Common Weakness Enumeration

CWE-639 Authorization Bypass Through User-Controlled Key

Description

The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

Associated Reviewed Advisories

Vulnerabilities classified under CWE-639 ordered by modification date.

25 reviewed records
Advisory ID NVD ID Severity PURLs Summary Last Modified
GHSA-22jm-h49p-29qw CVE-2026-111767 HIGH

MCP TypeScript SDK: Experimental tasks were not tied to the session that created them

2026-10-20
GHSA-vwwx-px9w-crrc CVE-2026-113665 LOW

ApostropheCMS: Missing Authorization on Notification PATCH/DELETE Endpoints

2026-10-20
GHSA-2jrp-qc93-h2j8 CVE-2026-113655 MODERATE

ApostropheCMS: Same-parent page reorder in @apostrophecms/page move() re-ranks a restricted parent's children without create authorization

2026-10-20
GHSA-xqr9-4wvv-gvch CVE-2026-54641 HIGH

OpenRemote has Cross-Realm User Information Disclosure in UserResourceImpl

2026-10-13
GHSA-q6wp-fr43-gm9v CVE-2026-107850 MODERATE -

Contao: Improper access control in the preview links module

2026-10-09
GHSA-39p5-2wrr-xh29 CVE-2026-91980 MODERATE

Vikunja: Any user can enumerate every team and its members by attaching arbitrary teams to a throwaway project

2026-10-09
GHSA-w39f-h553-h2mx CVE-2026-91984 MODERATE

Vikunja: Cross-tenant task-position rows can be injected into arbitrary project views via the unvalidated project_view_id in the task position endpoint (v1 and v2)

2026-10-09
GHSA-ccgq-fx7h-2v4c - MODERATE

Duplicate Advisory: Vikunja: Cross-tenant task-position rows can be injected into arbitrary project views via the unvalidated project_view_id in the task position endpoint (v1 and v2)

2026-10-09
GHSA-qfwc-vx6f-3g6g CVE-2026-91985 HIGH

Vikunja: Read-only project members can obtain any link share's access hash via the single-share read endpoint (v1 and v2) and escalate to the share's permission level

2026-10-09
GHSA-32r8-5843-4qw2 CVE-2026-76216 HIGH

Vikunja: Link-share principal-type confusion enables cross-account team removal, bot takeover, and roster disclosure

2026-10-09
GHSA-9xwc-vwww-qqmw - HIGH

Duplicate Advisory: Vikunja: Link-share principal-type confusion enables cross-account team removal, bot takeover, and roster disclosure

2026-10-09
GHSA-rj9j-8772-4h6c CVE-2026-68582 CRITICAL

Vikunja: Link-share token reads any tenant's kanban buckets and enumerates usernames/IDs instance-wide (BOLA)

2026-10-09
GHSA-p4r4-8cxw-pjx7 - CRITICAL

Duplicate Advisory: Vikunja: Link-share token reads any tenant's kanban buckets and enumerates usernames/IDs instance-wide (BOLA)

2026-10-09
GHSA-gh98-4phw-6fmw CVE-2026-105698 MODERATE

Langflow : Cross-user flow access and vertex execution via deprecated /api/v1/build/{flow_id}/vertices endpoints

2026-10-07
GHSA-4hmc-cfm3-w43c CVE-2026-105699 HIGH

Langflow has Authenticated Cross-Project File Disclosure via Unscoped MCP Resource Handlers

2026-10-07
GHSA-7vg8-29qx-jgj8 CVE-2026-105867 HIGH

Payload: Client uploads could overwrite S3 objects

2026-10-07
GHSA-f7hx-52q9-hcrf CVE-2026-105859 CRITICAL

Payload: Unauthorized update to collection documents

2026-10-07
GHSA-4ww4-68q3-h7g5 CVE-2026-106100 HIGH

Payload: Field-level write access bypass in Payload on MongoDB

2026-10-07
GHSA-rjpf-7pf5-q54x CVE-2026-46438 MODERATE

wger: Cross-User Data Corruption via Missing Ownership Check on WorkoutLog.slot_entry

2026-10-07
GHSA-fpww-c55p-cjv6 CVE-2026-105847 HIGH

Payload: Polymorphic join queries could disclose hidden fields

2026-10-06
GHSA-ph72-cqr5-qpp7 CVE-2026-105754 MODERATE

vLLM: Scale-out disaggregated multimodal transport trusts caller-supplied features

2026-10-05
GHSA-2phq-3phc-84px CVE-2026-105755 MODERATE

vLLM: Flash late-interaction scoring caches query embeddings under a caller-controlled request id — cross-request integrity break and induced errors on `/score` and `/rerank`

2026-10-05
GHSA-75mg-c62r-v95g CVE-2026-68076 MODERATE

Apache Airflow environment-variable secrets backend permits cross-team credential use

2026-10-02
GHSA-qmrf-jrpr-rjx6 CVE-2026-68871 MODERATE

Apache Airflow Yandex Lockbox backend allows cross-team secret disclosure

2026-10-02
GHSA-4672-hwv6-gq62 - MODERATE

Trigger.dev: Cross-environment deployment cancel

2026-10-02