Vulnerability Description
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.
CVSS Score
4.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 10.3.0, < 13.4.7 |
Related Weaknesses (CWE)
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26409.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/259626Broken Link
- https://hackerone.com/reports/990461Permissions Required
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26409.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/259626Broken Link
- https://hackerone.com/reports/990461Permissions Required
FAQ
What is CVE-2020-26409?
CVE-2020-26409 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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.
How severe is CVE-2020-26409?
CVE-2020-26409 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-26409?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.