CVE-2026-4541

LOW EPSS 0.3%
Published Mar 22, 20263mo ago · Modified Jun 17, 20261w ago
1.1 CVSS 4.0
Low
Find Similar
Published Mar 22, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
1.1
Exploitability
—
Impact
—
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
0.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-345
CWE-347

References 9

  • github.com https://github.com/janmojzis/tinyssh/
  • github.com https://github.com/janmojzis/tinyssh/commit/9c87269607e0d7d20174df742accc49c042cff17
  • github.com https://github.com/janmojzis/tinyssh/issues/101
  • github.com https://github.com/janmojzis/tinyssh/issues/101#issue-3983586116
  • github.com https://github.com/janmojzis/tinyssh/pull/102
  • github.com https://github.com/janmojzis/tinyssh/releases/tag/20260301
  • vuldb.com https://vuldb.com/submit/774687
  • vuldb.com https://vuldb.com/vuln/352358
  • vuldb.com https://vuldb.com/vuln/352358/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.