Servers and applications
CVE-2026-109449
Unbounded Nesting in the Expression Parser Lets Untrusted Expressions Crash the Process
- Severity
- High 8.7
- Published
- 15 Oct 2026
- Last changed
- 15 Oct 2026
- Added to UpHeron
- 3 Nov 2026
- Fixed in
- 5.4.54, 6.4.48, 7.4.21, 8.1.9
- Also known as
- GHSA-7rpj-w9pf-39rr
- Sources
- Project advisories (GitHub)
Affected software
| Software | Affected versions |
|---|---|
SymfonyServers and applications · github:symfony/symfony |
|
References
- CVE.org https://www.cve.org/CVERecord?id=CVE-2026-109449
- GitHub Advisory Database https://github.com/advisories/GHSA-7rpj-w9pf-39rr
- github.com https://github.com/symfony/symfony/security/advisories/GHSA-7rpj-w9pf-39rr