Symfony: Unbounded Nesting in the Expression Parser Lets Untrusted Expressions Crash the Process

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-109449 · Microsoft / collected KEV context

cve-program · CVE-2026-109449

• https://github.com/symfony/symfony/security/advisories/GHSA-7rpj-w9pf-39rr
• https://symfony.com/blog/cve-2026-109449-unbounded-nesting-in-the-expression-parser-lets-untrusted-expressions-crash-the-process
• https://github.com/symfony/symfony/pull/65690
• https://github.com/symfony/symfony/pull/66720
• https://github.com/symfony/symfony/pull/66723

No related operational record is retained in the current change model.