01 Record
CVE-2026-90970
Improper Neutralization of Special Elements Used in a Template Engine in GitLab AI Gateway
CriticalPUBLISHEDCNA: GitLab
CNA base score9.9 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
02 Description
Improper Neutralization of Special Elements Used in a Template Engine in GitLab AI Gateway
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 ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 17.48% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 97.1% of scored records. A rank, not a probability.
- NVD base score
- 9.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-02.
- 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
- 2026-10-02 14:34Z26 DAYS AGO
- Last updated
- 2026-10-02 16:48Z26 DAYS AGO
- Reserved
- 2026-09-14
- Assigning CNA
- GitLab
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.9)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-1336Improper Neutralization of Special Elements Used in a Template EngineBase
- Data version
- 5.2
- Document digest
- fc91ff87c4bb64f800a4eb898237794084eaf51abea7b1c330320cefcfaadcc9
05 Affected products
VendorProductVersionsPlatforms
06 References
07 Remediation
Upgrade to version 19.2.4, 19.3.2, 19.4.1 or above.