RCE in Tallcms
CVE-2026-105329
A vulnerability was determined in TallCMS up to 4.8.0. This affects an unknown function of the file packages/tallcms/cms/src/Filament/Pages/ThemeManager.php of the component PluginManager. Executing a manipulation can lead to code injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. This patch is called fdc18f4c6a36134f8986ca1d7e4e97092e3deb93. It is best practice to apply a patch to resolve this issue.
Published .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Tallcms — versions 4.0, 4.1, 4.2
Weakness classification (CWE)
References
- vuldb.com/vuln/413543 (vdb-entry)
- vuldb.com/vuln/413543/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-105329 (third-party-advisory)
- vuldb.com/submit/979800 (third-party-advisory)
- github.com/tallcms/tallcms/issues/122 (issue-tracking, exploit)
- github.com/tallcms/tallcms/pull/124 (issue-tracking, patch)
- github.com/beegoodit/tallcms/commit/fdc18f4c6a36134f8986ca1d7e4e97092e3deb93 (patch)
- github.com/tallcms/tallcms/ (product)
Frequently asked questions
- What is CVE-2026-105329?
- CVE-2026-105329 is a medium-severity vulnerability in Tallcms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-10-05.
- How severe is CVE-2026-105329?
- Medium severity. CVSS v3 base score is 6.3 out of 10.