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  4. CVE 2026 44405 paramiko rsakeypy allows the sha 1 algorithm
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Back to active CVEs
Low · CVSS 3.4CVE-2026-44405GHSA-R374-RXX8-8654

Paramiko rsakey.py allows the SHA-1 algorithmCVE-2026-44405

Answer in brief

CVE-2026-44405 records a Low severity (CVSS 3.4) vulnerability in Paramiko rsakey.py allows the SHA-1 algorithm. The current sources do not mark it as known exploited. The current feed maps paramiko (pip). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published May 6, 2026Updated Nov 7, 2026Source checked Nov 7, 2026First seen by HOL Nov 7, 2026Material review Nov 7, 2026
Upstream Advisory

Key facts

Risk
Low · CVSS 3.4
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 3.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps paramiko (pip). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
paramikopip<5.0.05.0.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for paramiko.
  2. 2Review the reported fix. Update paramiko to 5.0.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    May 6, 2026

    Evidence: source:ghsa:source_dates:source-dates:record

  2. Source modified

    Nov 7, 2026

    Evidence: source:ghsa:source_dates:source-dates:record

  3. First seen by HOL

    Nov 7, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • NVD vulnerability recordnvd.nist.gov
  • Source referenceostif.org
  • Source referencepypi.org
Upstream source description

In Paramiko through 4.0.0 before a448945, rsakey.py allows the SHA-1 algorithm.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-327
Source
GitHub Security Advisories
Source checked
Nov 7, 2026
References
7 linked sources
Open source record