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CVE-2026-29839 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: March 24, 2026

DedeCMS - Cross-Site Request Forgery

Published: March 24, 2026Updated: March 24, 2026Remote Exploitable

Overview

DedeCMS v5.7.118 contains a cross-site request forgery vulnerability in /sys_task_add.php, letting attackers perform unauthorized actions, exploit requires victim interaction.

Severity & Score

Severity: High

CVSS Score: 8.8

Impact

Attackers can perform unauthorized actions on behalf of authenticated users, potentially compromising system integrity.

Mitigation

Update to the latest version of DedeCMS.

References

https://gist.github.com/w-p-man/43bfdf3c7cf889981d773d1276bb6a62
https://www.dedecms.com/

Related Resources

Vulnerability Intelligence Dashboard
Credential Scanner

Details

CVE ID: CVE-2026-29839
Severity: High
CVSS Score: 8.8
Type: cross_site_request_forgery
Status: new

CWE

CWE-352

CVSS Metrics

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