mediumCVSS 5.3Vulnerability
CVE-2026-6608
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.
Properties
- severity
- medium
- summary
- FastChat has a Content Moderation Bypass via Arena Side-by-Side Views
- epss_score
- 0.00308
- cvss_score
- 5.3
- ghsa_published
- 2026-04-20T06:31:28Z
- source_url
- https://github.com/advisories/GHSA-f3q6-69f3-vwch
- ghsa_updated
- 2026-04-23T14:29:57Z
- ghsa_id
- GHSA-f3q6-69f3-vwch
- cve_id
- CVE-2026-6608
- cvss_vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- is_ghsa_only
- false
- epss_percentile
- 0.231
Related Entities (5)
ENRICHED_BY (1)
→[Source]FIRST EPSS
VULNERABLE_TO (1)
←[Software]pip/fschat
AFFECTS (1)
→[Software]pip/fschat
HAS_WEAKNESS (1)
→[Weakness]Always-Incorrect Control Flow Implementation
REPORTED_BY (1)
→[Source]GitHub Advisory Database
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