Vulnerability in OpenBSD OpenSSH
CVE-2026-35414
OpenSSH before 10.3 mishandles the authorized_keys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (13.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.001
Affected products
- OpenBSD OpenSSH — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openssh.org/releasenotes.html (Release Notes)
- marc.info/ (Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2026/04/02/3 (Third Party Advisory)
Frequently asked questions
- What is CVE-2026-35414?
- CVE-2026-35414 is a medium-severity vulnerability in OpenBSD OpenSSH, classified under Always-Incorrect Control Flow Implementation. CVSS score: 4.2/10. Published 2026-04-02.
- How severe is CVE-2026-35414?
- Medium severity. CVSS v3 base score is 4.2 out of 10.
- Is CVE-2026-35414 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.