Is CVE-2026-5320 actively exploited?

No active exploitation of CVE-2026-5320 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5320 be exploited remotely?

Yes. CVE-2026-5320 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5320?

CVE-2026-5320 has a CVSS score of 7.3 (HIGH).

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HIGH

CVE-2026-5320

CWE-287Published: April 2, 2026· Updated: Apr 3, 2026

7.3

CVSS v3.1

EPSS:0.08%probability of exploitation in 30 daysPercentile:24.2th

Official Description

A vulnerability was detected in vanna-ai vanna up to 2.0.2. Affected by this vulnerability is an unknown functionality of the file /api/vanna/v2/ of the component Chat API Endpoint. Performing a manipulation results in missing authentication. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Technical Analysis

CVE-2026-5320 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.