Medium severity · published Aug 31, 2026
CVE-2026-82599
SeaCMS Avatar Upload member.php unlink path traversal
5.4
CVSS
0.4%
EPSS
No
On KEV
Description
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.
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-2026-82599
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82599
github.com
https://github.com/T-Chachamaru/seacms-13.6-security-advisories/blob/a084a3e573240d54860153321df271280daec262/c-002b-member-oldpic-file-deletion.md
vuldb.com
https://vuldb.com/cve/CVE-2026-82599
vuldb.com
https://vuldb.com/submit/892780
vuldb.com
https://vuldb.com/vuln/397101
vuldb.com
https://vuldb.com/vuln/397101/cti
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