CVE-2026-79362
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductSuite Core
PublishedSep 11, 2026
First seenSep 11, 2026
Weakness typeCWE-94Code injection
How to fix
Update
- Woltlab WCF6.1.23, 6.2.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| WoltLab Suite Core | No range specified | — |
| Woltlab WCF | 6.1.0 ≤ v ≤ 6.1.22, 6.2.0 ≤ v ≤ 6.2.5 | 6.1.23, 6.2.6 |
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