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Vulnerabilities

Vulnerability · CVE-2026-29839

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

Published Mar 24, 2026 · catalog updated Jun 17, 2026 · DedeCMS v5.7.118 was discovered

Check if you run it

No confirmed exploitation is on record for CVE-2026-29839. EPSS is 0.21%. Act only if a listed version of DedeCMS v5.7.118 was discovered is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (DedeCMS v5.7.118 was discovered).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.21%
Remediation
Advisory link
Affected products
cpe dedecms/dedecms

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe dedecms/dedecms5.7.118

How to fix CVE-2026-29839

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-29839. EPSS is 0.21%. Act only if a listed version of DedeCMS v5.7.118 was discovered is installed.

Which versions are affected?

Compare what you have installed with 5.7.118. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-352: Cross-Site Request Forgery (CSRF). EPSS 0.21%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 24, 2026 · NIST NVD

    Detected

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

  2. Jun 17, 2026 · NIST NVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2026-29839

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-29839

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-29839

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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.