Path Traversal in Seacms
CVE-2026-82603
A vulnerability was detected in SeaCMS up to 13.6. This issue affects some unknown processing of the file /member.php?action=del_pl of the component Comment Cache. The manipulation of the argument itype/vid results in path traversal. The attack may be launched remotely. The exploit is now public and may be used.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (36.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Seacms — versions 13.0, 13.1, 13.2
Weakness classification (CWE)
References
- vuldb.com/vuln/397105 (technical-description, vdb-entry)
- vuldb.com/vuln/397105/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-82603 (third-party-advisory)
- vuldb.com/submit/892790 (third-party-advisory)
- github.com/T-Chachamaru/seacms-13.6-security-advisories/blob/a084a3e573240d5486… (exploit)
Frequently asked questions
- What is CVE-2026-82603?
- CVE-2026-82603 is a medium-severity vulnerability in Seacms, classified under Path Traversal. CVSS score: 5.4/10. Published 2026-08-31.
- How severe is CVE-2026-82603?
- Medium severity. CVSS v3 base score is 5.4 out of 10.