CVE-2026-64623
Network-AI before 5.13.4 Cryptographic Signature Verification Bypass
- State
- Published
- Severity
- 8.8 High
- Published
- Jul 20, 2026
- Updated
- Aug 14, 2026
- Reserved
- Jul 20, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.8 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.6 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L | VulnCheck |
Weaknesses
- CWE-347 Improper Verification of Cryptographic Signature
Affected Products
| Product | Versions |
|---|---|
Network-AIJovancoding |
|
References
- GitHub Security Advisory (GHSA-3jf7-33vc-hgf4)vendor-advisory
- VulnCheck Advisory: Network-AI before 5.13.4 Cryptographic Signature Verification Bypassthird-party-advisory
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