Is CVE-2026-4527 actively exploited?

No active exploitation of CVE-2026-4527 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4527 be exploited remotely?

Yes. CVE-2026-4527 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-4527?

CVE-2026-4527 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2026-4527

CWE-352Published: May 14, 2026· Updated: May 15, 2026

6.5

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:1.2th

Official Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 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 create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due to missing CSRF protection.

NVD Source

Technical Analysis

CVE-2026-4527 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.