CVE-2020-26411
A potential DOS vulnerability was discovered in all versions of Gitlab starting from 13.4.x (>=13...
A potential DOS vulnerability was discovered in all versions of Gitlab starting from 13.4.x (>=13.4 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2). Using a specific query name for a project search can cause statement timeouts that can lead to a potential DOS if abused.
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
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
A potential DOS vulnerability was discovered in all versions of Gitlab starting from 13.4.x (>=13.4 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2). Using a specific query name for a project search can cause statement timeouts that can lead to a potential DOS if abused.
- Record
CVE-2020-26411- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
EUVDEUVD-2020-18958
A potential DOS vulnerability was discovered in all versions of Gitlab starting from 13.4.x (>=13.4 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2). Using a specific query name for a project search can cause statement timeouts that can lead to a potential DOS if abused.
- Record
EUVD-2020-18958- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2qvv-wf53-7c44 No score
A potential DOS vulnerability was discovered in all versions of Gitlab starting from 13.4.x (>=13...
A potential DOS vulnerability was discovered in all versions of Gitlab starting from 13.4.x (>=13.4 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2). Using a specific query name for a project search can cause statement timeouts that can lead to a potential DOS if abused.
- Record
GHSA-2qvv-wf53-7c44- Weakness
- CWE-404
- Updated
- 2026-11-02
NVD
A potential DOS vulnerability was discovered in all versions of Gitlab starting from 13.4.x (>=13.4 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2). Using a specific query name for a project search can cause statement timeouts that can lead to a potential DOS if abused.
- Record
CVE-2020-26411- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Weakness
- CWE-404
- Updated
- 2026-11-02
OSV
A potential DOS vulnerability was discovered in all versions of Gitlab starting from 13.4.x (>=13.4 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2). Using a specific query name for a project search can cause statement timeouts that can lead to a potential DOS if abused.
- Record
CVE-2020-26411- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-26411
A potential DOS vulnerability was discovered in all versions of Gitlab starting from 13.4.x (>=13.4 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2). Using a specific query name for a project search can cause statement timeouts that can lead to a potential DOS if abused.
- Record
UBUNTU-CVE-2020-26411- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
OSVBIT-gitlab-2020-26411 No score
A potential DOS vulnerability was discovered in all versions of Gitlab starting from 13.4.x (>=13.4 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2). Using a specific query name for a project search can cause statement timeouts that can lead to a potential DOS if abused.
- Record
BIT-gitlab-2020-26411- Updated
- 2026-11-02
Affected products
Affected packages
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-2020-26411 is a medium vulnerability (CVSS 4.3) in Gitlab, published December 11, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.22%, the 68th percentile. Fixed in gitlab 13.4.7.
References
gitlab.com/gitlab-org/gitlab/-/issues/260330
nvd.nist.gov/vuln/detail/CVE-2020-26411
github.com/advisories/GHSA-2qvv-wf53-7c44
ubuntu.com/security/CVE-2020-26411
about.gitlab.com/releases/2020/12/07/security-release-gitlab-13-6-2-released
cve.org/CVERecord?id=CVE-2020-26411