CVE-2026-64623 PUBLISHED

Network-AI before 5.13.4 Cryptographic Signature Verification Bypass

Assigner: VulnCheck
Reserved: 20.07.2026 Published: 20.07.2026 Updated: 20.07.2026

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.

CVSS Vector: 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
CVSS Score: 8.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
CVSS Score: 8.6

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	Jovancoding
Product	Network-AI
Versions	Default: unaffected affected from 0 to 5.13.4 (excl.) Version 5.13.4 is unaffected

CVE-2026-64623 PUBLISHED

Network-AI before 5.13.4 Cryptographic Signature Verification Bypass

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Product Status

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Problem Types