GitLab Community Edition/Enterprise Edition up to 18.9.5/18.10.3/18.11.0 allocation of resources
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 18.9.5/18.10.3/18.11.0. It has been classified as problematic. This vulnerability affects unknown code. The manipulation leads to allocation of resources. This vulnerability is documented as CVE-2026-1660. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.
Details
A vulnerability, which was classified as problematic, has been found in GitLab Community Edition and Enterprise Edition up to 18.9.5/18.10.3/18.11.0. This issue affects an unknown code block. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. Impacted is availability. The summary by CVE is:
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.3 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user to cause denial of service when importing issues due to improper input validation.
The weakness was released by a92847865. The advisory is shared at hackerone.com. The identification of this vulnerability is CVE-2026-1660 since 01/29/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.
The vulnerability scanner Nessus provides a plugin with the ID 311019 (Linux Distros Unpatched Vulnerability : CVE-2026-1660), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 18.9.6, 18.10.4 or 18.11.1 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (311019). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
- 18.0
- 18.1
- 18.2
- 18.3
- 18.4
- 18.5
- 18.6
- 18.7
- 18.8
- 18.9
- 18.9.0
- 18.9.1
- 18.9.2
- 18.9.3
- 18.9.4
- 18.9.5
- 18.10
- 18.10.0
- 18.10.1
- 18.10.2
- 18.10.3
- 18.11.0
License
Website
- Vendor: https://gitlab.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 6.5
CNA Vector (GitLab): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Allocation of resourcesCWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 311019
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-1660
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Community Edition/Enterprise Edition 18.9.6/18.10.4/18.11.1
Timeline
01/29/2026 CVE reserved04/22/2026 Advisory disclosed
04/22/2026 VulDB entry created
04/30/2026 VulDB entry last update
Sources
Vendor: gitlab.comAdvisory: hackerone.com
Researcher: a92847865
Status: Confirmed
CVE: CVE-2026-1660 (🔒)
GCVE (CVE): GCVE-0-2026-1660
GCVE (VulDB): GCVE-100-359021
Entry
Created: 04/22/2026 19:00Updated: 04/30/2026 07:27
Changes: 04/22/2026 19:00 (64), 04/30/2026 07:27 (2)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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