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CVE-2026-91920 Undertow: undertow: chunkreader message length permits chunk-size overflow

🗓️ 30 Oct 2026 01:16:53Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

ChunkReader in Undertow allows chunk-size overflow leading to request smuggling.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-91920
30 Oct 202601:24
–circl
cve
CVE
CVE-2026-91920
30 Oct 202601:16
–cve
euvd
EUVD
EUVD-2026-113473
30 Oct 202601:16
–euvd
nvd
NVD
CVE-2026-91920
30 Oct 202602:17
–nvd
ptsecurity
Positive Technologies
PT-2026-133234
30 Oct 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-91920: Red Hat: A flaw was found in the ChunkReader component of the Undertow web server, which is used to handle chunked transfer…
30 Oct 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-91920
29 Oct 202612:47
–redhatcve
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