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Vulnerability Details :

CVE-2026-44405

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-05 May, 2026 | 23:50
Updated At-06 May, 2026 | 12:54
Rejected At-
Credits

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

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:05 May, 2026 | 23:50
Updated At:06 May, 2026 | 12:54
Rejected At:
▼CVE Numbering Authority (CNA)

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

Affected Products
Vendor
Paramiko
Product
Paramiko
Default Status
unaffected
Versions
Affected
  • From 0 before a4489456b6f65281e172380cc4826cee5e851dbb (git)
Problem Types
TypeCWE IDDescription
CWECWE-327CWE-327 Use of a Broken or Risky Cryptographic Algorithm
Type: CWE
CWE ID: CWE-327
Description: CWE-327 Use of a Broken or Risky Cryptographic Algorithm
Metrics
VersionBase scoreBase severityVector
3.13.4LOW
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Version: 3.1
Base score: 3.4
Base severity: LOW
Vector:
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/paramiko/paramiko/commit/a4489456b6f65281e172380cc4826cee5e851dbb
N/A
https://ostif.org/wp-content/uploads/2026/05/25-11-2415-REP_paramiko-security-audit_v1.1.pdf
N/A
Hyperlink: https://github.com/paramiko/paramiko/commit/a4489456b6f65281e172380cc4826cee5e851dbb
Resource: N/A
Hyperlink: https://ostif.org/wp-content/uploads/2026/05/25-11-2415-REP_paramiko-security-audit_v1.1.pdf
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:06 May, 2026 | 00:16
Updated At:07 May, 2026 | 15:53

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

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.13.4LOW
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 3.4
Base severity: LOW
Vector:
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-327Primarycve@mitre.org
CWE ID: CWE-327
Type: Primary
Source: cve@mitre.org
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/paramiko/paramiko/commit/a4489456b6f65281e172380cc4826cee5e851dbbcve@mitre.org
N/A
https://ostif.org/wp-content/uploads/2026/05/25-11-2415-REP_paramiko-security-audit_v1.1.pdfcve@mitre.org
N/A
Hyperlink: https://github.com/paramiko/paramiko/commit/a4489456b6f65281e172380cc4826cee5e851dbb
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://ostif.org/wp-content/uploads/2026/05/25-11-2415-REP_paramiko-security-audit_v1.1.pdf
Source: cve@mitre.org
Resource: N/A

Change History

0
Information is not available yet

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