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Vulnerability record · CVE-2026-44982 · published 16 July 2026

CVE-2026-44982: CrowdSec offers crowdsourced protection against malicious IPs.

CrowdSec offers crowdsourced protection against malicious IPs. From 1.5.0 until 1.7.8, pkg/appsec/request.go NewParsedRequestFromRequest allocated a request body buffer from max(r.ContentLength, 0), so HTTP/1.1 requests using Transfer-Encoding: chunked and HTTP/2 requests without a content-length header produced an empty body and caused WAF rules targeting REQUEST_BODY, BODY_ARGS, ARGS_POST, JSON, or XML to be skipped. This issue is fixed in version 1.7.8.

7.2 CVSS 3.1 High EPSS 0.37% · top 71.4% CWE-693 · CWE-693 Deferred
7.2CVSS 3.1 base score
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
17 Jul 2026Last modified by NVD

Description

CrowdSec offers crowdsourced protection against malicious IPs. From 1.5.0 until 1.7.8, pkg/appsec/request.go NewParsedRequestFromRequest allocated a request body buffer from max(r.ContentLength, 0), so HTTP/1.1 requests using Transfer-Encoding: chunked and HTTP/2 requests without a content-length header produced an empty body and caused WAF rules targeting REQUEST_BODY, BODY_ARGS, ARGS_POST, JSON, or XML to be skipped. This issue is fixed in version 1.7.8.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

References

LinkTags
https://github.com/crowdsecurity/crowdsec/commit/3d5c4d9b127091e9063b9b5eb785372a599a4435
https://github.com/crowdsecurity/crowdsec/commit/57a793548671e6bbd2cde5562fe87b856ec9c642
https://github.com/crowdsecurity/crowdsec/pull/4355
https://github.com/crowdsecurity/crowdsec/releases/tag/v1.7.8
https://github.com/crowdsecurity/crowdsec/security/advisories/GHSA-rw47-hm26-6wr7

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Source: NIST National Vulnerability Database (record CVE-2026-44982), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.