |
|---|---|---|---|
| Liquid Web / StellarWP | GiveWP |
Affected:
0 , ≤ 4.16.8.1
(custom)
|
Date Public
2026-10-02 07:48
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CVE-2026-95524 (GCVE-0-2026-95524)
Vulnerability from cvelistv5 – Published: 2026-09-23 18:14 – Updated: 2026-09-23 19:42
VLAI
EPSS
VEX
Title
WordPress WP User Frontend plugin <= 4.3.11 - Bypass Vulnerability vulnerability
Summary
Unauthenticated Bypass Vulnerability in WP User Frontend <= 4.3.11 versions.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 19:06 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 | |
|---|---|---|---|
| weDevs | WP User Frontend |
Affected:
n/a , ≤ 4.3.11
(custom)
|
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CVE-2026-95523 (GCVE-0-2026-95523)
Vulnerability from cvelistv5 – Published: 2026-09-23 18:14 – Updated: 2026-09-23 18:46
VLAI
EPSS
VEX
Title
WordPress WP User Frontend plugin <= 4.3.11 - Bypass Vulnerability vulnerability
Summary
Subscriber Bypass Vulnerability in WP User Frontend <= 4.3.11 versions.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 18:37 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 | |
|---|---|---|---|
| weDevs | WP User Frontend |
Affected:
n/a , ≤ 4.3.11
(custom)
|
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CVE-2026-94457 (GCVE-0-2026-94457)
Vulnerability from cvelistv5 – Published: 2026-09-23 18:14 – Updated: 2026-09-23 19:43
VLAI
EPSS
VEX
Title
WordPress Captcha Code plugin <= 3.32 - Bypass Vulnerability vulnerability
Summary
Unauthenticated Bypass Vulnerability in Captcha Code <= 3.32 versions.
Severity
4.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 19:04 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 | |
|---|---|---|---|
| WebFactory | Captcha Code |
Affected:
n/a , ≤ 3.32
(custom)
|
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CVE-2026-94422 (GCVE-0-2026-94422)
Vulnerability from cvelistv5 – Published: 2026-10-02 13:54 – Updated: 2026-10-02 16:51
VLAI
EPSS
VEX
Title
xdg-dbus-proxy: message filtering bypass via reply serial allows sandbox escape
Summary
An incorrect implementation of message filtering in xdg-dbus-proxy versions before 0.1.9 allows an attacker to bypass the intended message filtering on the D-Bus session bus by setting a reply serial number on non-reply messages. A malicious or compromised Flatpak app could use this to achieve arbitrary code execution outside its sandbox. xdg-dbus-proxy was designed to be part of the sandbox boundary for Flatpak, but it is released as a separate project and is sometimes used by other app frameworks such as Firejail.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 16:51 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
7 references
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Affected:
0 , < 0.1.9
(semver)
|
|||
| Fedora | Fedora |
Affected:
0 , < 0.1.9
(semver)
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
|
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
Date Public
2026-09-23 13:57
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CVE-2026-94416 (GCVE-0-2026-94416)
Vulnerability from cvelistv5 – Published: 2026-09-24 12:25 – Updated: 2026-09-24 14:59
VLAI
EPSS
VEX
Title
Aap-gateway: aap-gateway: authorization bypass via workload identity token forgery
Summary
An authorization bypass was found in the Ansible Automation Platform (AAP) gateway. The gateway API allows an authenticated administrator to create a new service key for the Controller service cluster. Because service-key creation is not restricted to the installer-provisioned provisioning path, an administrator-issued key is cryptographically indistinguishable from a legitimate one and can be used to forge a service-authentication token that impersonates the Controller service. Combined with the gateway OIDC workload-identity endpoint (enabled via FEATURE_OIDC_WORKLOAD_IDENTITY_ENABLED), the attacker can drive the gateway to sign Workload Identity Tokens (WITs) for arbitrary Controller workloads. A downstream resource server such as HashiCorp Vault that trusts the gateway OIDC key will accept the forged WIT and return the AAP credentials bound to that workload, disclosing secrets beyond the attacker's authorization boundary.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 13:58 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-94416 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2537465 | issue-trackingx_refsource_REDHAT |
| https://github.com/ansible/ansible.platform/pull/254 | |
| https://github.com/ansible/jewel/pull/235 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Ansible Automation Platform 2 |
cpe:/a:redhat:ansible_automation_platform:2
|
Date Public
2026-09-18 00:00
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CVE-2026-94197 (GCVE-0-2026-94197)
Vulnerability from cvelistv5 – Published: 2026-10-14 14:40 – Updated: 2026-10-15 16:43
VLAI
EPSS
VEX
Title
NGINX Ingress Controller vulnerability
Summary
An authentication and authorization bypass vulnerability exists in F5 NGINX Kubernetes Ingress Controller (NIC) when configured with the `ExternalAuth` policy or Ingress external authentication. Client-supplied X-Forwarded-Prefix, X-Forwarded-URI, X-Original-URI, and X-Forwarded-Method routing and method headers are forwarded unsanitized into the internal authentication subrequest (handled by the NGINX auth_request directive). As a result, an unauthenticated, remote attacker may spoof request attributes evaluated by the external authentication provider.
