CVE WATCH / VULNERABILITY DETAIL
CVE-2026-81938
HIGHCVSS 7.7NVD feed
Published 2 November 2026 · tracked since 3 November 2026
Description
Grafana Mimir's Alertmanager rejects tenant-supplied receiver configurations that reference local files, but the check did not cover two HTTP client settings: http_headers.<name>.files and basic_auth.username_file. A tenant permitted to upload an Alertmanager configuration could point these fields a
References
- NVD — National Vulnerability Database
- CVE.org record (MITRE)
- CISA Known Exploited Vulnerabilities catalog
Latest tracked vulnerabilities
- CVE-2026-121100 HIGH 8.8
- CVE-2026-121094 HIGH 8.8
- CVE-2026-121097 HIGH 8.8
- CVE-2026-121098 HIGH 8.3
- CVE-2026-121086 CRITICAL 9.6
- CVE-2026-121089 CRITICAL 9.6
- CVE-2026-121090 HIGH 8.3
- CVE-2026-121092 HIGH 8.8
- CVE-2026-121078 HIGH 8.8
- CVE-2026-121079 HIGH 8.8