CVE-2026-29839 — HIGH (8.8)

Vulnerability Description

DedeCMS v5.7.118 was discovered to contain a Cross-Site Request Forgery (CSRF) vulnerability in /sys_task_add.php.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Dedecms	Dedecms	5.7.118

Related Weaknesses (CWE)

CWE-352

References

https://gist.github.com/w-p-man/43bfdf3c7cf889981d773d1276bb6a62Third Party Advisory
https://www.dedecms.com/Product

FAQ

What is CVE-2026-29839?

CVE-2026-29839 is a vulnerability with a CVSS score of 8.8 (HIGH). DedeCMS v5.7.118 was discovered to contain a Cross-Site Request Forgery (CSRF) vulnerability in /sys_task_add.php.

How severe is CVE-2026-29839?

CVE-2026-29839 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-29839?

Check the references section above for vendor advisories and patch information. Affected products include: Dedecms Dedecms.