High severityGHSA Advisory· Published Jul 16, 2026· Updated Jul 17, 2026
CVE-2026-44981
CVE-2026-44981
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/crowdsecurity/crowdsecGo | >= 1.7.0, < 1.7.8 | 1.7.8 |
Affected products
3- Range: >= 1.7.0, < 1.7.8
- ghsa-coords2 versionspkg:golang/github.com/crowdsecurity/crowdsecpkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2016.0
>= 1.7.0, < 1.7.8+ 1 more
- (no CPE)range: >= 1.7.0, < 1.7.8
- (no CPE)range: < 0.0.20260723T184607-160000.1.1
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-273h-gvwr-c3qjghsaADVISORY
- github.com/crowdsecurity/crowdsec/releases/tag/v1.7.8ghsaWEB
- github.com/crowdsecurity/crowdsec/security/advisories/GHSA-273h-gvwr-c3qjnvdWEB
- github.com/crowdsecurity/crowdsec/commit/54a0dfe6c16b7687b0da6634e0b19ef0f5d9bb30nvd
- github.com/crowdsecurity/crowdsec/commit/56d0d6915f7f25941dc5b4f484028646f6601a37nvd
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