GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.3 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 that could have allowed an unauthenticated user to create a denial of service condition by sending repeated malformed SSH authentication requests.
CVE-2026-1102
MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence
Score 5.3 from GitHub Security Advisory published 2026-01-22. NVD baseline CVSS 5.3; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.3Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.3
- EG Score
- 5.3(medium)
- EPSS
- 41.4%
- KEV
- Not listed
Published
January 22, 2026
Last Modified
January 26, 2026
References (2)
Vendor Advisories for CVE-2026-1102(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Frequently asked(5)
What is CVE-2026-1102?
CVE-2026-1102 is a medium vulnerability published on January 22, 2026. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.3 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 that could have allowed an unauthenticated user to create a denial of service condition by sending repeated malformed SSH authentication requests.
When was CVE-2026-1102 disclosed?
CVE-2026-1102 was first published in the National Vulnerability Database on January 22, 2026, with the most recent update on January 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-1102 actively exploited?
CVE-2026-1102 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 41.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-1102?
CVE-2026-1102 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-1102?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-1102, 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
Explore the affected products and dependency analysis for CVE-2026-1102
Is Your Infrastructure Affected by CVE-2026-1102?
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