CVE-2026-35414

MEDIUMNVD 4.24.2—

4.2

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.

CVSS v3: 4.2
EG Score: 4.2(medium)
EPSS: 9.2%
KEV: Not listed

Published

April 2, 2026

Last Modified

April 10, 2026

References (3)

cve@mitrehttps://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2
cve@mitrehttps://www.openssh.org/releasenotes.html#10.3p1
cve@mitrehttps://www.openwall.com/lists/oss-security/2026/04/02/3

Vendor Advisories for CVE-2026-35414(11)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(9)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	ssh-askpass-gnome (1:10.0p1-5ubuntu5.4) @ questing	2026-05-20	ubuntu
redhat	openssh-0:9.9p1-7.el9_8	2026-05-19	redhat
redhat	openssh-0:9.9p1-23.el10_2	2026-05-19	redhat
redhat	openssh-0:8.7p1-45.el9_6.3	2026-05-11	redhat
redhat	discovery/discovery-server-rhel9:1778101579	2026-05-07	redhat
redhat	openssh-0:8.0p1-29.el8_10	2026-05-04	redhat
redhat	openssh-0:9.9p1-14.el10_1	2026-05-04	redhat
redhat	openssh-0:8.7p1-49.el9_7	2026-05-04	redhat
redhat	openssh-0:9.9p1-7.el10_0.3	2026-04-30	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

UbuntuUSN-8222-1MEDIUM
OpenSSH vulnerabilities

Data Freshness Timeline

(refreshed 6× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-20 19:22 UTCEG score recompute
2026-05-20 19:22 UTCVendor advisory
2026-05-20 19:22 UTCGHSA enrichment
2026-05-20 11:22 UTCepss_batch
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-35414?

CVE-2026-35414 is a medium vulnerability published on April 2, 2026. 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.

When was CVE-2026-35414 disclosed?

CVE-2026-35414 was first published in the National Vulnerability Database on April 2, 2026, with the most recent update on April 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-35414 actively exploited?

CVE-2026-35414 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-35414?

CVE-2026-35414 has a CVSS v3 base score of 4.2 (NVD).

How do I remediate CVE-2026-35414?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-35414, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-35414

📅 Published

🔄 Last Modified

🔗 References (3)

📣 Vendor Advisories for CVE-2026-35414(11)