An issue was discovered in GitLab Community Edition (CE) and Enterprise Edition (EE) before 12.7.9, 12.8.x before 12.8.9, and 12.9.x before…

published 2020-04-22 6y ago modified 2026-09-08 2mo ago also BIT-gitlab-2020-11505 , EUVD-2020-3858

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

An issue was discovered in GitLab Community Edition (CE) and Enterprise Edition (EE) before 12.7.9, 12.8.x before 12.8.9, and 12.9.x before 12.9.3. A Workhorse bypass could lead to NuGet package and file disclosure (Exposure of Sensitive Information) via request smuggling.

Patch / fix

fixed in 2

bitnami gitlab 12.7.9, 12.8.9, 12.9.3
gitlab gitlab 12.7.9, 12.8.9, 12.9.3

Is CVE-2020-11505 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N
OSV	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
bitnami	gitlab	<12.7.9 >=12.8.0, <12.8.9 >=12.9.0, <12.9.3	12.7.9 12.8.9 12.9.3

Classification

Weakness

CWE-444 Inconsistent Interpretation of HTTP Requests

Technology feeds

GitLab rss critical rss

References

about.gitlab.com /blog/categories/releases/
vendor-advisory, advisory
about.gitlab.com /releases/2020/04/14/critical-security-release-gitlab-12-dot-9-dot-3-released/
vendor-advisory, advisory
nvd.nist.gov /vuln/detail/CVE-2020-11505
web

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.