Vulnerability · high · CVSS 8.2
Python 3.14.10 FIPS hash algorithm enforcement regression (CVE-2026-119170)
Tier A · Patch today – Before you go home
Who’s exposed: Python 3.14.10 users relying on FIPS hash algorithm enforcement
Tier A because: Core infrastructure or popular tool AND remote, no login AND full takeover
Reach
Attack
Damage
Fix
Popular tool · Remote, no login · Full takeover
The Brief
- A regression in Python 3.14.10 breaks FIPS enforcement of hash algorithms, tracked as CVE-2026-119170.
- The regression affects only Python 3.14.10, according to the oss-security post forwarding the Python security announcement.
- The issue was announced on the Python security announce list on 2026-11-06.
Why it matters
Developers running Python 3.14.10 in FIPS-regulated environments may find that hash algorithms are not restricted as FIPS requires, which can affect compliance.
The checklist behind the tier
Checklist · 4 of 10 yes
| Yes | Hits tech teams | Python is a language runtime developers build and run software with, so it falls under developer tools. |
| No | Core infrastructure | Python 3.14.10 is a language runtime, not core infrastructure like OpenSSH, the Linux kernel or OpenSSL. |
| Yes | Popular tool | Python is a widely used mainstream developer platform and language runtime. |
| No | Exploited in the wild | Oss-security post (Coopersmith, Nov 06) describes a regression; it reports no observed attacks. |
| No | Public exploit | Oss-security post describes a regression advisory; it reports no published exploit or PoC. |
| Yes | Remote, no login | CVSSCVE-2026-119170: CVSS 8.2 – network, no privileges, no user interaction |
| Yes | Full takeover | CISA SSVCCISA rates the technical impact of CVE-2026-119170 as total |
| No | Secrets exposed | Oss-security post describes a FIPS hash enforcement regression; it reports no data theft or exposure. |
| No | Supply chain | Oss-security post describes a FIPS hash enforcement regression; it reports no compromised package or build pipeline. |
| No | No fix yet | Oss-security post excerpt does not state that a fixed version is unavailable. |
The official record
From CVE.org, CISA’s Known Exploited Vulnerabilities catalog, FIRST EPSS and the GitHub Advisory Database. Where these answer a checklist fact, they win over the reporting.
CVE-2026-119170 ↗CVSS 8.2 high AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Regression in FIPS enforcement of hash algorithms affecting only Python 3.14.10
- Exploited
- Not in CISA’s exploited catalog
- Weakness
- CWE-693
Timeline
Source
[oss-security][CVE-2026-119170] Regression in FIPS enforcement of hash algorithms affecting only Python 3.14.10 ↗ Open Source Security · 3h ago
First seen · 1 source · Full story page · How tiers are decided