How severe is CVE-2026-23493?

CVE-2026-23493 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2026-23493 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-23493?

CVE-2026-23493 affects Pimcore. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-23493?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-23493 have an EU (EUVD) identifier?

Yes. CVE-2026-23493 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2729.

When was CVE-2026-23493 published?

CVE-2026-23493 was published on 2026-01-15 and last updated on 2026-06-17.

CVE-2026-23493

CVE-2026-23493 is a high-severity vulnerability in Pimcore with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-532.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2729
Weakness: CWE-532
Affected product: Pimcore
Published: 2026-01-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-23493?: 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.
How severe is CVE-2026-23493?: CVE-2026-23493 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2026-23493 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-23493?: CVE-2026-23493 affects Pimcore. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-23493?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-23493 have an EU (EUVD) identifier?: Yes. CVE-2026-23493 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2729.
When was CVE-2026-23493 published?: CVE-2026-23493 was published on 2026-01-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pimcore:pimcore:*:*:*:*:*:*:*:*

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