Is CVE-2026-5952 in the CISA KEV catalog?

No. CVE-2026-5952 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-5952?

CVE-2026-5952 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2026-5952?

CVE-2026-5952 has an EPSS score of 0.19% (9th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-5952?

Upgrade gitlab to 19.0.3 or later.

CVE & CISA-KEV Catalog

CVE-2026-5952

MEDIUM

4.3

CVSS v3

NVD

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.11 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with developer-role permissions to bypass package protection rules and overwrite protected Maven package metadata due to incorrect authorization checks.

CWE-863Incorrect Authorization

How to fix

Remediation Available

gitlabNVD

Affected:>= 19.0.0, < 19.0.3Fixed in:19.0.3CVE-2026-5952derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

0.19%probability of exploitation in 30 days

9thpercentile

Low risk: more likely to be exploited than 9% of all known CVEs.

References

Vendor Advisory1

docs.gitlab.com

Other references2

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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-26.