Common Weakness Enumeration
CWE-287
DiscouragedImproper Authentication
Abstraction: Class · Status: Draft
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
6974 vulnerabilities reference this CWE, most recent first.
CVE-2026-105305 (GCVE-0-2026-105305)
Vulnerability from cvelistv5 – Published: 2026-10-06 07:33 – Updated: 2026-10-06 12:44
VLAI
EPSS
VEX
Title
Keycloak-services: keycloak-services: device authorization grant bypasses per-client minimum.acr.value enforcement
Summary
A flaw was found in the OIDC implementation of Keycloak, specifically within the Device Authorization Grant flow. This component allows devices with limited input capabilities to obtain security tokens. The issue occurs because the flow fails to check the minimum authentication level required by a client configuration. This allows an attacker who has stolen a user's password to bypass mandatory multi-factor authentication and gain unauthorized access to the Keycloak Admin REST API.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 12:44 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-105305 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2545801 | issue-trackingx_refsource_REDHAT |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Build of Keycloak |
cpe:/a:redhat:build_keycloak:
|
|
| Red Hat | Red Hat Single Sign-On 7 |
cpe:/a:redhat:red_hat_single_sign_on:7
|
Date Public
2026-10-06 06:51
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CVE-2026-105213 (GCVE-0-2026-105213)
Vulnerability from cvelistv5 – Published: 2026-10-04 13:10 – Updated: 2026-10-05 15:42
VLAI
EPSS
VEX
Title
ZITADEL before 4.17.1 Authentication Bypass via Login V2 for Deactivated Organizations
Summary
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Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 15:38 UTC
CWE
- CWE-287 - Improper Authentication
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
2026-08-14 00:00
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CVE-2026-105212 (GCVE-0-2026-105212)
Vulnerability from cvelistv5 – Published: 2026-10-04 13:10 – Updated: 2026-10-05 14:55
VLAI
EPSS
VEX
Title
ZITADEL before 3.4.14 and 4.16.2 Account Takeover via Passkey Enrollment
Summary
ZITADEL 3.x before 3.4.14 and 4.x before 4.16.2 contains an authentication bypass in the hosted Login V1 and Login V2 UIs that accepts passkey or other authenticator enrollment on identify-only login sessions, before any primary factor is verified. Unauthenticated attackers knowing only a victim's login name can register an attacker-controlled authenticator and log in as that user, bypassing existing passwords and MFA.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 13:10 UTC
CWE
- CWE-287 - Improper Authentication
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-2026-105210 (GCVE-0-2026-105210)
Vulnerability from cvelistv5 – Published: 2026-10-04 13:10 – Updated: 2026-10-05 13:29
VLAI
EPSS
VEX
Title
ZITADEL before 4.17.1 Unauthenticated MFA Enrollment via Login V1 Init Handlers
Summary
ZITADEL 3.x before 3.4.15 and 4.x before 4.17.1 contains a missing authentication flaw in the hosted Login V1 UI, whose second-factor enrollment and initialization handlers act on an identify-only session before any primary factor is verified. Attackers knowing only a victim's login name can enroll attacker-controlled TOTP, OTP-SMS, OTP-Email, or U2F factors, overwrite the verified phone number, and enumerate users through discrepant errors.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 13:29 UTC
CWE
- CWE-287 - Improper Authentication
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
2026-08-14 00:00
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CVE-2026-105170 (GCVE-0-2026-105170)
Vulnerability from cvelistv5 – Published: 2026-10-04 23:30 – Updated: 2026-10-06 22:06
VLAI
EPSS
VEX
Title
kishor-23 food-waste-management-system Admin Signup signup.php missing authentication
Summary
A weakness has been identified in kishor-23 food-waste-management-system 411989e3ecb82895e53dca7865f72145f03d7d93/b3a70b2c492dc9904de5be1ad9389bd79b87f82c. Affected is an unknown function of the file admin/signup.php of the component Admin Signup. This manipulation of the argument sign causes missing authentication. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 22:06 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/413402 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/413402/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-105170 | third-party-advisory |
| https://vuldb.com/submit/970276 | third-party-advisory |
| https://github.com/kishor-23/food-waste-managemen… | exploitissue-tracking |
| https://github.com/kishor-23/food-waste-managemen… | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| kishor-23 | food-waste-management-system |
Affected:
411989e3ecb82895e53dca7865f72145f03d7d93
Affected: b3a70b2c492dc9904de5be1ad9389bd79b87f82c cpe:2.3:a:kishor-23:food-waste-management-system:*:*:*:*:*:*:*:* |
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CVE-2026-105133 (GCVE-0-2026-105133)
Vulnerability from cvelistv5 – Published: 2026-10-04 05:15 – Updated: 2026-10-15 03:57
VLAI
EPSS
VEX
Title
Ahsay AhsayCBS API ApiStructsAction.java checkSysPwd improper authentication
Summary
A vulnerability was detected in Ahsay AhsayCBS up to 10.3.2. This affects the function checkSysPwd of the file com/ahsay/obs/api/ApiStructsAction.java of the component API. Performing a manipulation of the argument random results in improper authentication. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 10.3.4 is able to mitigate this issue. It is recommended to upgrade the affected component.
