CVE-2026-82603

SeaCMS Comment Cache member.php del_pl path traversal

5.3 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: Low

Exploit likelihood

0.44%Up 0.1 points since Aug 31, 2026

What each source reports

CVE List Score used 5.3

SeaCMS Comment Cache member.php del_pl path traversal

Record: CVE-2026-82603
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
CVSS 3.0: 5.4 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
CVSS 2.0: 5.5 AV:N/AC:L/Au:S/C:N/I:P/A:P/E:POC/RL:ND/RC:UR
Weakness: CWE-22
Updated: 2026-11-02

EUVDEUVD-2026-68312 5.3

Record: EUVD-2026-68312
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Updated: 2026-11-02

GitHub AdvisoriesGHSA-w79p-9336-45xf 2.1

A vulnerability was detected in SeaCMS up to 13.6. This issue affects some unknown processing of...

Record: GHSA-w79p-9336-45xf
CVSS 4.0: 2.1 LowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Weakness: CWE-22
Updated: 2026-11-02

NVD 2.1

Record: CVE-2026-82603
CVSS 4.0: 2.1 LowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CVSS 2.0: 5.5 MediumAV:N/AC:L/Au:S/C:N/I:P/A:P
Weakness: CWE-22
Updated: 2026-11-02

Affected products

seacms

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-82603 is a medium vulnerability (CVSS 5.3) in Seacms, published August 31, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. No source names a fixed version.