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CVE-2026-6608

CVE-2026-6608 · lm-sys fastchat Arena Side-by-Side View add_text control flow

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 6.9 · Medium · EPSS 0.3%

Published
Updated

Stack: python

Affected products and versions

  • fastchat

    Versions
    • 0.2.0: Affected
    • 0.2.1: Affected
    • 0.2.2: Affected
    • 0.2.3: Affected
    • 0.2.4: Affected
    • 0.2.5: Affected
    • 0.2.6: Affected
    • 0.2.7: Affected
    • 0.2.8: Affected
    • 0.2.9: Affected
    • 0.2.10: Affected
    • 0.2.11: Affected
    • 0.2.12: Affected
    • 0.2.13: Affected
    • 0.2.14: Affected
    • 0.2.15: Affected
    • 0.2.16: Affected
    • 0.2.17: Affected
    • 0.2.18: Affected
    • 0.2.19: Affected
    • 0.2.20: Affected
    • 0.2.21: Affected
    • 0.2.22: Affected
    • 0.2.23: Affected
    • 0.2.24: Affected
    • 0.2.25: Affected
    • 0.2.26: Affected
    • 0.2.27: Affected
    • 0.2.28: Affected
    • 0.2.29: Affected
    • 0.2.30: Affected
    • 0.2.31: Affected
    • 0.2.32: Affected
    • 0.2.33: Affected
    • 0.2.34: Affected
    • 0.2.35: Affected
    • 0.2.36: Affected

    No fix published

  • fschat PyPI

    Versions
    • 0.1.1
    • 0.1.10
    • 0.1.2
    • 0.1.3
    • 0.1.4
    • 0.1.5
    • 0.1.6
    • 0.1.7
    • 0.1.8
    • 0.1.9
    • 0.2.0
    • 0.2.1
    • 0.2.10
    • 0.2.11
    • 0.2.12
    • 0.2.13
    • 0.2.14
    • 0.2.15
    • 0.2.16
    • 0.2.17
    • 0.2.18
    • 0.2.2
    • 0.2.20
    • 0.2.21
    • 0.2.23
    • 0.2.24
    • 0.2.26
    • 0.2.27
    • 0.2.28
    • 0.2.29
    • 0.2.3
    • 0.2.30
    • 0.2.31
    • 0.2.32
    • 0.2.33
    • 0.2.34
    • 0.2.35
    • 0.2.36
    • 0.2.4
    • 0.2.5
    • 0.2.6
    • 0.2.7
    • 0.2.8
    • 0.2.9
    Affected ranges
    • ECOSYSTEM: ≤ 0.2.36

    No fix published

Original sources

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