8.5

CVE-2026-16301: gitlab Incorrect Authorization

CVSS: 8.5v3.1HighAnalyzed
AliasesCGA-2c5w-h68m-mg9wCGA-33f9-fv7g-jqvwCGA-4367-95fh-qj9q
Published 13-10-2026Last modified 14-10-2026
Open JSON

Vulnerability summary

CVE-2026-16301 is a high (CVSS 8.5) Incorrect Authorization vulnerability in gitlab. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
44/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.5/10
010
High · v3.1 (NVD)
EPSS score
0.22%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 13-10-2026
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user with Developer role to execute CI/CD pipelines on protected branches without authorization due to improper authorization checks in the downstream pipeline creation service.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

13-10-202619-10-2026
EPSS score
0.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (hackerone.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Chainguard81 products
  • gitlab-docker-machine-19.2All versions (No fix recorded)
  • gitlab-docker-machine-19.3All versions (No fix recorded)
  • gitlab-docker-machine-19.4All versions (No fix recorded)
  • gitlab-docker-machine-fips-19.2All versions (No fix recorded)
  • gitlab-docker-machine-fips-19.3All versions (No fix recorded)
Wolfi12 products
  • gitlab-docker-machine-19.2All versions (No fix recorded)
  • gitlab-docker-machine-19.3All versions (No fix recorded)
  • gitlab-runner-19.2All versions (No fix recorded)
  • gitlab-runner-19.3All versions (No fix recorded)
  • gitlab-runner-helper-19.2All versions (No fix recorded)
Gitlab1 product
  • gitlab≥ 18.7, < 19.2.8 | ≥ 19.3, < 19.3.5 | ≥ 19.4, < 19.4.2 | ≥ 18.7.0, < 19.2.8 | ≥ 19.3.0, < 19.3.5 | ≥ 19.4.0, < 19.4.2
Ubuntu1 product
  • gitlabAll versions (No fix recorded)

4 vendors · 95 products

References

5 links