VULNERABILITY INTELLIGENCE
CVE-2022-36087
CVSS score5.7 MEDIUM
EPSS probability1.67%
CISA KEVNot currently listed
Published2022-09-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Description
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_validate` functions depending where it is used. OAuthLib applications using OAuth2.0 provider support or use directly `uri_validate` are affected by this issue. Version 3.2.1 contains a patch. There are no known workarounds.
Weakness classification
- CWE-20: Improper Input Validation
- CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
Primary references
- security-advisories@github.com — Exploit, Third Party Advisory
- security-advisories@github.com — Exploit, Third Party Advisory
- security-advisories@github.com — Patch, Third Party Advisory
- security-advisories@github.com — Third Party Advisory
- security-advisories@github.com — Exploit, Mitigation, Third Party Advisory
- security-advisories@github.com
- security-advisories@github.com
- security-advisories@github.com
- security-advisories@github.com
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory