Vulnerability · Published Aug 31, 2026 · Assigned by VulDB
CVE-2026-82602SeaCMS ass.php authorization
Medium 5.3
In plain English
A medium-severity authorization bypass via user-controlled key in SeaCMS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.5%top 55.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A security vulnerability has been detected in SeaCMS up to 13.6. This vulnerability affects unknown code of the file /ass.php. The manipulation leads to authorization bypass. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.
Affected products (as reported)
Weakness: CWE-639, CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
References
- VDB-397104 | SeaCMS ass.php authorization vdb-entry
- VDB-397104 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-82602 | CVE Analysis and Report third-party-advisory
- Submit #892789 | SeaCMS 13.6 Information Disclosure third-party-advisory
- https://github.com/T-Chachamaru/seacms-13.6-security-advisories/blob/a084a3e573240d54860153321df271280daec262/c-011-ass-paywall-url-disclosure.md exploit