What’s Vulnerable › Vulnerabilities

CVE-2026-64623: Network-AI before 5.13.4 Cryptographic Signature Verification Bypass

• Severity: high (CVSS 8.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-20 · updated 2026-10-24
• Weakness: CWE-347

Description

Network-AI before 5.13.4 contains an improper cryptographic signature verification vulnerability in APSAdapter where the default local verifier accepts any non-empty string as valid. Unauthenticated attackers can submit forged APS delegation payloads with arbitrary scopes to bypass signature verification and obtain signed permission-grant tokens for sensitive resources including SHELL_EXEC.

Affected products

• Jovancoding Network-AI: before 5.13.4 — fixed in 5.13.4

How to fix

Upgrade to a fixed version: Jovancoding Network-AI 5.13.4. Check the vendor advisory for mitigations.

References

• https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-3jf7-33vc-hgf4
• https://www.vulncheck.com/advisories/network-ai-before-cryptographic-signature-verification-bypass
• https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-3jf7-33vc-hgf4

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