Go/github.com/prometheus/prometheus CVE-2026-42154: high 7.5, EPSS 0.81%
Prometheus: Remote read endpoint allows denial of service via crafted snappy payload in github.com/prometheus/prometheus
Action: Upgrade github.com/prometheus/prometheus to 0.305.2 or later.
go get github.com/prometheus/prometheus@v0.305.2go get github.com/prometheus/prometheus@v0.311.3Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 0.305.2 | - |
| 0.306.0 | 0.311.3 | - |
| 1.0.0-rc.0 | - | - |
Fixed versions
| 0.305.2 | 0.311.3 |
Sources
- osv: GO-2026-5264
- nvd: CVE-2026-42154
- https://github.com/prometheus/prometheus/security/advisories/GHSA-8rm2-7qqf-34qm
- https://github.com/prometheus/prometheus/pull/18584
- https://github.com/prometheus/prometheus/pull/18585
- https://github.com/prometheus/prometheus/releases/tag/v3.11.3
- https://github.com/prometheus/prometheus/releases/tag/v3.5.3
CVE-2026-42154 · published · modified · JSON