4.6

CVE-2026-100755: gitlab

CVSS: 4.6v3.1MediumAnalyzed
AliasesCGA-29mj-c2pw-43xqCGA-3885-chjp-ghm3CGA-6cf6-3pvc-fx95
Published 13-10-2026Last modified 14-10-2026
Open JSON

Vulnerability summary

CVE-2026-100755 is a medium (CVSS 4.6) vulnerability in gitlab. EPSS estimates a 0.09% chance of exploitation in the next 30 days, higher than 0.4% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.6/10
010
Medium · v3.1 (NVD)
EPSS score
0.09%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

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 16.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain deployment configurations, could have allowed an authenticated user to poison cached page content served to other users due to improper cache key construction.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.09%

Chance of exploitation in the next 30 days

Percentile

0%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

13-10-202619-10-2026
EPSS score
0.09%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

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≥ 16.2, < 19.2.8 | ≥ 19.3, < 19.3.5 | ≥ 19.4, < 19.4.2 | ≥ 16.2.0, < 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

4 links