01 Record
CVE-2025-12734
Improper Encoding or Escaping of Output in GitLab
LowPUBLISHEDCNA: GitLab
CNA base score3.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
02 Description
Improper Encoding or Escaping of Output in GitLab
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.26% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 18.9% of scored records. A rank, not a probability.
- NVD base score
- 3.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-14.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-12-11 07:32Z10 MO AGO
- Last updated
- 2025-12-16 23:44Z10 MO AGO
- Reserved
- 2025-11-04
- Assigning CNA
- GitLab
- Record state
- PUBLISHED
- Severity
- Low (CVSS 3.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-116Improper Encoding or Escaping of OutputClass
- Data version
- 5.2
- Document digest
- 8845ab9428c292c8b52e3dd7da694b18c12ece54f5b83145b6cc09fdb467944e
05 Affected products
VendorProductVersionsPlatforms
06 References
- gitlab.comGitLab Issue #579573https://gitlab.com/gitlab-org/gitlab/-/issues/579573
- hackerone.comHackerOne Bug Bounty Report #3379381https://hackerone.com/reports/3379381
- about.gitlab.comhttps://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/
07 Remediation
Upgrade to versions 18.4.6, 18.5.4, 18.6.2 or above.
08 Fixed in
Ubuntu 16.04 LTS
- gitlab No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.