CVE-2026-1456
Medium · 6.5CVSS
6.5
EPSS
0.4%
Published
Feb 11, 2026
CISA due date
—
The record
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through CPU exhaustion by submitting specially crafted markdown files that trigger exponential processing in markdown preview.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Chainguard | gitlab-docker-machine-18.7 | 0 | 18.7.2-r3 |
| Chainguard | gitlab-docker-machine-fips-18.7 | 0 | 18.7.2-r4 |
| Chainguard | gitlab-docker-machine-fips-18.8 | 0 | 18.8.0-r2 |
| Chainguard | gitlab-pages-fips-18.8 | 0 | 18.8.4-r0 |
| Chainguard | gitlab-rails-ce-assets-fips-18.7 | 0 | 18.7.4-r0 |
| Chainguard | gitlab-rails-ce-assets-fips-18.8 | 0 | 18.8.4-r0 |
| Chainguard | gitlab-rails-ce-doc-fips-18.7 | 0 | 18.7.4-r0 |
| Chainguard | gitlab-rails-ce-doc-fips-18.8 | 0 | 18.8.4-r0 |
| Chainguard | gitlab-rails-ce-fips-18.7 | 0 | 18.7.4-r0 |
| Chainguard | gitlab-rails-ce-fips-18.8 | 0 | 18.8.4-r0 |
| Chainguard | gitlab-runner-18.7 | 0 | 18.7.2-r3 |
| Chainguard | gitlab-runner-18.8 | 0 | 18.8.0-r1 |
| Chainguard | gitlab-runner-fips-18.7 | 0 | 18.7.2-r4 |
| Chainguard | gitlab-runner-fips-18.8 | 0 | 18.8.0-r2 |
| Chainguard | gitlab-runner-helper-18.7 | 0 | 18.7.2-r3 |
| Chainguard | gitlab-runner-helper-18.8 | 0 | 18.8.0-r1 |
| Chainguard | gitlab-runner-helper-compat-18.7 | 0 | 18.7.2-r3 |
| Chainguard | gitlab-runner-helper-compat-18.8 | 0 | 18.8.0-r1 |
| Chainguard | gitlab-runner-helper-compat-fips-18.7 | 0 | 18.7.2-r4 |
| Chainguard | gitlab-runner-helper-compat-fips-18.8 | 0 | 18.8.0-r2 |
| Chainguard | gitlab-runner-helper-fips-18.7 | 0 | 18.7.2-r4 |
| Chainguard | gitlab-runner-helper-fips-18.8 | 0 | 18.8.0-r2 |
| Chainguard | gitlab-runner-helper-oci-entrypoint-18.7 | 0 | 18.7.2-r3 |
| Chainguard | gitlab-runner-helper-oci-entrypoint-18.8 | 0 | 18.8.0-r1 |
| Chainguard | gitlab-runner-helper-oci-entrypoint-fips-18.7 | 0 | 18.7.2-r4 |
| Chainguard | gitlab-runner-helper-oci-entrypoint-fips-18.8 | 0 | 18.8.0-r2 |
| Chainguard | gitlab-runner-oci-entrypoint-18.7 | 0 | 18.7.2-r3 |
| Chainguard | gitlab-runner-oci-entrypoint-18.8 | 0 | 18.8.0-r1 |
| Chainguard | gitlab-runner-oci-entrypoint-fips-18.7 | 0 | 18.7.2-r4 |
| Chainguard | gitlab-runner-oci-entrypoint-fips-18.8 | 0 | 18.8.0-r2 |
| Wolfi | gitlab-docker-machine-18.7 | 0 | 18.7.2-r3 |
| Wolfi | gitlab-runner-18.7 | 0 | 18.7.2-r3 |
| Wolfi | gitlab-runner-18.8 | 0 | 18.8.0-r1 |
| Wolfi | gitlab-runner-helper-18.7 | 0 | 18.7.2-r3 |
| Wolfi | gitlab-runner-helper-18.8 | 0 | 18.8.0-r1 |
| Wolfi | gitlab-runner-helper-compat-18.7 | 0 | 18.7.2-r3 |
| Wolfi | gitlab-runner-helper-compat-18.8 | 0 | 18.8.0-r1 |
| Wolfi | gitlab-runner-helper-oci-entrypoint-18.7 | 0 | 18.7.2-r3 |
| Wolfi | gitlab-runner-helper-oci-entrypoint-18.8 | 0 | 18.8.0-r1 |
| Wolfi | gitlab-runner-oci-entrypoint-18.7 | 0 | 18.7.2-r3 |
| Wolfi | gitlab-runner-oci-entrypoint-18.8 | 0 | 18.8.0-r1 |
Related vulnerabilities
- CVE-2026-1182 GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.14 before… Also affects gitlab-docker-machine-18.7
- CVE-2026-1282 GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before… Also affects gitlab-docker-machine-18.7
- CVE-2026-1458 GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.0 before… Also affects gitlab-docker-machine-18.7
- CVE-2026-0595 GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.9 before… Also affects gitlab-docker-machine-18.7
- CVE-2026-1094 GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.8 before… Also affects gitlab-docker-machine-fips-18.8
- GHSA-3966-f6p6-2qr9 Duplicate Advisory: npm cli Uncontrolled Search Path Element Local Privilege Escalation… Also affects gitlab-rails-ce-assets-fips-18.7
- CVE-2026-0775 npm cli Incorrect Permission Assignment Local Privilege Escalation Vulnerability. Also affects gitlab-rails-ce-assets-fips-18.7
- CVE-2026-24001 jsdiff is a JavaScript text differencing implementation. Also affects gitlab-rails-ce-assets-fips-18.7