GitLab 12.8.x before 12.8.6, when sign-up is enabled, allows remote attackers to bypass email domain restrictions within the two-day grace…

published 2020-03-12 6 y ago modified 2026-09-08 2 mo ago also BIT-gitlab-2020-10535 , EUVD-2020-2988

cvss: 5.3; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits: 0; none known

GitLab 12.8.x before 12.8.6, when sign-up is enabled, allows remote attackers to bypass email domain restrictions within the two-day grace period for an unconfirmed email address.

Patch / fix

fixed in 2

bitnami gitlab 12.8.6
gitlab gitlab 12.8.6

Exploit prediction

1.02% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N
OSV	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
bitnami	gitlab	>=12.8.0, <12.8.6	12.8.6

Classification

Technology feeds

GitLab rss critical rss

References

about.gitlab.com /releases/2020/03/11/critical-security-release-gitlab-12-dot-8-dot-6-released/
vendor-advisory, advisory
nvd.nist.gov /vuln/detail/CVE-2020-10535
web

Sources

Fencer Vulns 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.

Summary