CVE-2026-79362

EUVD-2026-76188
Certain Woltlab products are affected by RCE via Cache Poisoning. WCF >= 6.1.0 until < 6.1.23 and WCF >= 6.2.0 until < 6.2.6. An authenticated low-privileged user can inject PHP into executable cache files generated by WoltLab Suite Core. Attacker-controlled data can terminate the nowdoc prematurely and inject arbitrary PHP Code.
Code Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 49.9%
Common Weakness Enumeration
References
https://github.com/WoltLab/WCF/commit/c19789dbcc15663c648db1b196b6e6b05265b121
https://www.woltlab.com/community/thread/319263-update-woltlab-suite-6-2-6-6-1-23/
https://www.woltlab.com/community/thread/319264-aktualisierung-woltlab-suite-6-2-6-6-1-23/