CVE-2026-12053
Insertion of Sensitive Information into Log File in GitLab
Description
GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.1 that under certain conditions could have allowed a user to access sensitive information that had already been committed to a project, due to insufficient output filtering in Duo Workflows.
INFO
Published Date :
June 25, 2026, 5:16 a.m.
Last Modified :
June 26, 2026, 6:33 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 | HIGH | ceab7361-8a18-47b1-92ba-4d7d25f6715a | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update GitLab EE to 19.1.1 or later.
- Apply vendor patches and updates promptly.
- Review output filtering for sensitive data.
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-2026-12053.
| URL | Resource |
|---|---|
| https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/ | Release Notes Vendor Advisory |
| https://gitlab.com/gitlab-org/gitlab/-/work_items/602194 | Broken Link |
| https://hackerone.com/reports/3757762 | 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-2026-12053 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-2026-12053
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-2026-12053 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-12053 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]
Jun. 26, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added CPE Configuration OR *cpe:2.3:a:gitlab:gitlab:19.1.0:*:*:*:enterprise:*:*:* Added Reference Type GitLab Inc.: https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/ Types: Release Notes, Vendor Advisory Added Reference Type GitLab Inc.: https://gitlab.com/gitlab-org/gitlab/-/work_items/602194 Types: Broken Link Added Reference Type GitLab Inc.: https://hackerone.com/reports/3757762 Types: Permissions Required -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 25, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-12053', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-25T13:17:13.971317Z'} -
New CVE Received by [email protected]
Jun. 25, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*'], 'repo': 'git://[email protected]:gitlab-org/gitlab.git', 'vendor': 'GitLab', 'product': 'GitLab', 'versions': [{'status': 'affected', 'version': '19.1', 'lessThan': '19.1.1', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] Added Description GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.1 that under certain conditions could have allowed a user to access sensitive information that had already been committed to a project, due to insufficient output filtering in Duo Workflows. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N Added CWE CWE-532 Added Reference https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/ Added Reference https://gitlab.com/gitlab-org/gitlab/-/work_items/602194 Added Reference https://hackerone.com/reports/3757762