VDB

CVE-2026-1456

CVE-2026-1456 PUBLISHED CVSS 7.5 HIGH

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.

EPSS 0.42% · 35.5th percentile

Risk Scores

CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.42%
35.5th percentile

Affected Products

VendorProductVersions
Bitnamigitlab18.7.0, 18.8.0
Bitnamigitlab18.7.0, 18.8.0

Timeline

  • Jan 26, 2026 CVE ID Reserved
  • Feb 10, 2026 CVE Published
  • Feb 11, 2026 EPSS Score
  • Feb 11, 2026 CVE Updated
  • Feb 14, 2026 EPSS Score
  • Feb 17, 2026 EPSS Score
  • Feb 19, 2026 EPSS Score
  • Feb 22, 2026 EPSS Score
  • Feb 25, 2026 EPSS Score
  • Feb 28, 2026 EPSS Score
  • Mar 3, 2026 EPSS Score
  • Mar 5, 2026 EPSS Score
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