{"action":"Upgrade oauthlib to 4.0.0 or later.","affected":[{"fixed":"4.0.0","introduced":"0.6.1"}],"component":"oauthlib","cve_ids":["CVE-2026-49264"],"ecosystem":"PyPI","epss":0.00314,"exploited":false,"fixed_versions":["4.0.0"],"ghsa_id":"GHSA-hj66-6f7g-4r5v","id":"tcs_01M5KHA05M88KFAR0R0ER17ATF","modified_at":"2026-10-01T17:45:09.269008793Z","published_at":"2026-10-01T16:38:39.971554Z","references":["https://osv.dev/vulnerability/PYSEC-2026-4113","https://github.com/oauthlib/oauthlib/security/advisories/GHSA-hj66-6f7g-4r5v","https://github.com/oauthlib/oauthlib/pull/951","https://github.com/oauthlib/oauthlib/commit/c888359f3c42bec235b2c5caab2069c9ed62457c","https://github.com/oauthlib/oauthlib","https://pypi.org/project/oauthlib","https://github.com/advisories/GHSA-hj66-6f7g-4r5v","https://nvd.nist.gov/vuln/detail/CVE-2026-49264"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-4113","url":"https://osv.dev/vulnerability/PYSEC-2026-4113"}],"summary":"Oauthlib : Unsafe JSONP callback injection in RevocationEndpoint allows arbitrary JavaScript response generation"}