CVE-2026-48760 Symfony: HtmlSanitizer URL Parser Deny Gates Underinclusive: Percent-Encoded BiDi Marks and Unicode Whitespace Bypass Visual-Spoofing Defense

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0 until 6.4.41, 7.4.13, and 8.0.13, UrlSanitizer::parse rejected raw BiDi formatting characters but not percent-encoded forms and used an ASCII-only whitespace check, allowing sanitized URLs...

CVE-2026-48760

creationtimestamp| type| source ---|---|--- 2026-05-27 10:04:06+00:00| seen| https://bsky.app/profile/symfony.com/post/3mmtaxn3hnf2h 2026-05-27 14:35:08+00:00| seen| https://bsky.app/profile/o2cloud.bsky.social/post/3mmtq4e3x7q2h...

CVE-2026-48760: HtmlSanitizer URL Parser Deny Gates Underinclusive: Percent-Encoded BiDi Marks and Unicode Whitespace Bypass Visual-Spoofing Defense

More info at https://symfony.com/cve-2026-48760...