CVE-2026-1516 json
Improper Control of Generation of Code ('Code Injection') in GitLab
published 2026-04-08 7 mo ago modified 2026-09-08 2 mo ago also BIT-gitlab-2026-1516 , EUVD-2026-20793
- cvss
- 5.7
- 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 38%
- public exploits
- 0
- none known
Summary
GitLab has remediated an issue in GitLab EE affecting all versions from 18.0.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that in Code Quality reports could have allowed an authenticated user to leak IP addresses of users viewing the report via specially crafted content.
Patch / fix
- bitnami gitlab 18.8.9, 18.9.5, 18.10.3
- GitLab GitLab 18.8.9, 18.9.5, 18.10.3
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 7 mo ago
Exploit prediction
0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- hackerone.com https://hackerone.com/reports/3514461 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N |
| OSV | 3.1 | 5.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | gitlab | >=18.0.0, <18.8.9 >=18.9.0, <18.9.5 >=18.10.0, <18.10.3 |
18.8.9 18.9.5 18.10.3 |
Affected products
- GitLab GitLab
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
- Technology feeds
References
-
hackerone.com
/reports/3514461
technical-description, exploit, permissions-required, web
-
about.gitlab.com
/releases/2026/04/08/patch-release-gitlab-18-10-3-released/
release-notes, vendor-advisory, advisory
-
gitlab.com
/gitlab-org/gitlab/-/work_items/587893
broken-link, web
-
nvd.nist.gov
/vuln/detail/CVE-2026-1516
web
Sources
- CVE List CVE-2026-1516
- NVD CVE-2026-1516
- OSV BIT-gitlab-2026-1516
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.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.