Severity
SSVC
Exploitation: active
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 00:00 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/413350 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/413350/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-105133 | third-party-advisory |
| https://vuldb.com/submit/942688 | third-party-advisory |
| https://www.ahsay.com/en/support/help-centre/rele… | patch |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
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CVE-2026-105034 (GCVE-0-2026-105034)
Vulnerability from cvelistv5 – Published: 2026-10-15 20:42 – Updated: 2026-10-16 19:50
VLAI
EPSS
VEX
Title
EnergizeLab Eilik Unauthenticated Device-Token Issuance for Arbitrary Serial Numbers
Summary
The EnergizeLab Eilik NestJS auth service issues device tokens for arbitrary robot serial numbers without authentication. An unauthenticated remote attacker can obtain a valid device token for any serial number and act as that device against the cloud services.
Severity
8.2 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CNA · AHA (v2.0.3)
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 19:50 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/xn0tsa/your-secrets-are-safe-with-me | technical-description |
| https://takeonme.org/gcves/GCVE-1337-2026-0000000… | third-party-advisory |
| https://www.theverge.com/tech/1010727/eiliko-robo… | media-coverage |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EnergizeLab | NestJS auth service |
Affected:
1.8.2
|
Date Public
2026-10-15 12:00
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CVE-2026-104803 (GCVE-0-2026-104803)
Vulnerability from cvelistv5 – Published: 2026-10-10 07:41 – Updated: 2026-10-11 16:55
VLAI
EPSS
VEX
Title
WPCOM Member <= 1.7.27 - Unauthenticated Authentication Bypass via 'uuid' and 'code' Parameters on Social-Login Callback
Summary
The WPCOM Member plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.7.27 via the `uuid` and `code` parameters of the social-login callback handler registered on the `init` hook. The vulnerability exists because the `login` function's social-login flow performs no nonce validation, no OAuth state verification, and no per-visitor namespace isolation in the session store, allowing an unauthenticated attacker to issue a crafted GET request that writes an attacker-named, attacker-valued entry into the global session namespace (bypassing the per-visitor prefix by prepending an underscore), then issue a second GET request triggering `weapp_new_user()` to read that forged entry and resolve the attacker-supplied `openid` value to a bound WordPress account before `wp_set_auth_cookie()` establishes a fully authenticated session. This makes it possible for unauthenticated attackers to log in as any WordPress user — including administrators — whose bound social provider identifier (openid/unionid) is known or discoverable. Successful exploitation requires that the target site has at least one social provider configured (which activates the vulnerable handler) and that the attacker knows or can enumerate the victim account's bound openid or unionid.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-11 16:40 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| whyun | WPCOM Member |
Affected:
0 , ≤ 1.7.27
(semver)
|
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CVE-2026-104797 (GCVE-0-2026-104797)
Vulnerability from cvelistv5 – Published: 2026-10-10 03:26 – Updated: 2026-10-11 16:55
VLAI
EPSS
VEX
Title
Advanced Form Integration <= 2.9.0 - Unauthenticated Unverified Password Change to Authentication Bypass / Privilege Escalation via Contact Form 7 Submission to Ultimate Member Update Profile Field Action
Summary
The Advanced Form Integration — Connect Forms to 300+ Apps plugin for WordPress is vulnerable to Authentication Bypass via Unverified Password Change in all versions up to, and including, 2.9.0 The `adfoin_ultimatememberac_send_data` function, which powers the Ultimate Member "Update Profile Field" action, resolves the target WordPress user from an attacker-supplied email address and passes an attacker-controlled field key and value directly to `UM()->user()->update_profile()` in the `account` context — which explicitly bypasses Ultimate Member's banned-key validation — without performing any submitter identity verification, ownership check, capability check, current-password reauthentication, or restriction on sensitive keys such as `user_pass`. This makes it possible for unauthenticated attackers to change the password of any WordPress user account, including Administrator accounts, by submitting a public Contact Form 7 form with a target email and `user_pass` as the field key, enabling full site takeover. Exploitation requires an administrator to have pre-configured a Contact Form 7 integration that maps the target email, field key, and value from public form inputs to the Ultimate Member Update Profile Field action — the exact workflow the plugin's own UI advertises for this action type.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-11 16:43 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| nasirahmed | Advanced Form Integration — Connect Forms to 300+ Apps |
Affected:
0 , ≤ 2.9.0
(semver)
|
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CVE-2026-104759 (GCVE-0-2026-104759)
Vulnerability from cvelistv5 – Published: 2026-10-10 07:41 – Updated: 2026-10-11 16:55
VLAI
EPSS
VEX
Title
WPO365 | SEAMLESS WORDPRESS + MICROSOFT INTEGRATION (WPO365 | LOGIN) <= 44.1 - Unauthenticated Authentication Bypass via OIDC Nonce Replay via id_token Nonce Verification
Summary
The WPO365 | SEAMLESS WORDPRESS + MICROSOFT INTEGRATION (WPO365 | LOGIN) plugin for WordPress is vulnerable to Authentication Bypass via OIDC Nonce Replay in all versions up to, and including, 44.1 This is due to `Id_Token_Service_Deprecated::process_openidconnect_token()` using the incompatible WordPress core `wp_verify_nonce()` function to validate a nonce produced by `Nonce_Service::create_nonce()` — a 64-character hex value that `wp_verify_nonce()` can never successfully verify — causing the nonce check to silently fail without terminating authentication, so execution continues into `authenticate_oidc_user()` with the attacker-supplied `id_token`. This makes it possible for unauthenticated attackers who have obtained a previously-issued, valid `id_token` for a target account to replay that token and authenticate as any WordPress user, including administrators, resulting in full site takeover. This vulnerability is only exploitable when the `use_id_token_parser_v2` plugin option is enabled, as this is the configuration that routes token processing through the deprecated parser containing the broken nonce check.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-11 16:37 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wpo365 | WPO365 | SEAMLESS WORDPRESS + MICROSOFT INTEGRATION (WPO365 | LOGIN) |
Affected:
0 , ≤ 44.1
(semver)
|
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"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation
Architecture and Design
Strategy: Libraries or Frameworks
Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
CAPEC-114: Authentication Abuse
An attacker obtains unauthorized access to an application, service or device either through knowledge of the inherent weaknesses of an authentication mechanism, or by exploiting a flaw in the authentication scheme's implementation. In such an attack an authentication mechanism is functioning but a carefully controlled sequence of events causes the mechanism to grant access to the attacker.
CAPEC-115: Authentication Bypass
An attacker gains access to application, service, or device with the privileges of an authorized or privileged user by evading or circumventing an authentication mechanism. The attacker is therefore able to access protected data without authentication ever having taken place.
CAPEC-151: Identity Spoofing
Identity Spoofing refers to the action of assuming (i.e., taking on) the identity of some other entity (human or non-human) and then using that identity to accomplish a goal. An adversary may craft messages that appear to come from a different principle or use stolen / spoofed authentication credentials.
CAPEC-194: Fake the Source of Data
An adversary takes advantage of improper authentication to provide data or services under a falsified identity. The purpose of using the falsified identity may be to prevent traceability of the provided data or to assume the rights granted to another individual. One of the simplest forms of this attack would be the creation of an email message with a modified "From" field in order to appear that the message was sent from someone other than the actual sender. The root of the attack (in this case the email system) fails to properly authenticate the source and this results in the reader incorrectly performing the instructed action. Results of the attack vary depending on the details of the attack, but common results include privilege escalation, obfuscation of other attacks, and data corruption/manipulation.
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-57: Utilizing REST's Trust in the System Resource to Obtain Sensitive Data
This attack utilizes a REST(REpresentational State Transfer)-style applications' trust in the system resources and environment to obtain sensitive data once SSL is terminated.
CAPEC-593: Session Hijacking
This type of attack involves an adversary that exploits weaknesses in an application's use of sessions in performing authentication. The adversary is able to steal or manipulate an active session and use it to gain unathorized access to the application.
CAPEC-633: Token Impersonation
An adversary exploits a weakness in authentication to create an access token (or equivalent) that impersonates a different entity, and then associates a process/thread to that that impersonated token. This action causes a downstream user to make a decision or take action that is based on the assumed identity, and not the response that blocks the adversary.
CAPEC-650: Upload a Web Shell to a Web Server
By exploiting insufficient permissions, it is possible to upload a web shell to a web server in such a way that it can be executed remotely. This shell can have various capabilities, thereby acting as a "gateway" to the underlying web server. The shell might execute at the higher permission level of the web server, providing the ability the execute malicious code at elevated levels.
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.