CVE-2020-26405

Description

Path traversal vulnerability in package upload functionality in GitLab CE/EE starting from 12.8 allows an attacker to save packages in arbitrary locations. Affected versions are >=12.8, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.23%
Vendor Advisory gitlab.com
Affected: GitLab GitLab CE/EE
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/247371 broken link
https://hackerone.com/reports/835427 third party advisory permissions required
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26405.json vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-26405?
CVE-2020-26405 has been scored as a high severity vulnerability.
How to fix CVE-2020-26405?
To fix CVE-2020-26405, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-26405 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-26405 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-26405?
CVE-2020-26405 affects GitLab GitLab CE/EE.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.