CVE-2026-63374
2 advisories.
PyPI/anyio CVE-2026-63374: critical
AnyIO: TLSStream IDNA 2003 host name encoding enables potential TLS certificate spoofing
Action: Upgrade anyio to 4.14.2 or later.
pip install anyio==4.14.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.14.2 | - |
Fixed versions
| 4.14.2 |
Sources
- osv: GHSA-82r6-8w77-94w6
- https://github.com/agronholm/anyio/security/advisories/GHSA-82r6-8w77-94w6
- https://github.com/agronholm/anyio/pull/1208
- https://github.com/agronholm/anyio/commit/68f58915f82d9be8109ebbbd8f5d70577d43f2ce
- https://github.com/agronholm/anyio
- https://github.com/agronholm/anyio/releases/tag/4.14.2
CVE-2026-63374 · published · modified · JSON
PyPI/anyio CVE-2026-63374: unknown
AnyIO: TLSStream IDNA 2003 host name encoding enables potential TLS certificate spoofing
Action: Upgrade anyio to 4.14.2 or later.
pip install anyio==4.14.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.14.2 | - |
Fixed versions
| 4.14.2 |
Sources
- osv: PYSEC-2026-4025
- https://github.com/agronholm/anyio/security/advisories/GHSA-82r6-8w77-94w6
- https://github.com/agronholm/anyio/pull/1208
- https://github.com/agronholm/anyio/commit/68f58915f82d9be8109ebbbd8f5d70577d43f2ce
- https://github.com/agronholm/anyio
- https://github.com/agronholm/anyio/releases/tag/4.14.2
- https://pypi.org/project/anyio
- https://github.com/advisories/GHSA-82r6-8w77-94w6
- https://nvd.nist.gov/vuln/detail/CVE-2026-63374
CVE-2026-63374 · published · modified · JSON