CVE-2026-35414
HIGHCVSS 8.1/10EPSS 0.18%
Last modified
CVE-2026-35414 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openssh | < 10.3 |
References
- https://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2Mailing List, Third Party Advisory
- https://www.openssh.org/releasenotes.html#10.3p1Release Notes
- https://www.openwall.com/lists/oss-security/2026/04/02/3Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is 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.
How severe is CVE-2026-35414?
CVE-2026-35414 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-35414?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-35414?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST