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CVE-2026-6608

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CVE-2026-6608

Published: Apr 20, 2026

Modified: Apr 20, 2026

PUBLISHED

CVSS v3.1

5.3

MEDIUM

Description

A vulnerability was detected in lm-sys fastchat up to 0.2.36. Impacted is the function add_text of the component Arena Side-by-Side View Handler. The manipulation results in incorrect control flow. The attack can be launched remotely. The exploit is now public and may be used. The root cause was fixed in commit 34eca62 for gradio_block_arena_named.py, but three other files were missed.

VendorProductVersions

lm-sys

fastchat

affected
0.2.0
affected
0.2.1
affected
0.2.2
affected
0.2.3
affected
0.2.4

+32 more versions

Weaknesses (CWE)

CWE-670

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

VDB-358243 | CTI Indicators (IOB, IOC, IOA)
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