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ALTCHA 安全漏洞

🗓️ 08 Dec 2025 00:00:00Reported by China National Vulnerability Database of Information SecurityType 
cnnvd
 cnnvd
🔗 www.cnnvd.org.cn👁 1 Views

ALTCHA self-hosted CAPTCHA has a cryptanalysis flaw enabling recovery of random numbers through derivation.

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28 May 2026 00:00Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.19.1
EPSS0.00021
SSVC
1