CVE-2024-4099 json
Improper Encoding or Escaping of Output in GitLab
published 2024-09-26 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-32661
- cvss
- 3.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
An issue has been discovered in GitLab EE affecting all versions starting from 16.0 prior to 17.2.8, from 17.3 prior to 17.3.4, and from 17.4 prior to 17.4.1. An AI feature was found to read unsanitized content in a way that could have allowed an attacker to hide prompt injection.
Patch / fix
- GitLab GitLab 17.2.8, 17.3.4, 17.4.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- hackerone.com https://hackerone.com/reports/2459597 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected products
- GitLab GitLab
Classification
- Weakness
-
- CWE-116 Improper Encoding or Escaping of Output
- Technology feeds
References
-
hackerone.com
/reports/2459597
technical-description, exploit, permissions-required
-
gitlab.com
/gitlab-org/gitlab/-/issues/457798
issue-tracking, permissions-required, broken-link
Sources
- CVE List CVE-2024-4099
- NVD CVE-2024-4099
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.