CVE-2026-49265
2 advisories.
PyPI/oauthlib CVE-2026-49265: medium 6.8, EPSS 0.38%
Oauthlib: Timing Attack Vulnerability in PKCE code_verifier Comparison (CWE-208)
Action: Upgrade oauthlib to 4.0.0 or later.
pip install oauthlib==4.0.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 3.0.0 | 4.0.0 | - |
Fixed versions
| 4.0.0 |
Sources
- osv: GHSA-xpv3-w29h-x7cv
- https://github.com/oauthlib/oauthlib/security/advisories/GHSA-xpv3-w29h-x7cv
- https://nvd.nist.gov/vuln/detail/CVE-2026-49265
- https://github.com/oauthlib/oauthlib/pull/963
- https://github.com/oauthlib/oauthlib/commit/40b0ab56da3682c2484a4b78bbff309f8025d950
- https://github.com/oauthlib/oauthlib
- https://github.com/pypa/advisory-database/tree/main/vulns/oauthlib/PYSEC-2026-4114.yaml
CVE-2026-49265 · published · modified · JSON
PyPI/oauthlib CVE-2026-49265: medium 6.8, EPSS 0.38%
Oauthlib: Timing Attack Vulnerability in PKCE code_verifier Comparison (CWE-208)
Action: Upgrade oauthlib to 4.0.0 or later.
pip install oauthlib==4.0.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 3.0.0 | 4.0.0 | - |
Fixed versions
| 4.0.0 |
Sources
- osv: PYSEC-2026-4114
- https://github.com/oauthlib/oauthlib/security/advisories/GHSA-xpv3-w29h-x7cv
- https://github.com/oauthlib/oauthlib/pull/963
- https://github.com/oauthlib/oauthlib/commit/40b0ab56da3682c2484a4b78bbff309f8025d950
- https://github.com/oauthlib/oauthlib
- https://pypi.org/project/oauthlib
- https://github.com/advisories/GHSA-xpv3-w29h-x7cv
- https://nvd.nist.gov/vuln/detail/CVE-2026-49265
CVE-2026-49265 · published · modified · JSON