CWE-287
Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
CVE-2026-41671 (GCVE-0-2026-41671)
Vulnerability from cvelistv5 – Published: 2026-05-07 03:00 – Updated: 2026-05-07 12:46
VLAI
Title
Admidio: OIDC Token Introspection Endpoint Returns Active for All Tokens Without Validation
Summary
Admidio is an open-source user management solution. Prior to version 5.0.9, the OIDC token introspection endpoint (/modules/sso/index.php/oidc/introspect) always returns {"active": true} for every request, regardless of whether a valid token is provided, whether the token is expired, revoked, or completely fabricated. The endpoint performs no authentication of the calling resource server and no validation of the submitted token. Any resource server that relies on this introspection endpoint to validate access tokens will accept all requests as authorized, enabling complete authentication bypass. Additionally, the OIDC token revocation endpoint (/oidc/revoke) returns {"revoked": true} without actually revoking any token, preventing resource servers from invalidating compromised credentials. This issue has been patched in version 5.0.9.
Severity
6.8 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-287 - Improper Authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Admidio/admidio/security/advis… | x_refsource_CONFIRM |
| https://github.com/Admidio/admidio/releases/tag/v5.0.9 | x_refsource_MISC |
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CVE-2026-41679 (GCVE-0-2026-41679)
Vulnerability from cvelistv5 – Published: 2026-04-23 00:53 – Updated: 2026-04-23 16:23
VLAI
Title
Paperclip Vulnerable to Unauthenticated Remote Code Execution via Import Authorization Bypass
Summary
Paperclip is a Node.js server and React UI that orchestrates a team of AI agents to run a business. Prior to version 2026.416.0, an unauthenticated attacker can achieve full remote code execution on any network-accessible Paperclip instance running in `authenticated` mode with default configuration. No user interaction, no credentials, just the target's address. The chain consists of six API calls. The attack is fully automated, requires no user interaction, and works against the default deployment configuration. Version 2026.416.0 patches the issue.
Severity
10 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/paperclipai/paperclip/security… | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| paperclipai | paperclip |
Affected:
< 2026.410.0
|
|
| paperclipai | @paperclipai/server |
Affected:
< 2026.410.0
|
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CVE-2026-41720 (GCVE-0-2026-41720)
Vulnerability from cvelistv5 – Published: 2026-06-09 03:48 – Updated: 2026-06-09 15:02
VLAI
Title
Authentication Bypass with Empty Password in Spring LDAP
Summary
Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username is paired with an empty or null password.
Affected versions:
Spring LDAP 2.4.0 through 2.4.4; 3.2.0 through 3.2.17; 3.3.0 through 3.3.7; 4.0.0 through 4.0.3.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-287 - Improper Authentication
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Spring | Spring LDAP |
Affected:
2.4.0 , < 2.4.5
(custom)
Affected: 3.2.0 , < 3.2.18 (custom) Affected: 3.3.0 , < 3.3.8 (custom) Affected: 4.0.0 , < 4.0.4 (custom) |
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CVE-2026-4187 (GCVE-0-2026-4187)
Vulnerability from cvelistv5 – Published: 2026-03-15 19:02 – Updated: 2026-03-16 20:14
VLAI
Title
Tiandy Easy7 Integrated Management Platform Device Identifier UpdateLocalDevInfo.jsp missing authentication
Summary
A vulnerability was identified in Tiandy Easy7 Integrated Management Platform 7.17.0. Impacted is an unknown function of the file /WebService/UpdateLocalDevInfo.jsp of the component Device Identifier Handler. Such manipulation of the argument username/password leads to missing authentication. The attack can be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.351093 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.351093 | signaturepermissions-required |
| https://vuldb.com/?submit.769931 | third-party-advisory |
| https://my.feishu.cn/docx/Vc4QdU5KNoMF57xxubOcBwP… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Tiandy | Easy7 Integrated Management Platform |
Affected:
7.17.0
|
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CVE-2026-42041 (GCVE-0-2026-42041)
Vulnerability from cvelistv5 – Published: 2026-04-24 17:55 – Updated: 2026-04-24 18:32
VLAI
Title
Axios: Authentication Bypass via Prototype Pollution Gadget in `validateStatus` Merge Strategy
Summary
Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, the Axios library is vulnerable to a Prototype Pollution "Gadget" attack that allows any Object.prototype pollution to silently suppress all HTTP error responses (401, 403, 500, etc.), causing them to be treated as successful responses. This completely bypasses application-level authentication and error handling. The root cause is that validateStatus is the only config property using the mergeDirectKeys merge strategy, which uses JavaScript's in operator — an operator that inherently traverses the prototype chain. When Object.prototype.validateStatus is polluted with () => true, all HTTP status codes are accepted as success. This vulnerability is fixed in 1.15.1 and 0.31.1.
