Cyber Resilience

CVE-2025-15586

Critical

Published: 19 February 2026

Published
19 February 2026
Modified
15 April 2026
KEV Added
Patch
CVSS Score v4 10.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0038 29.9th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2025-15586 is a critical-severity Improper Authentication (CWE-287) vulnerability in Projectblack (inferred from references). Its CVSS base score is 10.0 (Critical).

Operationally, ranked at the 29.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

OGP-Website installs prior git commit 52f865a4fba763594453068acf8fa9e3fc38d663 are affected by a type juggling flaw which if exploited can result in authentication bypass without knowledge of the victim account's password.

CWE(s)

Related Threats

CVEs Like This One

CVE-2025-1044Shared CWE-287
CVE-2025-56333Shared CWE-287
CVE-2026-1740Shared CWE-287
CVE-2024-12919Shared CWE-287
CVE-2024-57045Shared CWE-287
CVE-2026-7022Shared CWE-287
CVE-2026-10167Shared CWE-287
CVE-2025-67791Shared CWE-287
CVE-2026-24294Shared CWE-287
CVE-2026-3655Shared CWE-287

Affected Assets

Projectblack
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-287

Detects unauthorized successful logons resulting from improper authentication implementations.

addresses: CWE-287

Documented procedures ensure personnel are trained on authentication mechanisms, tangibly lowering the risk of improper authentication being exploited.

addresses: CWE-287

Security awareness training instructs users on secure authentication practices and avoiding credential compromise.

addresses: CWE-287

Training on authentication mechanisms and best practices decreases the occurrence of improper authentication.

addresses: CWE-287

Non-repudiation requires strong authentication mechanisms to irrefutably attribute performed actions to specific individuals or processes.

addresses: CWE-287

Session content review can reveal authentication bypasses or failures in session establishment.

addresses: CWE-287

Review of authentication-related audit records can detect improper authentication mechanisms or bypasses.

addresses: CWE-287

Assessments check authentication mechanisms for correct implementation and effectiveness, reducing successful authentication bypass attempts.

References