CVE-2026-41504

medium

Description

OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. From 3.0.0 until 3.8.0, the Native audit-log formatter in internal/auditlog/formats.go writes attacker-influenced request and response fields without neutralizing carriage returns or line feeds. When SecAuditLogFormat Native is enabled, injected line breaks can create forged lines inside a transaction record. An attacker who controls request or response body, header, error-message, or matched-rule data can inject carriage returns and line feeds that appear as forged audit lines within a transaction record. The forged content can mislead operators and line-oriented SIEM processing, although the unpredictable transaction boundary prevents straightforward impersonation of a separate complete session. This issue is fixed in version 3.8.0.

References

https://github.com/corazawaf/coraza/security/advisories/GHSA-prpw-wwv7-xjjr

https://github.com/corazawaf/coraza/releases/tag/v3.8.0

https://github.com/corazawaf/coraza/commit/a3079325547c7c1e08522aed4d6468f25d080e25

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-97826

Details

Source: Mitre, NVD

Published: 2026-10-12

Updated: 2026-10-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.8

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

Severity: Medium

EPSS

EPSS: 0.00355