Common Weakness Enumeration

CWE-287

Discouraged

Improper 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.

6985 vulnerabilities reference this CWE, most recent first.

CVE-2026-72917 (GCVE-0-2026-72917)

Vulnerability from cvelistv5 – Published: 2026-08-10 21:35 – Updated: 2026-08-12 22:14

Title

AnythingLLM: Password recovery accepts one recovery code twice after whitespace normalization

Summary

AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. From 1.0.0 to 1.15.0, AnythingLLM's unauthenticated account-recovery flow in server/utils/PasswordRecovery/index.js uses recoverAccount() to deduplicate the raw recoveryCodes values before trimming them, so one valid code submitted twice with different surrounding whitespace can satisfy the two-code check. Each normalized value can also match the same stored hash instead of consuming a distinct hash. An attacker who knows the target username and one recovery code can call POST /api/system/recover-account in multi-user mode, receive a password-reset token, and use POST /api/system/reset-password to take over the account, including an administrator account.

Severity

5.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-12 22:07 UTC

CWE

CWE-180 - Incorrect Behavior Order: Validate Before Canonicalize
CWE-287 - Improper Authentication

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7640 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/Mintplex-Labs/anything-llm/sec…	x_refsource_CONFIRM
https://github.com/Mintplex-Labs/anything-llm/com…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Mintplex-Labs	anything-llm	Affected: Affected versions >= 1.0.0, <= 1.15.0

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CVE-2026-72746 (GCVE-0-2026-72746)

Vulnerability from cvelistv5 – Published: 2026-08-11 12:17 – Updated: 2026-08-12 16:58

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority as it's a duplicate of CVE-2026-73241.

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JSON

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CVE-2026-72533 (GCVE-0-2026-72533)

Vulnerability from cvelistv5 – Published: 2026-08-11 11:06 – Updated: 2026-08-11 15:06

Title

Portainer Portainer CE - Authentication Bypass

Summary

An authentication bypass vulnerability in Portainer CE through 2.44.0 allows authenticated low-privileged users to bypass Docker proxy authorization checks via non-canonical URL normalization, defeating all authorization middleware. The proxy endpoint fails to normalize request paths before applying access controls, allowing crafted requests to be interpreted differently by the proxy and the authorization layer. Successful exploitation grants the attacker root-level access to the underlying Docker host.

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-11 15:06 UTC

CWE

CWE-287 - Improper Authentication

Assigner

TuranSec CNA under the redhat root

CNA scorecard C 70/100 over 189 records in the last 180 days details

References

1 reference

URL	Tags
https://github.com/portainer/portainer

Impacted products

1 product

Vendor	Product	Version
Portainer	Portainer CE	Affected: 0 , ≤ 2.44.0 (custom)

Credits

Bobur Abdugafforov (Mahadsec)

Show details on NVD website

JSON

To clipboard

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CVE-2026-71885 (GCVE-0-2026-71885)

Vulnerability from cvelistv5 – Published: 2026-10-03 08:51 – Updated: 2026-10-05 16:01

Title

MLS X.509 credential not bound to the LeafNode signature key

Summary

In Bouncy Castle for Java before 1.86, the Messaging Layer Security (MLS, RFC 9420) implementation did not bind an X.509 credential to a LeafNode's signature_key. LeafNode.verify() checked a leaf's signature against the signature_key carried in the leaf itself, while the credential's X.509 certificate chain was stored but never parsed or validated, so the end-entity certificate's public key was never required to match signature_key as RFC 9420 sec. 5.3 requires. A party could therefore present another party's certificate as its credential while signing the leaf, and the enclosing KeyPackage, with an unrelated key, and be accepted under that other party's identity through KeyPackage.verify() and the Group leaf-validation path. In a deployment that admits external commits without an independent credential-admission check, an unauthenticated attacker could be admitted under a victim's X.509 identity, evict the victim (resynchronization compares whole credentials rather than signing keys), derive the current epoch, decrypt subsequent group messages, and send messages accepted as the victim. TreeKEM.LeafNode now requires the end-entity certificate's subject public key, in the cipher suite's signature encoding, to equal signature_key for an X.509 credential and rejects the leaf otherwise, including an empty chain or a certificate whose key type does not match the cipher suite; certificate-chain and identity validation to a trust anchor remain the application's responsibility per RFC 9420 sec. 5.3.1. Deployments using only basic credentials are unaffected.

