Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 7.5 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0035, the 29th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:46 UTC First seen by agentprime
- 31 Oct 2026, 14:46 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-wg65-39gg-5wfj
- OSV: GHSA-wg65-39gg-5wfj
- github.com/prometheus/prometheus/security/advisories/GHSA-wg65-39gg-5wfj
- nvd.nist.gov/vuln/detail/CVE-2026-42151
- github.com/prometheus/prometheus/pull/18590
- github.com/prometheus/prometheus/pull/18587
- access.redhat.com/errata/RHSA-2026:60388
- access.redhat.com/errata/RHSA-2026:60387
- access.redhat.com/errata/RHSA-2026:60386
- access.redhat.com/errata/RHSA-2026:57191
- access.redhat.com/errata/RHSA-2026:56340
- access.redhat.com/errata/RHSA-2026:54427
- access.redhat.com/errata/RHSA-2026:54288
- access.redhat.com/errata/RHSA-2026:53530