{"action":"Upgrade lemur to 1.9.2 or later.","affected":[{"fixed":"1.9.2","introduced":"0"}],"component":"lemur","cve_ids":["CVE-2026-55163"],"ecosystem":"PyPI","epss":0.00216,"exploited":false,"fixed_versions":["1.9.2"],"ghsa_id":"GHSA-x3vf-mgxj-7785","id":"tcs_01M5KH0CJ7XG0GQ57MWF00343K","modified_at":"2026-07-13T16:32:03.185964395Z","published_at":"2026-07-13T15:46:24.254728Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2591","https://github.com/Netflix/lemur/security/advisories/GHSA-x3vf-mgxj-7785","https://github.com/Netflix/lemur","https://github.com/Netflix/lemur/releases/tag/v1.9.2","https://pypi.org/project/lemur","https://github.com/advisories/GHSA-x3vf-mgxj-7785","https://nvd.nist.gov/vuln/detail/CVE-2026-55163"],"severity":{"label":"medium","score":6.3},"sources":[{"source":"osv","source_id":"PYSEC-2026-2591","url":"https://osv.dev/vulnerability/PYSEC-2026-2591"}],"summary":"Lemur Privilege Escalation: Non-admin role members can rewrite role membership via PUT /api/1/roles/<id>"}