6.5

CVE-2025-2934: gitlab

CVSS: 6.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-2934CGA-3fg7-25cx-v8chCGA-3wf4-cwr9-3q5h
Published 09-10-2025Last modified 09-10-2025
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Vulnerability summary

CVE-2025-2934 is a medium (CVSS 6.5) vulnerability in gitlab. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.53%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 0 · Related 1
CGA-M3HJ-QWJC-G2MH

Timeline

  1. 09-10-2025
    PublishedVulnerability first disclosed.
  2. 09-10-2025
    Last modifiedVulnerability information updated.

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 5.2 prior to 18.2.8, 18.3 prior to 18.3.4, and 18.4 prior to 18.4.2 that could have allowed an authenticated attacker to create a denial of service condition by configuring malicious webhook endpoints that send crafted HTTP responses.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.53%

Chance of exploitation in the next 30 days

Percentile

44%

Versus all other CVEs

30-day change

0.00 pp

From 0.53% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.53%

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

Chainguard8 products
  • gitlab-rails-ce-18.1< 18.1.6-r3
  • gitlab-rails-ce-assets-18.1< 18.1.6-r3
  • gitlab-rails-ce-assets-fips-18.1< 18.1.6-r4
  • gitlab-rails-ce-doc-18.1< 18.1.6-r3
  • gitlab-rails-ce-doc-fips-18.1< 18.1.6-r4
Gitlab1 product
  • gitlab≥ 5.2, < 18.2.8 | ≥ 18.3, < 18.3.4 | ≥ 18.4, < 18.4.2 | ≥ 5.2.0, < 18.2.8 | ≥ 18.3.0, < 18.3.4 | ≥ 18.4.0, < 18.4.2
Ubuntu1 product
  • gitlabAll versions (No fix recorded)

3 vendors · 10 products

References

7 links