Severity
4.8 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/axios/axios/security/advisorie… | x_refsource_CONFIRM |
Impacted products
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CVE-2026-4252 (GCVE-0-2026-4252)
Vulnerability from cvelistv5 – Published: 2026-03-16 16:32 – Updated: 2026-03-16 18:07
VLAI
Title
Tenda AC8 IPv6 check_is_ipv6 ip address for authentication
Summary
A vulnerability was identified in Tenda AC8 16.03.50.11. Affected by this issue is the function check_is_ipv6 of the component IPv6 Handler. The manipulation leads to reliance on ip address for authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.
Severity
9.8 (Critical)
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.351210 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.351210 | signaturepermissions-required |
| https://vuldb.com/?submit.771759 | third-party-advisory |
| https://github.com/digitalandrew/tenda_ac8_v5/blo… | exploit |
| https://www.tenda.com.cn/ | product |
Impacted products
Credits
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CVE-2026-42560 (GCVE-0-2026-42560)
Vulnerability from cvelistv5 – Published: 2026-05-09 04:15 – Updated: 2026-05-11 17:31
VLAI
Title
auth: Patreon provider assigns the same local user ID to every authenticated Patreon account, enabling cross‑user impersonation
Summary
auth provides authentication via oauth2, direct and email. From versions 1.18.0 to before 1.25.2 and 2.0.0 to before 2.1.2, the Patreon OAuth provider maps every authenticated Patreon account to the same local user.ID, instead of deriving a unique ID from the Patreon account returned by Patreon. In practice, this means all Patreon-authenticated users of an application using this library are collapsed into a single local identity. Any application that trusts token.User.ID as the stable account key can end up mixing or fully merging unrelated Patreon users, which can lead to cross-account access, privilege confusion, and subscription-state leakage. This issue has been patched in versions 1.25.2 and 2.1.2.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-287 - Improper Authentication
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/go-pkgz/auth/security/advisori… | x_refsource_CONFIRM |
| https://github.com/go-pkgz/auth/commit/c0b15ee72a… | x_refsource_MISC |
| https://github.com/go-pkgz/auth/releases/tag/v1.25.2 | x_refsource_MISC |
| https://github.com/go-pkgz/auth/releases/tag/v2.1.2 | x_refsource_MISC |
Impacted products
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CVE-2026-42602 (GCVE-0-2026-42602)
Vulnerability from cvelistv5 – Published: 2026-05-13 20:12 – Updated: 2026-05-14 12:52
VLAI
Title
azureauthextension Authenticate method does not validate bearer tokens, allowing auth bypass via replay
Summary
azureauthextension is the Azure Authenticator Extension. From 0.124.0 to 0.150.0, a server-side authentication bypass in azureauthextension allows any party who holds a single valid Azure access token for any scope the collector's configured identity can mint for to authenticate to any OpenTelemetry receiver that uses auth: azure_auth. The extension's Authenticate method does not validate incoming bearer tokens as JWTs. Instead, it calls its own configured credential to obtain an access token and compares the client's token to the result with string equality — and the scope for that server-side token request is taken from the client-supplied Host header. As a result, a token minted for any Azure resource the service principal has ever been issued a token for (ARM, Graph, Key Vault, Storage, etc.) will authenticate to the collector if the attacker picks a matching Host. Tokens are replayable for the full issued lifetime (commonly several hours for managed identity tokens).
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/open-telemetry/opentelemetry-c… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| open-telemetry | opentelemetry-collector-contrib |
Affected:
>= 0.124.0, <= 0.150.0
|
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CVE-2026-42822 (GCVE-0-2026-42822)
Vulnerability from cvelistv5 – Published: 2026-05-18 17:03 – Updated: 2026-06-09 19:33
VLAI
Title
Azure Local Disconnected Operations (ALDO) Elevation of Privilege Vulnerability
Summary
Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges over a network.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-287 - Improper Authentication
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Azure Local |
Affected:
1.0.0 , < 2604.2.25645
(custom)
|
Date Public
2026-05-18 14:00
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CVE-2026-42855 (GCVE-0-2026-42855)
Vulnerability from cvelistv5 – Published: 2026-05-12 21:56 – Updated: 2026-05-13 15:36
VLAI
Title
arduino-esp32: Digest authentication URI mismatch bypass in WebServer allows cross-resource replay attack
Summary
arduino-esp32 is an Arduino core for the ESP32, ESP32-S2, ESP32-S3, ESP32-C3, ESP32-C6 and ESP32-H2 microcontrollers. Prior to 3.3.8, the WebServer Digest authentication implementation in arduino-esp32 computes the authentication hash using the URI field from the client's Authorization header, without verifying that it matches the actual requested URI. This allows an attacker who possesses any valid digest response (computed for URI-A) to authenticate requests to a completely different protected URI (URI-B), bypassing per-resource access control. This vulnerability is fixed in 3.3.8.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-287 - Improper Authentication
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/espressif/arduino-esp32/securi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| espressif | arduino-esp32 |
Affected:
< 3.3.8
|
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Mitigation
Phase: Architecture and Design
Strategy: Libraries or Frameworks
Description:
- 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.