# Symfony Security HTTP vulnerabilities

Source: https://junglewise.ai/threats/technologies/security-http  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/security-http.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Symfony Security HTTP: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-48489, was published on 14 July 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 5 (0 critical, 0 exploited in the wild)

## About Symfony Security HTTP

A Symfony component that provides the HTTP layer for the Security component.

## Latest Symfony Security HTTP vulnerabilities

- [CVE-2026-48489: Symfony firewall bypass via failure_forward subrequest in security-http](https://junglewise.ai/threats/cve-2026-48489-symfony-firewall-bypass-via-failure-forward-subrequest-in) (high, CVSS 0, published 14 Jul 2026)
- [CVE-2026-45075: Symfony authorization bypass via HEAD requests in security attributes](https://junglewise.ai/threats/cve-2026-45075-symfony-authorization-bypass-via-head-requests-in-security) (medium, CVSS 4, published 14 Jul 2026)
- [CVE-2026-45069: Symfony OidcTokenHandler insufficient JWT claim verification](https://junglewise.ai/threats/cve-2026-45069-symfony-oidctokenhandler-insufficient-jwt-claim-verification) (medium, CVSS 4, published 14 Jul 2026)
- [CVE-2026-45063: Symfony X509Authenticator authentication bypass via spoofing](https://junglewise.ai/threats/cve-2026-45063-symfony-x509authenticator-authentication-bypass-via-spoofing) (high, CVSS 4, published 14 Jul 2026)
- [CVE-2026-45074: Symfony Cas2Handler authentication bypass via Host header spoofing](https://junglewise.ai/threats/cve-2026-45074-symfony-cas2handler-authentication-bypass-via-host-header) (medium, CVSS 4, published 14 Jul 2026)

## Most severe Symfony Security HTTP vulnerabilities

- [CVE-2026-45063: Symfony X509Authenticator authentication bypass via spoofing](https://junglewise.ai/threats/cve-2026-45063-symfony-x509authenticator-authentication-bypass-via-spoofing) (high, CVSS 4, published 14 Jul 2026)
- [CVE-2026-48489: Symfony firewall bypass via failure_forward subrequest in security-http](https://junglewise.ai/threats/cve-2026-48489-symfony-firewall-bypass-via-failure-forward-subrequest-in) (high, CVSS 0, published 14 Jul 2026)
- [CVE-2026-45074: Symfony Cas2Handler authentication bypass via Host header spoofing](https://junglewise.ai/threats/cve-2026-45074-symfony-cas2handler-authentication-bypass-via-host-header) (medium, CVSS 4, published 14 Jul 2026)
- [CVE-2026-45075: Symfony authorization bypass via HEAD requests in security attributes](https://junglewise.ai/threats/cve-2026-45075-symfony-authorization-bypass-via-head-requests-in-security) (medium, CVSS 4, published 14 Jul 2026)
- [CVE-2026-45069: Symfony OidcTokenHandler insufficient JWT claim verification](https://junglewise.ai/threats/cve-2026-45069-symfony-oidctokenhandler-insufficient-jwt-claim-verification) (medium, CVSS 4, published 14 Jul 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Symfony technologies

- [Symfony HtmlSanitizer](https://junglewise.ai/threats/technologies/htmlsanitizer): 9 vulnerabilities
- [Symfony Yaml Component](https://junglewise.ai/threats/technologies/yaml): 8 vulnerabilities
- [Symfony UX Live Component](https://junglewise.ai/threats/technologies/ux-live-component): 4 vulnerabilities
- [Symfony Http Foundation](https://junglewise.ai/threats/technologies/http-foundation): 3 vulnerabilities
- [Symfony HttpClient](https://junglewise.ai/threats/technologies/httpclient): 3 vulnerabilities
- [Symfony Mime](https://junglewise.ai/threats/technologies/mime): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Symfony Security HTTP vulnerabilities", https://junglewise.ai/threats/technologies/security-http, 9 November 2026.