CVE-2026-16553: GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allo

mediumCVSS 5.4CVE-2026-16553

GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed some sensitive information to be disclosed to an unintended host due to improper handling of upstream requests in virtual registries.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: medium — CVSS 5.4
Published: 2026-07-29
Last updated: 2026-07-30
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-16553

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-165530.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-16553	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

high[NEW] [high] GitLab: Multiple vulnerabilitiescert-bund
unknownNCSC-2026-0270 [1.00] [M/M] Vulnerabilities fixed in GitLab by GitLab Inc.ncsc-nl
unknownGitLab Multiple Vulnerabilitieshkcert
unknownMultiple Vulnerabilities in GitLab (July 30, 2026)cert-fr-avis
criticalGitLab Patch Release: 19.2.1, 19.1.3, 19.0.5gitlab
criticalGitLab Patch Release: 19.2.1, 19.1.3, 19.0.5gitlab

Recent advisories for GitLab has remediated

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

mediumCVE-2026-6336: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.6 before 19.0.5, …nvd · 2026-07-29
highCVE-2026-6267: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1.0 before 19.0.5…nvd · 2026-07-29
mediumCVE-2026-4672: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 19.0.5, …nvd · 2026-07-29
mediumCVE-2026-3093: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.0 before 19.0.5, …nvd · 2026-07-29
highCVE-2026-15975: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.8 before 19.0.5,…nvd · 2026-07-29
mediumCVE-2026-15831: GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.3 and…nvd · 2026-07-29