CVE-2019-12434
An issue was discovered in GitLab Community and Enterprise Edition 10.6 through 11.11. Users...
An issue was discovered in GitLab Community and Enterprise Edition 10.6 through 11.11. Users could guess the URL slug of private projects through the contrast of the destination URLs of issues linked in comments. It allows Information Disclosure.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in GitLab Community and Enterprise Edition 10.6 through 11.11. Users could guess the URL slug of private projects through the contrast of the destination URLs of issues linked in comments. It allows Information Disclosure.
- Record
CVE-2019-12434- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-330
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in GitLab Community and Enterprise Edition 10.6 through 11.11. Users could guess the URL slug of private projects through the contrast of the destination URLs of issues linked in comments. It allows Information Disclosure.
- Record
CVE-2019-12434- Updated
- 2026-11-02
EUVDEUVD-2019-4044 No score
An issue was discovered in GitLab Community and Enterprise Edition 10.6 through 11.11. Users could guess the URL slug of private projects through the contrast of the destination URLs of issues linked in comments. It allows Information Disclosure.
- Record
EUVD-2019-4044- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-75fp-hxc3-f56v No score
An issue was discovered in GitLab Community and Enterprise Edition 10.6 through 11.11. Users...
An issue was discovered in GitLab Community and Enterprise Edition 10.6 through 11.11. Users could guess the URL slug of private projects through the contrast of the destination URLs of issues linked in comments. It allows Information Disclosure.
- Record
GHSA-75fp-hxc3-f56v- Updated
- 2026-11-02
OSV
An issue was discovered in GitLab Community and Enterprise Edition 10.6 through 11.11. Users could guess the URL slug of private projects through the contrast of the destination URLs of issues linked in comments. It allows Information Disclosure.
- Record
CVE-2019-12434- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-12434 is a medium vulnerability (CVSS 4.3) in Gitlab, published March 10, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.75%, the 55th percentile. No source names a fixed version.