CVE-2026-42154: Prometheus: remote read endpoint allows denial of service via crafted snappy payload
Overview
- Severity
- High (CVSS 7.5)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-May
- Released
- 2026-05-07
- Last Updated
- 2026-05-15
- EPSS Score
- 0.56% (percentile: 42.1%)
Detection & Weaponization (1 sources)
Maturity: Exploit
- GitHub PoC: 1 repositories
Affected Products (2)
Open Source Software
- cbl2 prometheus 2.37.9-7 on CBL Mariner 2.0
- azl3 telegraf 1.31.0-19 on Azure Linux 3.0
Revision History
- 2026-05-07: Information published.
- 2026-05-13: Information published.
- 2026-05-15: Information published.