CVE-2026-64623

HIGH8.8

Network-AI before 5.13.4 Cryptographic Signature Verification Bypass

Published Jul 20, 2026

Modified 1 weeks ago

Details

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.

References

ADVISORY

https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-3jf7-33vc-hgf4

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-64623

ADVISORY

https://www.vulncheck.com/advisories/network-ai-before-cryptographic-signature-verification-bypass

CVSS Analysis

CVSS v4.0

8.8

Exploitability

Attack Vector