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Vulnerability record · CVE-2026-73292 · published 12 August 2026

CVE-2026-73292: Cross-site request forgery vulnerability

Semaphore UI is a web interface for managing DevOps tools. Prior to 2.18.21, the /api/users/{id}/password endpoint accepts a cross-site request using the authenticated user's semaphore session cookie without CSRF protection or current-password confirmation, allowing an unauthenticated attacker to change an administrator's or another user's password after user interaction. This issue is fixed in version 2.18.21.

8.3 CVSS 3.1 High EPSS 0.23% · top 87.4% CWE-352 · Cross-site request forgeryCWE-620 · CWE-620 Deferred
8.3CVSS 3.1 base score
0.23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
9 Sep 2026Last modified by NVD

Description

Semaphore UI is a web interface for managing DevOps tools. Prior to 2.18.21, the /api/users/{id}/password endpoint accepts a cross-site request using the authenticated user's semaphore session cookie without CSRF protection or current-password confirmation, allowing an unauthenticated attacker to change an administrator's or another user's password after user interaction. This issue is fixed in version 2.18.21.

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

References

LinkTags
https://github.com/semaphoreui/semaphore/commit/2d6e2e3eb10e8bf688e2ab59609b909a012fad4c
https://github.com/semaphoreui/semaphore/commit/c59c3dc9035badcbf0609c7d35679c06e590a956
https://github.com/semaphoreui/semaphore/releases/tag/v2.18.21
https://github.com/semaphoreui/semaphore/security/advisories/GHSA-8cj9-r88m-8945

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Source: NIST National Vulnerability Database (record CVE-2026-73292), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.