HIGH
CVE-2026-29839
CWE-352Published: March 24, 2026· Updated: Mar 25, 2026
8.8
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:4.3th
Official Description
DedeCMS v5.7.118 was discovered to contain a Cross-Site Request Forgery (CSRF) vulnerability in /sys_task_add.php.
Technical Analysis
CVE-2026-29839 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Vendors & Products
dedecms1 product
dedecms
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (2)
→
https://gist.github.com/w-p-man/43bfdf3c7cf889981d773d1276bb6a62Third Party Advisory
→
https://www.dedecms.com/Product
Quick Facts
CVE IDCVE-2026-29839
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-352
CISA KEVNo
EPSS (30d)0.02%
Affected1 vendor
PublishedMar 24, 2026
Related CVEs (CWE-352)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-29839 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.