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PHP CVE-2026-27881

| EUVDEUVD-2026-40329 MEDIUM
Authorization Bypass Through User-Controlled Key (CWE-639)
2026-06-30 GitHub_M
5.0
CVSS 3.1 · Vendor: GitHub_M
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Severity by source

Vendor (GitHub_M) PRIMARY
5.0 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
vuln.today AI
3.5 LOW

AC:H assigned because a valid cross-team UUID must be independently obtained; PR:L for required API authentication; S:C and C:L reflect read-only cross-tenant deployment data disclosure.

3.1 AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (GitHub_M).

CVSS VectorVendor: GitHub_M

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

2
Patch available
Jun 30, 2026 - 16:01 EUVD
Analysis Generated
Jun 30, 2026 - 15:27 vuln.today

DescriptionCVE.org

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.464, GET /api/v1/deployments/{uuid} in DeployController.php retrieves deployment details without validating that the deployment belongs to the authenticated user's team. Any authenticated API user can read deployment records from other teams by providing a valid deployment UUID. This vulnerability is fixed in 4.0.0-beta.464.

AnalysisAI

Information disclosure in Coolify API allows authenticated users to retrieve deployment records from arbitrary teams prior to version 4.0.0-beta.464. By supplying a valid deployment UUID to the /api/v1/deployments/{uuid} endpoint, any low-privileged authenticated user can read deployment details belonging to other teams, violating team isolation. This vulnerability has a CVSS score of 5.0, public exploit code exists, and no active exploitation has been confirmed (CISA KEV absent), with a low EPSS probability of 0.16%.

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CVE-2026-27881 vulnerability details – vuln.today

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