Severity

9.2 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/U:Amber

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-05 16:00 UTC

CWE

CWE-295 - Improper Certificate Validation
CWE-287 - Improper Authentication

Assigner

bcorg CNA under the mitre root

CNA scorecard B 84/100 over 74 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%9…	vendor-advisory
https://github.com/bcgit/bc-java/commit/77632a57e…	patch

Impacted products

1 product

Vendor	Product	Version
Legion of the Bouncy Castle Inc.	BC-JAVA	Affected: 0 , < 1.86 (maven)

Credits

Joshua Rogers and Khaled Suliman of AISLE Research

Show details on NVD website

JSON

To clipboard

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CVE-2026-71467 (GCVE-0-2026-71467)

Vulnerability from cvelistv5 – Published: 2026-08-11 19:22 – Updated: 2026-08-26 21:39

Title

Acm-search-v2-api-rhel9: search-v2-api: authentication bypass on /federated via upgrade: websocket header spoofing

Summary

A flaw was found in search-v2-api. The authentication middleware in the affected component unconditionally skips authentication when a request includes an `Upgrade: websocket` header. An unauthenticated attacker can exploit this by sending a specially crafted HTTP POST request to the `/federated` endpoint with the `Upgrade: websocket` header. This allows the attacker to bypass authentication and access federated search results across all configured remote managed hubs, leading to information disclosure.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-11 20:08 UTC

CWE

CWE-287 - Improper Authentication

Assigner

redhat CNA under the redhat root

CNA scorecard B 82/100 over 1036 records in the last 180 days details

References

3 references

URL	Tags
https://access.redhat.com/errata/RHSA-2026:60386	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-71467	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2512146	issue-trackingx_refsource_REDHAT

Impacted products

1 product

Vendor	Product	Version
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.17	Unaffected: 1787229541 , < * (rpm) cpe:/a:redhat:acm:2.17::el9

Date Public

2026-08-11 12:00

Show details on NVD website

JSON

To clipboard

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CVE-2026-71416 (GCVE-0-2026-71416)

Vulnerability from cvelistv5 – Published: 2026-09-11 13:34 – Updated: 2026-09-11 14:33

Title

Headroom vulnerable to Cross-Site WebSocket Hijacking (CSWSH)

Summary

Headroom compresses data before the data reaches a large language model. Prior to version 0.35.0, the Headroom WebSocket server does not validate the `Origin` header of incoming client WebSocket requests before forwarding the request to the upstream server, allowing malicious WebSocket clients to perform arbitrary LLM requests without authentication. This can be exploited by a malicious WebSocket client executed in a traditional or headless browser such as lightpanda, if the browser has access to the Headroom proxy and the OpenAI API key is stored in the `OPENAI_API_KEY` environment variable. Version 0.35.0 fixes the issue.

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-11 14:31 UTC

CWE

CWE-287 - Improper Authentication
CWE-1385 - Missing Origin Validation in WebSockets

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7640 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/headroomlabs-ai/headroom/secur…	x_refsource_CONFIRM
https://github.com/headroomlabs-ai/headroom/relea…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
headroomlabs-ai	headroom	Affected: < 0.35.0

Show details on NVD website

JSON

To clipboard

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CVE-2026-71326 (GCVE-0-2026-71326)

Vulnerability from cvelistv5 – Published: 2026-08-06 16:34 – Updated: 2026-08-08 02:12

Title

Traefik: BasicAuth singleflight key collision allows authenticated identity spoofing

Summary

Traefik is an open source HTTP reverse proxy and load balancer. From 3.6.11 until 3.6.25 and 3.7.10, Traefik's BasicAuth middleware in pkg/middlewares/auth/basic_auth.go deduplicates concurrent password checks with a singleflight key built from the delimiter-free concatenation of password and secret, allowing an attacker who has a valid credential and the stored hash to authenticate as an unconfigured username when headerField trusts the forwarded identity. This issue is fixed in 3.6.25 and 3.7.10.

