CVE-2023-40577
Description
Alertmanager handles alerts sent by client applications such as the Prometheus server. An attacker with the permission to perform POST requests on the /api/v1/alerts endpoint could be able to execute arbitrary JavaScript code on the users of Prometheus Alertmanager. This issue has been fixed in Alertmanager version 0.2.51.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0.26.0+ds-1 |
| sid | Fixed | 0.26.0+ds-1 |
| forky | Fixed | 0.26.0+ds-1 |
| bullseye | Affected | — |
| bookworm | Affected | — |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/prometheus/alertmanager | <0.25.1 | 0.25.1 |
References
- https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5p7j
- https://nvd.nist.gov/vuln/detail/CVE-2023-40577
- https://github.com/prometheus/alertmanager
- https://lists.debian.org/debian-lts-announce/2023/10/msg00011.html
- https://www.suse.com/security/cve/CVE-2023-40577.html
- https://security-tracker.debian.org/tracker/CVE-2023-40577
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.