CVE-2026-23493
Pimcore ENV Variables and Cookie Informations are exposed in http_error_log
Description
Pimcore is an Open Source Data & Experience Management Platform. Prior to 12.3.1 and 11.5.14, the http_error_log file stores the $_COOKIE and $_SERVER variables, which means sensitive information such as database passwords, cookie session data, and other details can be accessed or recovered through the Pimcore backend. This vulnerability is fixed in 12.3.1 and 11.5.14.
INFO
Published Date :
Jan. 15, 2026, 5:16 p.m.
Last Modified :
Jan. 15, 2026, 7:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Pimcore to version 12.3.1 or later.
- Update Pimcore to version 11.5.14 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-2026-23493.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-23493 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-2026-23493
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-2026-23493 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-23493 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.
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CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 15, 2026
Action Type Old Value New Value Added Reference https://github.com/pimcore/pimcore/security/advisories/GHSA-q433-j342-rp9h -
New CVE Received by [email protected]
Jan. 15, 2026
Action Type Old Value New Value Added Description Pimcore is an Open Source Data & Experience Management Platform. Prior to 12.3.1 and 11.5.14, the http_error_log file stores the $_COOKIE and $_SERVER variables, which means sensitive information such as database passwords, cookie session data, and other details can be accessed or recovered through the Pimcore backend. This vulnerability is fixed in 12.3.1 and 11.5.14. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L Added CWE CWE-532 Added Reference https://github.com/pimcore/pimcore/commit/002ec7d5f84973819236796e5b314703b58e8601 Added Reference https://github.com/pimcore/pimcore/pull/18918 Added Reference https://github.com/pimcore/pimcore/releases/tag/v11.5.14 Added Reference https://github.com/pimcore/pimcore/releases/tag/v12.3.1 Added Reference https://github.com/pimcore/pimcore/security/advisories/GHSA-q433-j342-rp9h