Low 3.4Published May 5, 2026

CVE-2026-44405In Paramiko through 4.0.0 before a448945, rsakey.py allows the SHA-1 algorithm.

Updated under an hour ago (Oct 27, 2026, 12:00 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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

CVSS: 3.4 LOW (v3.1, CNA)CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Weakness (CWE): CWE-327
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Awaiting Analysis
Record last updated: May 6, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Paramiko Paramiko paramiko:paramiko (from the name)	before a4489456b6f65281e172380cc4826cee5e851dbb	CNA record

References

References

https://github.com/paramiko/paramiko/commit/a4489456b6f65281e172380cc4826cee5e851dbb
https://ostif.org/wp-content/uploads/2026/05/25-11-2415-REP_paramiko-security-audit_v1.1.pdf

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.