Vulnerability · Published Feb 7, 2026 · Assigned by VulDB
CVE-2026-2113yuan1994 tpadmin WebUploader preview.php deserialization
High 7.3
In plain English
A high-severity unsafe deserialization in tpadmin from yuan1994. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei, public proof-of-concept code.
Official description
A security vulnerability has been detected in yuan1994 tpadmin up to 1.3.12. This affects an unknown part in the library /public/static/admin/lib/webuploader/0.1.5/server/preview.php of the component WebUploader. The manipulation leads to deserialization. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Affected products (as reported)
Weakness: CWE-502, CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-344688 | yuan1994 tpadmin WebUploader preview.php deserialization vdb-entry, technical-description
- VDB-344688 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #746795 | https://github.com/yuan1994/tpadmin cms v1.3 RCE third-party-advisory
- https://github.com/sTy1H/CVE-Report/blob/main/Remote%20Code%20Execution%20Vulnerability%20in%20Tpadmin%20System.md exploit