{"action":"Upgrade github.com/grafana/loki/v3 to 3.6.4 or later.","affected":[{"fixed":"3.6.4","introduced":"0"}],"component":"github.com/grafana/loki/v3","cve_ids":["CVE-2026-21726"],"ecosystem":"Go","epss":0.00409,"exploited":false,"fixed_versions":["3.6.4"],"ghsa_id":"GHSA-497x-rrr9-68jp","id":"tcs_01M5KEW84VH9SYFJC3KFBYWNAJ","modified_at":"2026-09-10T03:51:00.938890119Z","published_at":"2026-04-15T21:30:18Z","references":["https://osv.dev/vulnerability/GHSA-497x-rrr9-68jp","https://nvd.nist.gov/vuln/detail/CVE-2026-21726","https://github.com/grafana/loki","https://grafana.com/security/security-advisories/cve-2026-21726"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-497x-rrr9-68jp","url":"https://osv.dev/vulnerability/GHSA-497x-rrr9-68jp"}],"summary":"Grafana Loki Path Traversal - CVE-2021-36156 Bypass"}