GitLab Community Edition/Enterprise Edition up to 18.9.6/18.10.5/18.11.2 authorization
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.2 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in GitLab Community Edition and Enterprise Edition up to 18.9.6/18.10.5/18.11.2. The affected element is an unknown function. Executing a manipulation can lead to authorization. This vulnerability is registered as CVE-2026-3074. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.
Details
A vulnerability has been found in GitLab Community Edition and Enterprise Edition up to 18.9.6/18.10.5/18.11.2 and classified as problematic. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. As an impact it is known to affect confidentiality. CVE summarizes:
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.7 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to download private debugging symbols from inaccessible projects due to improper access control.
The weakness was published by sndd. The advisory is shared for download at hackerone.com. This vulnerability was named CVE-2026-3074 since 02/23/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 316431 (Linux Distros Unpatched Vulnerability : CVE-2026-3074), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 18.9.7, 18.10.6 or 18.11.3 eliminates this vulnerability. The upgrade is hosted for download at about.gitlab.com.
The vulnerability is also documented in the vulnerability database at Tenable (316431). Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
- 18.9.0
- 18.9.1
- 18.9.2
- 18.9.3
- 18.9.4
- 18.9.5
- 18.9.6
- 18.10.0
- 18.10.1
- 18.10.2
- 18.10.3
- 18.10.4
- 18.10.5
- 18.11.0
- 18.11.1
- 18.11.2
License
Website
- Vendor: https://gitlab.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.2
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 4.3
CNA Vector (GitLab): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| 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: AuthorizationCWE: CWE-639 / CWE-285 / CWE-266
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: 316431
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-3074
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Community Edition/Enterprise Edition 18.9.7/18.10.6/18.11.3
Timeline
02/23/2026 CVE reserved05/14/2026 Advisory disclosed
05/14/2026 VulDB entry created
05/24/2026 VulDB entry last update
Sources
Vendor: gitlab.comAdvisory: hackerone.com
Researcher: sndd
Status: Confirmed
CVE: CVE-2026-3074 (🔒)
GCVE (CVE): GCVE-0-2026-3074
GCVE (VulDB): GCVE-100-363820
Entry
Created: 05/14/2026 08:45Updated: 05/24/2026 05:17
Changes: 05/14/2026 08:45 (65), 05/24/2026 05:17 (2)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.