Resource exhaustion in Gitlab

CVE-2020-26409

A DOS vulnerability exists in Gitlab CE/EE >=10.3, <13.4.7,>=13.5, <13.5.5,>=13.6, <13.6.2 that allows an attacker to trigger uncontrolled resource by bypassing input validation in markdown fields.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.012 (66.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-26409?
CVE-2020-26409 is a medium-severity vulnerability in Gitlab, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2020-12-11.
How severe is CVE-2020-26409?
Medium severity. CVSS v3 base score is 4.3 out of 10.