CVE-2026-5321

LOW EPSS 5.8%

Published Apr 2, 20262mo ago · Modified Jun 17, 20261w ago

2.1 CVSS 4.0

Low

Published Apr 2, 2026 2mo ago

Last Modified Jun 17, 2026 1w ago

Description

A flaw has been found in vanna-ai vanna up to 2.0.2. Affected by this issue is some unknown functionality of the component FastAPI/Flask Server. Executing a manipulation can lead to permissive cross-domain policy with untrusted domains. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Details

Base Score

2.1

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

5.8% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 2

CWE-346

CWE-942

References 4

github.com https://github.com/August829/CVEP/issues/14
vuldb.com https://vuldb.com/submit/780729
vuldb.com https://vuldb.com/vuln/354653
vuldb.com https://vuldb.com/vuln/354653/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.