GitLab Enterprise Edition up to 18.6.5/18.7.3/18.8.3 API Endpoint authorization
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.2 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in GitLab Enterprise Edition up to 18.6.5/18.7.3/18.8.3. This affects an unknown function of the component API Endpoint. This manipulation causes authorization. This vulnerability appears as CVE-2026-1080. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.
Details
A vulnerability was found in GitLab Enterprise Edition up to 18.6.5/18.7.3/18.8.3. It has been declared as problematic. Affected by this vulnerability is some unknown processing of the component API Endpoint. 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. The summary by CVE is:
GitLab has remediated an issue in GitLab EE affecting all versions from 16.7 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to access iteration data from private descendant groups by querying the iterations API endpoint.
The weakness was presented by go7f0. It is possible to read the advisory at gitlab.com. This vulnerability is known as CVE-2026-1080 since 01/16/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 298861 (GitLab 16.7 < 18.6.6 / 18.7 < 18.7.4 / 18.8 < 18.8.4 (CVE-2026-1080)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 18.6.6, 18.7.4 or 18.8.4 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (298861). Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
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: 298861
Nessus Name: GitLab 16.7 < 18.6.6 / 18.7 < 18.7.4 / 18.8 < 18.8.4 (CVE-2026-1080)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Enterprise Edition 18.6.6/18.7.4/18.8.4
Timeline
01/16/2026 CVE reserved02/11/2026 Advisory disclosed
02/11/2026 VulDB entry created
02/13/2026 VulDB entry last update
Sources
Vendor: gitlab.comAdvisory: gitlab.com
Researcher: go7f0
Status: Confirmed
CVE: CVE-2026-1080 (🔒)
GCVE (CVE): GCVE-0-2026-1080
GCVE (VulDB): GCVE-100-345463
Entry
Created: 02/11/2026 13:13Updated: 02/13/2026 13:20
Changes: 02/11/2026 13:13 (65), 02/13/2026 13:20 (2)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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