Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 6.9 | Medium | 4.0 | CVSS: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:P | CNA (VulDB) |
- CISA KEV Not listed.
- EPSS 0.0031, the 23rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:01 UTC First seen by agentprime
- 31 Oct 2026, 15:01 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-f3q6-69f3-vwch
- OSV: GHSA-f3q6-69f3-vwch
- nvd.nist.gov/vuln/detail/CVE-2026-6608
- github.com/lm-sys/FastChat/issues/3834
- gist.github.com/YLChen-007/e45039d23e698222d887ee09735d9d36
- github.com/lm-sys/FastChat
- vuldb.com/submit/792228
- vuldb.com/vuln/358243
- vuldb.com/vuln/358243/cti