Vulnerability · Published Aug 31, 2026 · Assigned by VulDB
CVE-2026-82599SeaCMS Avatar Upload member.php unlink path traversal
Medium 5.4
In plain English
A medium-severity path traversal in SeaCMS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.4%top 61.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was identified in SeaCMS up to 13.6. Affected by this vulnerability is the function unlink of the file /member.php?action=chgpwdsubmit of the component Avatar Upload. Such manipulation of the argument oldpic leads to path traversal. It is possible to launch the attack remotely. The exploit is publicly available and might be used.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-397101 | SeaCMS Avatar Upload member.php unlink path traversal vdb-entry, technical-description
- VDB-397101 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-82599 | CVE Analysis and Report third-party-advisory
- Submit #892780 | SeaCMS 13.6 Path Traversal third-party-advisory
- https://github.com/T-Chachamaru/seacms-13.6-security-advisories/blob/a084a3e573240d54860153321df271280daec262/c-002b-member-oldpic-file-deletion.md exploit