Severity

2.1 (Low)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-08 02:12 UTC

CWE

CWE-287 - Improper Authentication

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7640 records in the last 180 days details

References

5 references

URL	Tags
https://github.com/traefik/traefik/security/advis…	x_refsource_CONFIRM
https://github.com/traefik/traefik/pull/13572	x_refsource_MISC
https://github.com/traefik/traefik/commit/b5ace8e…	x_refsource_MISC
https://github.com/traefik/traefik/releases/tag/v3.6.25	x_refsource_MISC
https://github.com/traefik/traefik/releases/tag/v3.7.10	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
traefik	traefik	Affected: >= 3.6.11, < 3.6.25 Affected: >= 3.7.0, < 3.7.10

Show details on NVD website

JSON

To clipboard

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CVE-2026-71277 (GCVE-0-2026-71277)

Vulnerability from cvelistv5 – Published: 2026-08-05 12:26 – Updated: 2026-08-10 11:46

Title

rust-iot-platform Authentication Bypass via Non-Validated Authorization Header

Summary

rust-iot-platform's AuthToken request-guard implementation (api/src/main.rs) only checks whether the Authorization HTTP header is present, and never validates its value against any session, token store, or signature. Any request carrying an arbitrary non-empty Authorization header (e.g. ) satisfies the guard, granting access to every endpoint protected only by this request guard.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-05 15:56 UTC

CWE

CWE-287

Assigner

TuranSec CNA under the redhat root

CNA scorecard C 70/100 over 189 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/iot-ecology/rust-iot-platform	third-party-advisory
https://github.com/iot-ecology/rust-iot-platform/…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
iot-ecology	rust-iot-platform	Affected: 0 , ≤ * (custom)

Date Public

2026-08-05 12:26

Credits

Alibek Baxtiyorov

Show details on NVD website

JSON

To clipboard

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CVE-2026-70482 (GCVE-0-2026-70482)

Vulnerability from cvelistv5 – Published: 2026-08-04 19:51 – Updated: 2026-08-06 03:55

Title

Open WebUI: Account takeover via OAuth token exchange accepting tokens issued to any client

Summary

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.0 until 0.11.0, when ENABLE_OAUTH_TOKEN_EXCHANGE=True, /oauth/{provider}/token/exchange accepts a raw provider access token and validates it by calling the provider userinfo endpoint without confirming which OAuth client the token was issued to. Anyone holding an access token minted for any client registered with the same provider could exchange it for an Open WebUI session as that token user, including applications the operator does not control and has never authorized. This issue is fixed in 0.11.0.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-05 00:00 UTC

CWE

CWE-287 - Improper Authentication

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7640 records in the last 180 days details

References

4 references

URL	Tags
https://github.com/open-webui/open-webui/security…	x_refsource_CONFIRM
https://github.com/open-webui/open-webui/commit/b…	x_refsource_MISC
https://github.com/open-webui/open-webui/commit/c…	x_refsource_MISC
https://github.com/open-webui/open-webui/releases…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
open-webui	open-webui	Affected: >= 0.8.0, < 0.11.0

Show details on NVD website

JSON

To clipboard

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CVE-2026-69854 (GCVE-0-2026-69854)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:18 – Updated: 2026-10-14 23:13

Title

Spring Cloud Azure Elevation of Privilege Vulnerability

Summary

Improper authentication in Spring Cloud Azure allows an unauthorized attacker to elevate privileges over a network.

Severity

9 (Critical)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-11 20:42 UTC

CWE

CWE-287 - Improper Authentication

Assigner

microsoft CNA under the mitre root

CNA scorecard B 82/100 over 3956 records in the last 180 days details

References

1 reference

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version
Microsoft	Spring Cloud Azure	Affected: 1.0.0 , < 7.4.0 (custom) cpe:2.3:a:microsoft:spring_cloud_azure::::::::

Date Public

2026-09-08 14:00

Show details on NVD website

JSON

To clipboard

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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.

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