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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-4541 Detail

Description

A flaw has been found in janmojzis tinyssh up to 20250501. Impacted is an unknown function of the file tinyssh/crypto_sign_ed25519_tinyssh.c of the component Ed25519 Signature Handler. This manipulation causes improper verification of cryptographic signature. The attack is restricted to local execution. The attack's complexity is rated as high. The exploitability is considered difficult. The exploit has been published and may be used. Upgrading to version 20260301 is recommended to address this issue. Patch name: 9c87269607e0d7d20174df742accc49c042cff17. Upgrading the affected component is recommended. If you want to get best quality of vulnerability data, you may have to visit VulDB.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulDB
CVSS-BT 2.0 LOW
Vector:  CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/janmojzis/tinyssh/ VulDB
https://github.com/janmojzis/tinyssh/commit/9c87269607e0d7d20174df742accc49c042cff17 VulDB
https://github.com/janmojzis/tinyssh/issues/101 VulDB
https://github.com/janmojzis/tinyssh/issues/101#issue-3983586116 VulDB
https://github.com/janmojzis/tinyssh/pull/102 VulDB
https://github.com/janmojzis/tinyssh/releases/tag/20260301 VulDB
https://vuldb.com/?ctiid.352358 VulDB
https://vuldb.com/?id.352358 VulDB
https://vuldb.com/?submit.774687 VulDB

Weakness Enumeration

CWE-ID CWE Name Source
CWE-345 Insufficient Verification of Data Authenticity VulDB  
CWE-347 Improper Verification of Cryptographic Signature VulDB  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-4541
NVD Published Date:
03/22/2026
NVD Last Modified:
03/22/2026
Source:
VulDB