Vulnerability details

CVE-2026-2370

GitLab GitLab

Improper Handling of Parameters in GitLab

CVSS 3.1

8.1High

Official description

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.

CVSS scores

Score	Version	Source	Vector
8.1High	3.1	CVEProject cvelistV5 (CNA) (GitLab)	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N`
8.1High	3.1	CVEProject cvelistV5 (CNA) (redhat-SADP)	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N`

Affected products

Vendor	Product	Versions	Source
GitLab	GitLab	14.3 ≤ v < 18.8.7	CVEProject cvelistV5 (CNA)
GitLab	GitLab	18.10 ≤ v < 18.10.1	CVEProject cvelistV5 (CNA)
GitLab	GitLab	18.9 ≤ v < 18.9.3	CVEProject cvelistV5 (CNA)

References and advisories

https://hackerone.com/reports/3522829 technical-descriptionexploitpermissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/589635
https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/
https://access.redhat.com/security/cve/CVE-2026-2370 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2452920 issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2370.json x_sadp-csaf-vex

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Details

Published: 2026-03-30
Last updated: 2026-07-15
State: Published
Assigner (CNA): GitLab

Exploit prediction (EPSS)

0.44%

Probability of exploitation in 30 days

39.1%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-233
Improper Handling of Parameters