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CVE-2026-44981

HIGH
8.2
CVSS 4.0
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.

Metadata

CVE ID
CVE-2026-44981
State
PUBLISHED
Assigner
GitHub_M
Reserved
2026-05-08 16:23 UTC
Published
2026-07-16 19:47 UTC
Last updated
2026-07-17 13:50 UTC
Primary CWE
CWE-409
CWE-409: Improper Handling of Highly Compressed Data (Data A…
Vendor / Product
crowdsecurity / crowdsec
Sources
cve.org  ·  NVD

Severity & Metrics

8.2 HIGH CVSS 4.0
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
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
crowdsecurity crowdsec — >= 1.7.0, < 1.7.8
Weakness (CWE)
CWESourceDescription
CWE-409 cna CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)
CVSS scores (1)
ScoreSeverityVersionSourceVector
8.2 HIGH 4.0 cna 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
References (3)
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