Is CVE-2026-1659 actively exploited?

No active exploitation of CVE-2026-1659 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-1659 be exploited remotely?

Yes. CVE-2026-1659 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-1659?

CVE-2026-1659 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2026-1659

HIGH

CVE-2026-1659

CWE-770Published: May 14, 2026· Updated: May 15, 2026

7.5

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.1th

Official Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.0 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to cause denial of service by sending specially crafted requests due to insufficient input validation.

NVD Source

Technical Analysis

CVE-2026-1659 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.