Riskcovery

CVE-2026-6608

lm-sys fastchat Arena Side-by-Side View add_text control flow

State
Published
Severity
6.9 Medium
Published
Apr 20, 2026
Updated
Apr 20, 2026
Reserved
Apr 19, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.06.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:PVulDB
3.15.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:RVulDB
3.05.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:RVulDB
2.05.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:URVulDB

Weaknesses

Affected Products

ProductVersions
fastchatlm-sys
  • 0.2.0Affected
  • 0.2.1Affected
  • 0.2.2Affected
  • 0.2.3Affected
  • 0.2.4Affected
  • 0.2.5Affected
  • 0.2.6Affected
  • 0.2.7Affected
  • 0.2.8Affected
  • 0.2.9Affected
  • 0.2.10Affected
  • 0.2.11Affected
  • 0.2.12Affected
  • 0.2.13Affected
  • 0.2.14Affected
  • 0.2.15Affected
  • 0.2.16Affected
  • 0.2.17Affected
  • 0.2.18Affected
  • 0.2.19Affected
  • 0.2.20Affected
  • 0.2.21Affected
  • 0.2.22Affected
  • 0.2.23Affected
  • 0.2.24Affected
  • and 12 more versions

References

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