Medium severity · published Aug 31, 2026
CVE-2026-82603
SeaCMS Comment Cache member.php del_pl path traversal
5.4
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
SeaCMS · Seacms
13.0; 13.1; 13.2; 13.3; 13.4; 13.5; +1 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82603
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82603
github.com
https://github.com/T-Chachamaru/seacms-13.6-security-advisories/blob/a084a3e573240d54860153321df271280daec262/c-008-member-del-pl-js-file-deletion.md
vuldb.com
https://vuldb.com/cve/CVE-2026-82603
vuldb.com
https://vuldb.com/submit/892790
vuldb.com
https://vuldb.com/vuln/397105
vuldb.com
https://vuldb.com/vuln/397105/cti
More from SeaCMS
9.8
CVE-2025-15002
SeaCMS mysqli.class.php sql injection
9.8
CVE-2025-10662
SeaCMS admin_members.php sql injection
9.8
CVE-2025-44073
SeaCMS v13.3 was discovered to contain a SQL injection vulnerability via the component admin_comment_news.php
9.8
CVE-2025-44071
SeaCMS v13.3 was discovered to contain a remote code execution (RCE) vulnerability via the component phomebak.php
9.8
CVE-2025-44072
SeaCMS v13.3 was discovered to contain a SQL injection vulnerability via the component admin_manager.php