CVE-2026-104774

OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. From 3.0.0 until 3.8.0, the t:jsDecode transformation in internal/transformations/jsdecode.go:64-70 includes the backslash in the octal buffer, causing ParseInt to fail and return a null byte. The flaw is...

CVE-2026-104774 OWASP Coraza WAF: jsDecode Off-by-One in Octal Escape Handling Enables WAF Bypass

OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. From 3.0.0 until 3.8.0, the t:jsDecode transformation in internal/transformations/jsdecode.go:64-70 includes the backslash in the octal buffer, causing ParseInt to fail and return a null byte. The flaw is...

CVE-2026-104774

OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. From 3.0.0 until 3.8.0, the t:jsDecode transformation in internal/transformations/jsdecode.go:64-70 includes the backslash in the octal buffer, causing ParseInt to fail and return a null byte. The flaw is...

CVE-2026-104774 OWASP Coraza WAF: jsDecode Off-by-One in Octal Escape Handling Enables WAF Bypass

OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. From 3.0.0 until 3.8.0, the t:jsDecode transformation in internal/transformations/jsdecode.go:64-70 includes the backslash in the octal buffer, causing ParseInt to fail and return a null byte. The flaw is...

EUVD-2026-97825

OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. From 3.0.0 until 3.8.0, the t:jsDecode transformation in internal/transformations/jsdecode.go:64-70 includes the backslash in the octal buffer, causing ParseInt to fail and return a null byte. The flaw is...

CVE-2026-104774: Encoding Error

OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. From 3.0.0 until 3.8.0, the t:jsDecode transformation in internal/transformations/jsdecode.go:64-70 includes the backslash in the octal buffer, causing ParseInt to fail and return a null byte. The flaw is...

PT-2026-108665

Summary The t:jsDecode transformation in Coraza WAF contains an off-by-one error when parsing octal escape sequences. A backslash character was incorrectly included in the octal number buffer, causing strconv.ParseInt to fail for every octal escape sequence and return a null byte instead of the...

PT-2026-108704

Name of the Vulnerable Software and Affected Versions Coraza WAF versions 3.0.0 through 3.7.0 Description The t:jsDecode transformation in Coraza WAF contains an off-by-one error when parsing JavaScript octal escape sequences. Specifically, in the file internal/transformations/js decode.go, the...