CVE-2026-111181 body-parser - Denial of Service

body-parser < 1.20.9 and 2.0.0 < 2.4.0 contains a denial of service caused by unhandled errors in decompression streams when processing compressed request bodies, letting attackers crash applications, exploit requires sending crafted compressed requests.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
22 October 2026
Updated
23 October 2026
Weakness
CWE-248

Vendor fix

Upgrade to version 1.20.9, 2.4.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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