# CVE-2026-119170: Regression in FIPS enforcement of hash algorithms affecting only Python 3.14.10

Status: published. Published: 2026-11-06. Updated: 2026-11-07.

There was a regression in how FIPS algorithms were enforced for the hashlib module. Only users that are using OpenSSL in FIPS mode are affected. Only Python 3.14.10 is affected, all other Python versions are unaffected.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: PSF) — https://github.com/python/cpython/pull/160984

## Affected products and versions

- Python Software Foundation / CPython: ≥ 3.14.10; < 3.14.11 (affected, python). Source: CNA: PSF

## Severity and prioritization

- CVSS 4.0: 8.2 (high); CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N; source: CNA: PSF

- CVSS 4.0: 8.2 (high); CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source: NVD: cna@python.org

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-693

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/python/cpython/issues/160923 (CNA: PSF; issue-tracking)

- https://mail.python.org/archives/list/security-announce@python.org/thread/PXVTTOBPUMFJSSUXN6XCS7FC5DZOSZXK/ (CNA: PSF; vendor-advisory)

- https://github.com/python/cpython/pull/160984 (CNA: PSF; patch)

- http://www.openwall.com/lists/oss-security/2026/11/06/30 (ADP: CVE)

- https://github.com/python/cpython/issues/160923 (cna@python.org)

- https://github.com/python/cpython/pull/160984 (cna@python.org)

- https://mail.python.org/archives/list/security-announce@python.org/thread/PXVTTOBPUMFJSSUXN6XCS7FC5DZOSZXK/ (cna@python.org)

## Provenance

- CNA: PSF: https://www.cve.org/CVERecord?id=CVE-2026-119170; retrieved 2026-11-07; source updated 2026-11-07

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-119170; retrieved 2026-11-07; source updated 2026-11-06

Revision: 5096686d67b49bb172a10519f917332ba58af7a5f6d690d4da2ecd6673b3d1d5

Canonical: https://y2.dev/cve/CVE-2026-119170

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