CVE-2023-41362

MyBB before 1.8.36 allows Code Injection by users with certain high privileges. Templates in Admin CP intentionally use eval, and there was some validation of the input to eval, but type juggling interfered with this when using PCRE within PHP.

• CWE-94

• https://blog.sorcery.ie/posts/mybb_acp_rce/
• https://github.com/mybb/mybb/commit/a43a6f22944e769a6eabc58c39e7bc18c1cab4ca.patchPatch
• https://github.com/mybb/mybb/security/advisories/GHSA-pr74-wvp3-q6f5Patch, Third Party Advisory
• https://mybb.com/versions/1.8.36/Release Notes
• https://blog.sorcery.ie/posts/mybb_acp_rce/
• https://github.com/mybb/mybb/commit/a43a6f22944e769a6eabc58c39e7bc18c1cab4ca.patchPatch
• https://github.com/mybb/mybb/security/advisories/GHSA-pr74-wvp3-q6f5Patch, Third Party Advisory
• https://mybb.com/versions/1.8.36/Release Notes

Published

Aug 29, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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