CVE-2026-82837
Insertion of Sensitive Information Into Sent Data in GitLab
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that certain conditions could have allowed an authenticated user to access sensitive credentials and tokens without transiting the expected proxy due to improper authorization checks on internal data emission endpoints.
INFO
Published Date :
Sept. 15, 2026, 6:19 p.m.
Last Modified :
Sept. 28, 2026, 8:03 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | ceab7361-8a18-47b1-92ba-4d7d25f6715a | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update GitLab CE/EE to 19.1.8 or later.
- Update GitLab CE/EE to 19.2.6 or later.
- Update GitLab CE/EE to 19.3.2 or later.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-82837.
| URL | Resource |
|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/work_items/610136 | Broken Link |
| https://gitlab.com/gitlab-org/gitlab/-/work_items/626540 | Broken Link |
| https://hackerone.com/reports/3907835 | Permissions Required |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-82837 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-82837
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-82837 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-82837 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 28, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Added CWE CWE-522 Added CPE Configuration OR *cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* versions from (including) 19.2.0 up to (excluding) 19.2.6 *cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* versions from (including) 19.3.0 up to (excluding) 19.3.2 *cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* versions from (including) 19.2.0 up to (excluding) 19.2.6 *cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* versions from (including) 19.3.0 up to (excluding) 19.3.2 *cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* versions from (including) 10.1.0 up to (excluding) 19.1.8 *cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* versions from (including) 10.1.0 up to (excluding) 19.1.8 Added Reference Type GitLab Inc.: https://gitlab.com/gitlab-org/gitlab/-/work_items/610136 Types: Broken Link Added Reference Type GitLab Inc.: https://gitlab.com/gitlab-org/gitlab/-/work_items/626540 Types: Broken Link Added Reference Type GitLab Inc.: https://hackerone.com/reports/3907835 Types: Permissions Required -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 20, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-82837', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-20T00:35:29.056363Z'} -
New CVE Received by [email protected]
Sep. 15, 2026
Action Type Old Value New Value Added Description GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that certain conditions could have allowed an authenticated user to access sensitive credentials and tokens without transiting the expected proxy due to improper authorization checks on internal data emission endpoints. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Added CWE CWE-201 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/82xxx/CVE-2026-82837.json">CVE-2026-82837</a> Added Reference https://gitlab.com/gitlab-org/gitlab/-/work_items/610136 Added Reference https://gitlab.com/gitlab-org/gitlab/-/work_items/626540 Added Reference https://hackerone.com/reports/3907835