CVE-2026-4541
Severity CVSS v4.0:
LOW
Type:
CWE-345
Insufficient Verification of Data Authenticity
Publication date:
22/03/2026
Last modified:
23/03/2026
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.
Impact
Base Score 4.0
2.00
Severity 4.0
LOW
Base Score 3.x
2.50
Severity 3.x
LOW
Base Score 2.0
1.00
Severity 2.0
LOW
References to Advisories, Solutions, and Tools
- https://github.com/janmojzis/tinyssh/
- https://github.com/janmojzis/tinyssh/commit/9c87269607e0d7d20174df742accc49c042cff17
- https://github.com/janmojzis/tinyssh/issues/101
- https://github.com/janmojzis/tinyssh/issues/101#issue-3983586116
- https://github.com/janmojzis/tinyssh/pull/102
- https://github.com/janmojzis/tinyssh/releases/tag/20260301
- https://vuldb.com/?ctiid_352358=
- https://vuldb.com/?id_352358=
- https://vuldb.com/?submit_774687=