CVE-2026-12116: CVE-2026-12116

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-09 · updated 2026-10-25

Description

A vulnerability in the Xerte Online Tools allows for RCE through the antivirus binary path in the tools server settings, which can be changed to a PHP interpreter, allowing an attacker to upload PHP data that will then be executed.

Affected products

Xerte Online Tools: before v3.15.5; before 3.14.6 — fixed in 3.14.6, v3.15.5

How to fix

Upgrade to a fixed version: Xerte Online Tools 3.14.6, v3.15.5. Check the vendor advisory for mitigations.

References

https://github.com/thexerteproject/xerteonlinetoolkits/commit/8ef20628f80bd88bd1fe3e5844a9116a910086b7
https://github.com/thexerteproject/xerteonlinetoolkits/issues/1543
https://www.xerte.org.uk/index.php/en/news/blog/80-news/364-xerte-3-14-and-3-15-important-security-update

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