CVE-2026-78252 GitLab CE/EE - Cross Site Request Forgery

GitLab CE/EE >= 15.3 and < 19.1.8, 19.2 and < 19.2.6, 19.3 and < 19.3.2 contain a cross site request forgery caused by improper sanitization of user-controlled data in the Markdown JSON table renderer, letting authenticated attackers induce targeted users to perform unintended state-changing HTTP requests, exploit requires user interaction.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.27% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Cross Site Request Forgery
Impact
Cross Site Request Forgery
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-79

Vendor fix

Update to versions 19.1.8, 19.2.6, 19.3.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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