oauthlib
PyPI4 known CVEs affecting this package
Aggregated from OSV, GitHub Security Advisories, NVD, and vendor advisories. Each CVE links to its full detail page with vendor advisories, patches, fixed versions, and remediation guidance.
CVEs affecting oauthlibpage 1 of 1
- CVE-2022-36087MEDIUMCVSS 5.7EG 5.7fixed in 3.2.2 or 3.2.1, by version range2022-09-09
vulnerable: 3.1.1, 3.2.0
OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. In OAuthLib versions 3.1.1 until 3.2.1, an attacker providing malicious redirect uri can cause denial of service. An attacker can also leverage usage of `uri…
- CVE-2026-118669HIGHCVSS 8.4EG 8.4fixed in 4.0.02026-10-28
vulnerable: 0.0.1 ... 3.3.1 (52 versions)
OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. Prior to 4.0.0, the client_credentials and Resource Owner Password Credentials token grant handlers can authenticate request.client as one confidential clien…
- CVE-2026-49264MEDIUMCVSS 6.1EG 6.1fixed in 4.0.02026-09-29
vulnerable: 0.6.1 ... 3.3.1 (32 versions)
OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. From 0.6.1 until 4.0.0, OAuthLib's RevocationEndpoint in oauthlib/oauth2/rfc6749/endpoints/revocation.py reflects an unvalidated callback request parameter i…
- CVE-2026-49265MEDIUMCVSS 6.8EG 6.8fixed in 4.0.02026-09-29
vulnerable: 3.0.0 ... 3.3.1 (10 versions)
OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. From 3.0.0 until 4.0.0, OAuthLib's PKCE checks in oauthlib/oauth2/rfc6749/grant_types/authorization_code.py compare attacker-supplied code_verifier values wi…
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