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Advisory record · GHSA-prpw-wwv7-xjjr

Coraza: Native audit-log format allows CRLF injection and log forgery via request body and header fields

CVSS 5.8 MediumEPSS 0.0036 · 29th percentile

Published by the GitHub Advisory Database at 6 Oct 2026, 20:37 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/corazawaf/coraza/v3Go>=3.0.0, <3.8.03.8.0
Identifiers
GHSA-prpw-wwv7-xjjr · CVE-2026-41504 · GO-2026-6669
Weakness (CWE)
CWE-93 · CWE-117
Tags
Published
6 Oct 2026
Updated
20 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Coraza (github.com/corazawaf/coraza/v3) versions 3.0.0 up to but not including 3.8.0 are affected when the Native audit-log format is used. Attacker-supplied request body content, and in some integrations header values, can inject CR or LF characters into the audit log, letting an attacker forge lines that look like genuine log entries. Upgrade to 3.8.0 or later. Deployments using the JSON or OCSF audit-log formats are not affected.

Written 1 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.8 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0036, the 29th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:11 UTC First seen by agentprime
  2. 31 Oct 2026, 14:11 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.