CVE-2019-15731 Missing authorization in n/a
Non-members can comment on merge requests in GitLab when restricted to project members, allowing unauthorized data modification.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-15731?
CVE-2019-15731 is a medium-severity missing authorization vulnerability in Gitlab Gitlab, published on 16 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in GitLab Community and Enterprise Edition 12.0 through 12.2.1. Non-members were able to comment on merge requests despite the repository being set to allow only project members to do so.
Weakness: CWE-918
Which versions are affected by CVE-2019-15731?
It affects 1 product.
Products include Gitlab Gitlab.
How do I fix CVE-2019-15731?
No fix has been published for CVE-2019-15731 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2019-15731 being exploited?
There is no known exploitation of CVE-2019-15731 in the wild and no public exploit code.
Other vulnerabilities in Gitlab Gitlab
- CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound
- CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal
- CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control
- CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution
- CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)
Sources
Also known as GHSA-8ggg-8hjr-fmv7.