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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.

PUBLISHED Reserved 2026-04-01 | Published 2026-04-02 | Updated 2026-04-02 | Assigner VulDB




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Missing Authentication

Improper Authentication

Product status

2.0.0
affected

2.0.1
affected

2.0.2
affected

Timeline

2026-04-01:Advisory disclosed
2026-04-01:VulDB entry created
2026-04-01:VulDB entry last update

Credits

Yu_Bao (VulDB User) reporter

VulDB coordinator

References

vuldb.com/vuln/354652 (VDB-354652 | vanna-ai vanna Chat API Endpoint v2 missing authentication) vdb-entry

vuldb.com/vuln/354652/cti (VDB-354652 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/780727 (Submit #780727 | vanna-ai vanna 2.0.2 Missing Authentication on All API Endpoints) third-party-advisory

github.com/August829/CVEP/issues/13 exploit issue-tracking

cve.org (CVE-2026-5320)

nvd.nist.gov (CVE-2026-5320)

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