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CVE-2026-65702

HIGH Exploitation: PoC
8.6
CVSS 3.1
Description
Vanna through 2.0.2 contains a path traversal vulnerability in the FileSystemConversationStore persistence integration that allows unauthenticated remote attackers to write attacker-controlled JSON files to arbitrary filesystem locations and read conversation metadata from outside the intended store base directory. Attackers can supply path traversal sequences in the conversation_id parameter submitted to the unauthenticated chat API endpoints to escape the base directory during both write and read operations, enabling arbitrary file write with attacker-controlled content and unauthorized file read on the server filesystem.

Metadata

CVE ID
CVE-2026-65702
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-07-22 20:26 UTC
Published
2026-07-23 17:09 UTC
Last updated
2026-07-23 17:43 UTC
Primary CWE
CWE-22
Improper Limitation of a Pathname to a Restricted Directory …
Vendor / Product
vanna-ai / vanna
Sources
cve.org  ·  NVD

Severity & Metrics

8.6 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
yes
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
vanna-ai vanna — 0 ≤ 2.0.2
Weakness (CWE)
CWESourceDescription
CWE-22 cna Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSS scores (2)
ScoreSeverityVersionSourceVector
8.8 HIGH 4.0 cna 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
8.6 HIGH 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
References (2)
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