CLEANSTART-2026-LB53139 undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header

CVE-2026-84890 affects multiple packages. undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. See references for individual vulnerability details...

CLEANSTART-2026-CL40927 undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header

Security vulnerability affects the langfuse package. undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header...

PT-2026-108371

Security vulnerability affects the langfuse package. undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header...

SUSE CVE-2026-84890

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

Allocation of Resources Without Limits or Throttling

Overview undici is an An HTTP/1.1 client, written from scratch for Node.js Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the interceptors.decompress interceptor, which caps the decompression chain at 5 layers but does not bound the tot...

Allocation of Resources Without Limits or Throttling

Overview org.webjars.npm:undici is an An HTTP/1.1 client, written from scratch for Node.js Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the interceptors.decompress interceptor, which caps the decompression chain at 5 layers but does n...

CVE-2026-84890

A flaw was found in undici. The decompress interceptor in undici processes compressed response bodies based on the untrusted Content-Encoding header. A remote attacker can exploit this by sending a small, specially crafted compressed payload, known as a 'compression bomb,' which expands...

CVE-2026-84890

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

DEBIAN-CVE-2026-84890

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

UBUNTU-CVE-2026-84890

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

CVE-2026-84890

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

CVE-2026-84890

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

CVE-2026-84890 undici vulnerable to Denial of Service via unbounded decompression of compressed responses

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

CVE-2026-84890

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

CVE-2026-84890: Allocation of Resources Without Limits or Throttling

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

PT-2026-86206

Name of the Vulnerable Software and Affected Versions undici versions 7.15.0 through 7.29.0 undici versions 8.0.0 through 8.10.1 Description The decompress interceptor decompresses response bodies based on the untrusted Content-Encoding header. Although the number of encoding layers is capped, th...

CVE-2026-84890: Allocation of Resources Without Limits or Throttling

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...