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CVE-2026-29014 is a critical unauthenticated remote code execution vulnerability in MetInfo CMS versions 7.9, 8.0, and 8.1. The flaw is located in the weixinreply::wxAdminLogin() method in the WeChat integration component. Attacker-controlled EventKey and FromUserName values from Weixin API requests are insufficiently sanitized before being used in cache::get() and cache::put() operations. This allows path traversal in the cache lookup path, arbitrary cache file inclusion, and subsequent PHP code injection into a generated cache file. By manipulating the execution flow so that the cache write targets a PHP cache artifact and supplying crafted input that breaks out of the generated string context, a remote unauthenticated attacker can cause arbitrary PHP code to be written and executed on the server. On affected deployments, successful exploitation can result in full compromise of the web server hosting the CMS.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
51 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A MetInfo CMS vulnerability listed among vulnerabilities actively exploited or operationally weaponized in July 2026.
Vulnerability in MetInfo CMS listed by the alert as being exploited in a large-scale CMS exploitation campaign.
A publicly known and patched vulnerability affecting MetInfo CMS that is being exploited in a large-scale CMS campaign to deploy webshells.
A vulnerability affecting MetInfo CMS, mentioned as part of a broader ACSC list of CMS/plugin vulnerabilities targeted in a global exploitation campaign.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.