CVE-2026-39806
high
CVSS v3
7.5
CVSS v4 NEW
8.7
VIR risk
7.5
Description
Bandit: Unauthenticated DoS via chunked request trailers in Bandit HTTP/1 decoder
Predictions
Exploit likelihood
83%
Patch ETA
โ
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| mtrudel | bandit | {"startIncluding":"1.6.1","endExcluding":"1.11.1"} | 1.11.1 |
References
- https://github.com/mtrudel/bandit/security/advisories/GHSA-rf5q-vwxw-gmrf
- https://cna.erlef.org/cves/CVE-2026-39806.html
- https://osv.dev/vulnerability/EEF-CVE-2026-39806
- https://github.com/mtrudel/bandit/commit/ae3520dfdbfab115c638f8c7f6f6b805db34e1ab
- https://hex.pm/packages/bandit
- https://nvd.nist.gov/vuln/detail/CVE-2026-39806
- https://github.com/mtrudel/bandit
- https://github.com/advisories/GHSA-rf5q-vwxw-gmrf
CWEs
CWE-835
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.