CVE-2026-22776

HIGH

7.5

Description

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service (DoS) vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies (Content-Encoding: gzip, br, etc.). The library validates the payload_max_length against the compressed data size received from the network, but does not limit the size of the decompressed data stored in memory.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie1/12/2026

Derniere modification1/15/2026

Sourcenvd

Observations honeypot0

Produits affectes

yhirose:cpp-httplib

Faiblesses (CWE)

CWE-409

References

https://github.com/yhirose/cpp-httplib/commit/2e2e47bab1ae6a853476eecbc4bf279dd1fef792(security-advisories@github.com)

https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-h934-98h4-j43q(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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