{"action":"Upgrade github.com/prometheus/prometheus to 0.305.2 or later.","affected":[{"fixed":"0.311.3","introduced":"0.306.0"},{"fixed":"0.305.2","introduced":"0"},{"introduced":"1.0.0-rc.0","last_affected":"2.5.0"}],"component":"github.com/prometheus/prometheus","cve_ids":["CVE-2026-42154"],"ecosystem":"Go","epss":0.00813,"exploited":false,"fixed_versions":["0.311.3","0.305.2"],"ghsa_id":"GHSA-8rm2-7qqf-34qm","id":"tcs_01M5KF4BQYDY0RHW0RY5KSHJ15","modified_at":"2026-09-10T03:50:46.300420602Z","published_at":"2026-05-05T19:34:05Z","references":["https://osv.dev/vulnerability/GHSA-8rm2-7qqf-34qm","https://github.com/prometheus/prometheus/security/advisories/GHSA-8rm2-7qqf-34qm","https://nvd.nist.gov/vuln/detail/CVE-2026-42154","https://github.com/prometheus/prometheus/pull/18584","https://github.com/prometheus/prometheus/pull/18585","https://github.com/prometheus/prometheus","https://github.com/prometheus/prometheus/releases/tag/v3.11.3","https://github.com/prometheus/prometheus/releases/tag/v3.5.3"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-8rm2-7qqf-34qm","url":"https://osv.dev/vulnerability/GHSA-8rm2-7qqf-34qm"}],"summary":"Prometheus: Remote read endpoint allows denial of service via crafted snappy payload"}