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Tornado: Urlencoded body parsing omits max_num_fields, so one request can stall the event loop
Tornado: Urlencoded body parsing omits max_num_fields, so one request can stall the event loop
Affected packages
- tornado— before 6.5.8
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/tornadoweb/tornado/security/advisories/GHSA-mpf4-983q-p7j4
- https://nvd.nist.gov/vuln/detail/CVE-2026-82397
- https://github.com/tornadoweb/tornado/pull/3704
- https://github.com/tornadoweb/tornado/commit/8d6363ed7b69d5f0da806efe34d256627a2191de
- https://github.com/tornadoweb/tornado
- https://github.com/tornadoweb/tornado/releases/tag/v6.5.8
Structured record: https://osv.dev/vulnerability/GHSA-mpf4-983q-p7j4
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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