CVE-2026-23493: Pimcore ENV Variables and Cookie Informations are exposed in http_error_log
Vulnerability summary
CVE-2026-23493 is a high (CVSS 8.6) vulnerability in pimcore. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36.9% of scored vulnerabilities.
Severe, CVSS 8.6 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 0% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 15-01-2026PublishedVulnerability first disclosed.
- 15-01-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST4.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
Decrease -0.01 pp
From 0.43% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Pimcore1 product
- pimcore≥ 12.0.0-RC1, < 12.3.1 | < 11.5.14 | ≥ 12.0.0, < 12.3.1
1 vendor · 1 product
References
5 links- github.com/pimcore/pimcore/security/advisories/GHSA-q433-j342-rp9hX Refsource CONFIRMVendor Advisory