CVE-2026-30643

CRITICALNVD 9.89.8—Elevated

9.8

An issue was discovered in DedeCMS 5.7.118 allowing attackers to execute code via crafted setup tag values in a module upload.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 28.2%
KEV: Not listed

Published

April 1, 2026

Last Modified

April 6, 2026

Advisory Details (2)

Auto-updated May 18, 2026

🔬 Proof of concept available. No patch confirmed yet.

generic

织梦 (DedeCMS) 官方网站 - 内容管理系统 - 上海卓卓网络科技有限公司

https://www.dedecms.com/

generic🟡 PoC Available

DedeCMS_backend_remote_code_execution_vulnerability · GitHub

https://gist.github.com/0psPwn/10c43912adee9bfe2ff4fec947d4ee5a

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 17× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 16:59 UTCepss_batch
2026-05-23 15:21 UTCepss_batch
2026-05-22 21:16 UTCepss_batch

Frequently asked(5)

What is CVE-2026-30643?

CVE-2026-30643 is a critical vulnerability published on April 1, 2026. An issue was discovered in DedeCMS 5.7.118 allowing attackers to execute code via crafted setup tag values in a module upload.

When was CVE-2026-30643 disclosed?

CVE-2026-30643 was first published in the National Vulnerability Database on April 1, 2026, with the most recent update on April 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-30643 actively exploited?

CVE-2026-30643 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 28.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-30643?

CVE-2026-30643 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2026-30643?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-30643, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-30643

Explore →

Is Your Infrastructure Affected by CVE-2026-30643?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2026-30643

📅 Published

🔄 Last Modified

📋 Advisory Details (2)