CVE-2026-105711
Use of Cache Containing Sensitive Information in GitLab
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.0 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when a merge request in a public project referenced a confidential issue from a private project, an authenticated user with no project membership could have read the confidential issue's title, due to a viewer-independent fragment cache key that incorrectly shared per-user-redacted rendered content across all users.
INFO
Published Date :
Oct. 22, 2026, 1:16 a.m.
Last Modified :
Oct. 22, 2026, 1:16 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | LOW | ceab7361-8a18-47b1-92ba-4d7d25f6715a | ||||
| CVSS 3.1 | LOW | MITRE-CVE | ||||
| CVSS 3.1 | LOW | [email protected] |
Solution
- Update GitLab to version 19.3.6 or later.
- Update GitLab to version 19.4.3 or later.
- Update GitLab to version 19.5.1 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-2026-105711.
| URL | Resource |
|---|---|
| https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/ | |
| https://gitlab.com/gitlab-org/gitlab/-/work_items/632207 | |
| https://hackerone.com/reports/3963293 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-105711 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-2026-105711
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-2026-105711 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-105711 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.
-
New CVE Received by [email protected]
Oct. 22, 2026
Action Type Old Value New Value Added Description GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.0 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when a merge request in a public project referenced a confidential issue from a private project, an authenticated user with no project membership could have read the confidential issue's title, due to a viewer-independent fragment cache key that incorrectly shared per-user-redacted rendered content across all users. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N Added CWE CWE-524 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/105xxx/CVE-2026-105711.json">CVE-2026-105711</a> Added Reference https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/ Added Reference https://gitlab.com/gitlab-org/gitlab/-/work_items/632207 Added Reference https://hackerone.com/reports/3963293