CVE-2026-44405

LOWNVD 3.43.4—

3.4

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

CVSS v3: 3.4
EG Score: 3.4(high)
EPSS: 0.2%
KEV: Not listed

Published

May 6, 2026

Last Modified

May 7, 2026

References (2)

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
pip	paramiko	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
paramiko	0.1-bulbasaur ... 4.0.0 (150 versions)	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-327Use of a Broken or Risky Cryptographic Algorithm

Data Freshness Timeline

(refreshed 10× in last 7d / 14× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-21 22:43 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 14:23 UTCEG score recompute
2026-05-20 14:23 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-44405?

CVE-2026-44405 is a low vulnerability published on May 6, 2026. In Paramiko through 4.0.0 before a448945, rsakey.py allows the SHA-1 algorithm.

When was CVE-2026-44405 disclosed?

CVE-2026-44405 was first published in the National Vulnerability Database on May 6, 2026, with the most recent update on May 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-44405 actively exploited?

CVE-2026-44405 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-44405?

CVE-2026-44405 has a CVSS v3 base score of 3.4 (NVD).

How do I remediate CVE-2026-44405?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-44405, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-44405

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CVE-2026-44405

📅 Published

🔄 Last Modified

🔗 References (2)