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Undici has an unbounded decompression chain in HTTP responses on Node.js Fetch API via Content-Encoding leads to resource exhaustion

🗓️ 14 Jan 2026 21:06:08Reported by GitHub Advisory DatabaseType 
github
 github🔗 github.com👁 15 Views

Unbounded Content-Encoding decompression in Fetch API risks resource exhaustion; upgrade.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Vulnerability in Undici affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge.
4 May 202614:26
–ibm
IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities in IBM Business Automation Manager Open Editions
31 Mar 202612:18
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in Undici affects IBM watsonx Orchestrate with watsonx Assistant Cartridge
23 Mar 202619:47
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM watsonx Orchestrate with watsonx Assistant Cartridge
18 May 202606:56
–ibm
IBM Security Bulletins		Security Bulletin: Decompression Bomb Vulnerability in Undic, affects watsonx.data
10 Apr 202605:33
–ibm
ATTACKERKB		CVE-2026-22036
14 Jan 202619:07
–attackerkb
Tenable Nessus		Amazon Linux 2023 : nodejs24, nodejs24-devel, nodejs24-full-i18n (ALAS2023-2026-1404)
5 Feb 202600:00
–nessus
Tenable Nessus		Fedora 43 : nodejs24 (2026-5cd409edfa)
31 Jan 202600:00
–nessus
Tenable Nessus		Fedora 43 : nodejs22 (2026-8663c5f961)
31 Jan 202600:00
–nessus
Tenable Nessus		Fedora 42 : nodejs22 (2026-b7ad50870e)
31 Jan 202600:00
–nessus
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Vulners
Node
nodejsundiciRange<6.23.0npm
OR
nodejsundiciRange7.0.0–7.18.2npm

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22 Jan 2026 20:17Current
9High risk
Vulners AI Score9
CVSS 3.15.9 - 7.5
EPSS0.00024
SSVC
CWE-770
Content EncodingDecompression chainResource exhaustionNode.js Fetch APIPatch versions 7.18.2Patch versions 6.23.0
15