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Fencer Vulns
high 8.1

CVE-2026-2370 json

Improper Handling of Parameters in GitLab

published 2026-03-29 7 mo ago modified 2026-09-10 59 d ago also BIT-gitlab-2026-2370 , EUVD-2026-17046

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.3 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 affecting Jira Connect installations that could have allowed an authenticated user with minimal workspace permissions to obtain installation credentials and impersonate the GitLab app due to improper authorization checks.

Patch / fix

  • bitnami gitlab 18.8.7, 18.9.3, 18.10.1
  • GitLab GitLab 18.8.7, 18.9.3, 18.10.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-2370 updated cvss 8.1

GitLab: GitLab: Improper authorization allows credential disclosure and GitLab app impersonation

  • Red Hat OpenShift Pipelines openshift-pipelines/pipelines-console-plugin-rhel9 Red Hat OpenShift Container Platform 4 openshift4/ose-console, openshift4/ose-console-rhel9
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
7 mo ago

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • hackerone.com https://hackerone.com/reports/3522829 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CISA ADP 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
OSV 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
bitnami gitlab
>=14.3.0, <18.8.7
>=18.9.0, <18.9.3
>=18.10.0, <18.10.1
18.8.7
18.9.3
18.10.1

Affected products

  • GitLab GitLab
  • Red Hat OpenShift Pipelines
  • Red Hat Red Hat OpenShift Container Platform 4

Classification

Weakness
  • CWE-233 Improper Handling of Parameters
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.