What is CVE-2026-52761?

CVE-2026-52761 is a medium-severity vulnerability in Owasp-modsecurity Modsecurity, classified under CWE-467. CVSS score: 5.8/10. Published 2026-07-10.

How severe is CVE-2026-52761?

Medium severity. CVSS v3 base score is 5.8 out of 10.

Vulnerability in Owasp-modsecurity Modsecurity

CVE-2026-52761

ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. From 3.0.0 through 3.0.15, the t:utf8toUnicode transformation in src/actions/transformations/utf8_to_unicode.cc produces wrong o…

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.

Affected products

Owasp-modsecurity Modsecurity — versions >= 3.0.0, < 3.0.16

Weakness classification (CWE)

CWE-467

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-52761?: CVE-2026-52761 is a medium-severity vulnerability in Owasp-modsecurity Modsecurity, classified under CWE-467. CVSS score: 5.8/10. Published 2026-07-10.
How severe is CVE-2026-52761?: Medium severity. CVSS v3 base score is 5.8 out of 10.