Impact:
This vulnerability may allow remote attackers
unauthenticated
access to protected
paths. There is no control plane exposure; this is a data plane issue only.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 15:53 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://my.f5.com/manage/s/article/K000162611 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| F5 | NGINX Ingress Controller |
Affected:
5.5.0 , < 5.7.0
(custom)
|
Date Public
2026-10-14 14:00
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CVE-2026-93582 (GCVE-0-2026-93582)
Vulnerability from cvelistv5 – Published: 2026-10-12 06:49 – Updated: 2026-10-15 19:14
VLAI
EPSS
VEX
Title
Authentication Bypass via Spoofed Remote-User Header in HTTP Basic Authentication
Summary
The HTTP Basic Authentication modules in ((OTRS)) Community Edition 6 and prior accept the authenticated username from either the REMOTE_USER or HTTP_REMOTE_USER environment variable. In CGI and mod_perl based deployments, HTTP request headers may be mapped to corresponding HTTP_* environment variables. As a result, an unauthenticated remote attacker can supply a crafted Remote-User request header which is exposed to the application as HTTP_REMOTE_USER. When HTTP Basic Authentication is configured as the authentication backend, OTRS trusts this value as an already authenticated username and does not perform an additional password verification. An attacker may therefore authenticate through the Generic Interface as an existing agent or customer user without knowing the corresponding credentials.
The resulting privileges depend on the account being impersonated. Successful exploitation may allow access to confidential information and modification of data or configuration with the permissions of the affected user. Exploitation requires HTTP Basic Authentication to be configured as an authentication backend and a web server environment in which attacker-controlled HTTP headers are exposed through the corresponding HTTP_* environment variables.
OTRS 7 and later are not affected by this attack vector due to the use of Mojolicious/Hypnotoad and does not expose arbitrary request headers through %ENV in the manner required for exploitation. The supported REMOTE_USER mechanism additionally requires validation through the configured SSO shared secret. The unused HTTP_REMOTE_USER fallback has nevertheless been removed as a security-hardening measure.
Please note that ((OTRS)) Community Edition 6.x and before are vulnerable. Products based on the ((OTRS)) Community Edition also very likely to be affected
Severity
9.4 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 16:41 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| OTRS GmbH (former OTRS AG) | OTRS |
Unaffected:
7.0.x
Unaffected: 8.0.x Unaffected: 2023.x Unaffected: 2024.x Unaffected: 2025.x Unaffected: 2026.x |
|
| OTRS GmbH (former OTRS AG) | ((OTRS)) Community Edition |
Affected:
6.x
|
Date Public
2026-10-12 07:00
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CVE-2026-93538 (GCVE-0-2026-93538)
Vulnerability from cvelistv5 – Published: 2026-09-28 14:10 – Updated: 2026-09-28 16:22
VLAI
EPSS
VEX
Title
Cross-tenant BundleDeployment and Secret disclosure via spoofed cluster labels during agent-initiated registration in Fleet
Summary
A cross-tenant authorization issue was discovered in SUSE Rancher Fleet. During agent-initiated cluster registration, cluster labels supplied by the registering agent, including labels in the reserved management.cattle.io/ namespace such as the cluster display name label, were applied to the resulting upstream Cluster object. Because Fleet resolves GitRepo and Bundle targets from those cluster labels, a party able to register a cluster into a Fleet workspace namespace shared with other tenants could cause its own cluster to satisfy targeting rules that administrators intended for a different cluster.
This affects SUSE Rancher Fleet 0.16 before 0.16.1, 0.15 before 0.15.6, 0.14 before 0.14.10, 0.13 before 0.13.15, 0.12 before 0.12.19 and older versions.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 15:46 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/rancher/fleet/security/advisor… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SUSE | Rancher |
Affected:
0.16.0 , < 0.16.1
(semver)
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Date Public
2026-09-28 14:05
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},
"cveMetadata": {
"assignerOrgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb",
"assignerShortName": "suse",
"cveId": "CVE-2026-93538",
"datePublished": "2026-09-28T14:10:21.720Z",
"dateReserved": "2026-09-18T09:08:10.294Z",
"dateUpdated": "2026-09-28T16:22:26.562Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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.