---
title: "CVE-2026-79362: Woltlab WCF - Remote Code Execution"
description: "Woltlab WCF >= 6.1.0 < 6.1.23 and >= 6.2.0 < 6.2.6 contain a remote code execution caused by cache poisoning via premature nowdoc termination in executable cache files, letting authenticated low-privileged users execute arbitrary PHP code."
url: https://panop.io/threat-heartbeat/CVE-2026-79362/
---

# CVE-2026-79362 Woltlab WCF - Remote Code Execution

Woltlab WCF >= 6.1.0 < 6.1.23 and >= 6.2.0 < 6.2.6 contain a remote code execution caused by cache poisoning via premature nowdoc termination in executable cache files, letting authenticated low-privileged users execute arbitrary PHP code.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.63% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-79362)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

11 September 2026

Updated

15 October 2026

Weakness

[CWE-94](https://cwe.mitre.org/data/definitions/94.html)

## Vendor fix

Update to version 6.1.23, 6.2.6 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-79362](https://nvd.nist.gov/vuln/detail/CVE-2026-79362)
- [https://github.com/WoltLab/WCF/commit/c19789dbcc15663c648db1b196b6e6b05265b121](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/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/](https://www.woltlab.com/community/thread/319264-aktualisierung-woltlab-suite-6-2-6-6-1-23/)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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