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Vulnerabilities CVE-2026-44981

CVE-2026-44981

High
Open
TLP:CLEAR

CrowdSec LAPI: Denial of Service via Unbounded Gzip Decompression

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Description

CrowdSec offers crowdsourced protection against malicious IPs. From 1.7.0 until 1.7.8, the LAPI router used gin-contrib/gzip with DefaultDecompressHandle globally in pkg/apiserver/controllers/controller.go, causing /v1/watchers and /v1/watchers/login to decompress unauthenticated gzip-compressed JSON request bodies without enforcing a maximum decompressed size and allowing excessive heap allocation that can make LAPI unreachable. This issue is fixed in version 1.7.8.

Details

CVSS Score
8.2
EPSS Score
0.29%

21.5th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Confidence
90%
Published
Jul 16, 2026
Last Modified
Jul 17, 2026
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