PT-2026-29680 · Vanna-Ai · Vanna

Vuldb + 1 · CVE-2026-5321 · Published 2026-04-02 · Updated 2026-04-02

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions vanna-ai vanna versions up to 2.0.2

Description A flaw exists in the FastAPI/Flask Server component of vanna-ai vanna. A manipulation can lead to a permissive cross-domain policy with untrusted domains, allowing for remote attacks. The exploit has been published.

Recommendations Update vanna-ai vanna to a version later than 2.0.2.

Exploit

Fix

Origin Validation Error

Weakness Enumeration

CWE-346

CWE-942

Related Identifiers

CVE-2026-5321

Affected Products

Vanna

References · 7

• 🔥 https://github.com/August829/CVEP/issues/14 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-5321 · Security Note
• https://vuldb.com/vuln/354653 · Note
• https://twitter.com/cyberbivash/status/2039605412681363850 · Twitter Post
• https://vuldb.com/submit/780729 · Note
• https://vuldb.com/vuln/354653/cti · Note
• https://twitter.com/CVEnew/status/2039647713709682811 · Twitter Post