{"schema_version":1,"title":"OAuthlib vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in OAuthlib: 0 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-49272, was published on 5 November 2026. 4 vulnerabilities in the last four weeks, up from none in the four before. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/oauthlib","json_url":"https://junglewise.ai/threats/vendors/oauthlib.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/vendors/oauthlib","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","thin":false,"counts":{"high":2,"all_time":5,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":2,"last_90_days":4,"last_365_days":4},"latest":[{"cve":"CVE-2026-49272","cvss":8.5,"slug":"cve-2026-49272-oauthlib-bearer-token-can-be-retrieved-as-long-as-client-knows-a","title":"OAuthLib device code grant missing validation","severity":"high","exploited":false,"published_at":"2026-11-05T21:18:50.447+00:00","url":"https://junglewise.ai/threats/cve-2026-49272-oauthlib-bearer-token-can-be-retrieved-as-long-as-client-knows-a"},{"cve":"CVE-2026-118669","cvss":4,"epss":0.0031,"slug":"cve-2026-118669-oauthlib-is-an-implementation-of-the-oauth-request-signing-logic","title":"OAuthLib client authentication bypass in token grants","severity":"high","exploited":false,"published_at":"2026-10-28T22:17:12.61+00:00","url":"https://junglewise.ai/threats/cve-2026-118669-oauthlib-is-an-implementation-of-the-oauth-request-signing-logic"},{"cve":"CVE-2026-49265","cvss":6.8,"epss":0.0038,"slug":"cve-2026-49265-oauthlib-timing-attack-vulnerability-in-pkce-code-verifier","title":"OAuthlib timing attack in PKCE code_verifier comparison","severity":"medium","exploited":false,"published_at":"2026-10-13T16:17:20.713+00:00","url":"https://junglewise.ai/threats/cve-2026-49265-oauthlib-timing-attack-vulnerability-in-pkce-code-verifier"},{"cve":"CVE-2026-49264","cvss":6.1,"epss":0.0031,"slug":"cve-2026-49264-oauthlib-unsafe-jsonp-callback-injection-in-revocationendpoint","title":"oauthlib unsafe JSONP callback injection in RevocationEndpoint","severity":"medium","exploited":false,"published_at":"2026-10-13T16:17:20.56+00:00","url":"https://junglewise.ai/threats/cve-2026-49264-oauthlib-unsafe-jsonp-callback-injection-in-revocationendpoint"},{"cve":"CVE-2022-36087","cvss":3.1,"epss":0.0166,"slug":"cve-2022-36087-oauthlib-denial-of-service-in-uri-validation-with-malicious-ipv6","title":"oauthlib denial of service in URI validation with malicious IPv6","severity":"low","exploited":false,"published_at":"2022-09-09T21:15:00+00:00","url":"https://junglewise.ai/threats/cve-2022-36087-oauthlib-denial-of-service-in-uri-validation-with-malicious-ipv6"}],"vendor":{"hub":true,"name":"OAuthlib","slug":"oauthlib","description":"Python library for implementing OAuth 1.0 and 2.0 authentication protocols.","url":"https://junglewise.ai/threats/vendors/oauthlib"},"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":2},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-49272","cvss":8.5,"slug":"cve-2026-49272-oauthlib-bearer-token-can-be-retrieved-as-long-as-client-knows-a","title":"OAuthLib device code grant missing validation","severity":"high","exploited":false,"published_at":"2026-11-05T21:18:50.447+00:00","url":"https://junglewise.ai/threats/cve-2026-49272-oauthlib-bearer-token-can-be-retrieved-as-long-as-client-knows-a"},{"cve":"CVE-2026-118669","cvss":4,"epss":0.0031,"slug":"cve-2026-118669-oauthlib-is-an-implementation-of-the-oauth-request-signing-logic","title":"OAuthLib client authentication bypass in token grants","severity":"high","exploited":false,"published_at":"2026-10-28T22:17:12.61+00:00","url":"https://junglewise.ai/threats/cve-2026-118669-oauthlib-is-an-implementation-of-the-oauth-request-signing-logic"},{"cve":"CVE-2026-49265","cvss":6.8,"epss":0.0038,"slug":"cve-2026-49265-oauthlib-timing-attack-vulnerability-in-pkce-code-verifier","title":"OAuthlib timing attack in PKCE code_verifier comparison","severity":"medium","exploited":false,"published_at":"2026-10-13T16:17:20.713+00:00","url":"https://junglewise.ai/threats/cve-2026-49265-oauthlib-timing-attack-vulnerability-in-pkce-code-verifier"},{"cve":"CVE-2026-49264","cvss":6.1,"epss":0.0031,"slug":"cve-2026-49264-oauthlib-unsafe-jsonp-callback-injection-in-revocationendpoint","title":"oauthlib unsafe JSONP callback injection in RevocationEndpoint","severity":"medium","exploited":false,"published_at":"2026-10-13T16:17:20.56+00:00","url":"https://junglewise.ai/threats/cve-2026-49264-oauthlib-unsafe-jsonp-callback-injection-in-revocationendpoint"},{"cve":"CVE-2022-36087","cvss":3.1,"epss":0.0166,"slug":"cve-2022-36087-oauthlib-denial-of-service-in-uri-validation-with-malicious-ipv6","title":"oauthlib denial of service in URI validation with malicious IPv6","severity":"low","exploited":false,"published_at":"2022-09-09T21:15:00+00:00","url":"https://junglewise.ai/threats/cve-2022-36087-oauthlib-denial-of-service-in-uri-validation-with-malicious-ipv6"}],"generated_at":"2026-11-13T03:07:00.155039+00:00","technologies":[{"name":"OAuthlib","slug":"oauthlib-oauthlib","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/oauthlib-oauthlib"}]}