CVE-2026-1102NVD

Vulnerability Summary

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.

Severity Level

MEDIUM(5.3)

Published Date

Jan 22, 2026

Last Modified

Jan 26, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-770: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 5.3 (MEDIUM)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityNone

IntegrityNone

AvailabilityLow

Affected & Patched Versions

Affected Versions

Gitlab Gitlab >= 12.3.0 and < 18.6.4
Gitlab Gitlab >= 18.7.0 and < 18.7.2
Gitlab Gitlab >= 18.8.0 and < 18.8.2

Patched Versions

Gitlab Gitlab 18.6.4
Gitlab Gitlab 18.7.2
Gitlab Gitlab 18.8.2

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