Path Traversal in Seacms
CVE-2026-82599
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.
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/397101 (technical-description, vdb-entry)
- vuldb.com/vuln/397101/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-82599 (third-party-advisory)
- vuldb.com/submit/892780 (third-party-advisory)
- github.com/T-Chachamaru/seacms-13.6-security-advisories/blob/a084a3e573240d5486… (exploit)
Frequently asked questions
- What is CVE-2026-82599?
- CVE-2026-82599 is a medium-severity vulnerability in Seacms, classified under Path Traversal. CVSS score: 5.4/10. Published 2026-08-31.
- How severe is CVE-2026-82599?
- Medium severity. CVSS v3 base score is 5.4 out of 10.