CVE-2026-82603 SeaCMS Comment Cache member.php del_pl path traversal
Remote attackers can exploit a path traversal vulnerability in SeaCMS comment cache handling to read or modify arbitrary files.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-82603?
CVE-2026-82603 is a medium-severity path traversal vulnerability in SeaCMS, published on 31 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-82603?
How do I fix CVE-2026-82603?
No fix has been published for CVE-2026-82603 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-82603 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82603 exists.
Sources
Also known as GHSA-w79p-9336-45xf.