High severity7.2NVD Advisory· Published Apr 1, 2026· Updated Apr 1, 2026

CVE-2026-35056

Description

XenForo before 2.3.9 and before 2.2.18 allows remote code execution (RCE) by authenticated, but malicious, admin users. An attacker with admin panel access can execute arbitrary code on the server.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Xenforo/Xenforo2 versions
cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:*range: <2.2.18
- (no CPE)range: <2.3.9 and <2.2.18

Patches

Vulnerability mechanics

References

www.vulncheck.com/advisories/xenforo-remote-code-execution-via-authenticated-adminnvdThird Party Advisory
xenforo.com/community/threads/xenforo-2-3-9-inc-xfmg-2-2-18-released-security-fix.235659/nvdRelease Notes

News mentions

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cvss	0.468
epss	0.001
exploit	0.000
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ransomware	0.000