{"id":"CVE-2026-41504","title":"OWASP Coraza WAF is a golang modsecurity compatible web application firewall library","summary":"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 n…","severity":"medium","cvss":5.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","cwe":["CWE-93","CWE-117"],"vendor":"corazawaf","product":"github.com/corazawaf/coraza/v3","affected":["github.com/corazawaf/coraza/v3 >= 3.0.0, < 3.8.0"],"patched":["github.com/corazawaf/coraza/v3 3.8.0"],"published":"2026-10-12","updated":"2026-10-16","sourceUpdated":"2026-10-16T20:04:29.760","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-41504","references":[{"url":"https://github.com/corazawaf/coraza/commit/a3079325547c7c1e08522aed4d6468f25d080e25","label":"security-advisories@github.com"},{"url":"https://github.com/corazawaf/coraza/releases/tag/v3.8.0","label":"security-advisories@github.com"},{"url":"https://github.com/corazawaf/coraza/security/advisories/GHSA-prpw-wwv7-xjjr","label":"security-advisories@github.com"},{"url":"https://github.com/corazawaf/coraza/security/advisories/GHSA-prpw-wwv7-xjjr","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://github.com/corazawaf/coraza"},{"url":"https://github.com/advisories/GHSA-prpw-wwv7-xjjr"}],"tags":["nvd","osv","go","ghsa","cve.org","exploit-available"],"epss":0.00355,"epssPercentile":0.29009,"aliases":["GHSA-prpw-wwv7-xjjr","GO-2026-6669"],"ecosystem":"go","exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-13T17:25:27.532169Z"},"ingestedAt":"2026-10-06T21:20:28.991Z","slug":"CVE-2026-41504","body":"## Overview\n\nOWASP 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-41504)\n\nAffected packages:\n\n- `github.com/corazawaf/coraza/v3 >= 3.0.0, < 3.8.0`\n\nPatched in:\n\n- `github.com/corazawaf/coraza/v3 3.8.0`\n\nSource: https://osv.dev/vulnerability/GHSA-prpw-wwv7-xjjr","depth":"twilight","depthScore":44,"depthScoreParts":{"impact":31.9,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":221023,"id":"CVE-2026-41504","ts":1792027011737,"field":"exploit_available","old":"false","new":"true"}]}