Vulnerability in Sensiolabs Symfony

CVE-2026-45064

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0-BETA1 until 6.4.40, 7.4.12, and 8.0.12, UrlSanitizer::parse() passes Unicode explicit-direction BiDi formatting characters through into sanitized href and src attributes, allowing sanitized content to display a link destination that visually differs from the actual destination and enabling phishing-style visual spoofing. This issue is fixed in versions 6.4.40, 7.4.12, and 8.0.12.

EPSS: 0.003 (26.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-45064?
CVE-2026-45064 is a medium-severity vulnerability in Sensiolabs Symfony, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 6.1/10. Published 2026-07-14.
How severe is CVE-2026-45064?
Medium severity. CVSS v3 base score is 6.1 out of 10.