# symfony/security-http (Packagist) vulnerabilities

Source: https://junglewise.ai/threats/technologies/symfony-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/symfony-security-http.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 21 vulnerabilities in symfony/security-http (Packagist): 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: 21 (0 critical, 0 exploited in the wild)

## About symfony/security-http (Packagist)

The Security HTTP component for Symfony provides tools for managing authentication and authorization within web applications.

## Latest symfony/security-http (Packagist) 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)
- [CVE-2024-36611: Withdrawn Advisory: Symfony http-security has authentication bypass](https://junglewise.ai/threats/cve-2024-36611-withdrawn-advisory-symfony-http-security-has-authentication) (low, CVSS 3.1, published 29 Nov 2024)
- [CVE-2024-51996: Symfony has an Authentication Bypass via RememberMe](https://junglewise.ai/threats/cve-2024-51996-symfony-has-an-authentication-bypass-via-rememberme) (low, CVSS 3.1, published 13 Nov 2024)
- [CVE-2023-46733: Symfony possible session fixation vulnerability](https://junglewise.ai/threats/cve-2023-46733-symfony-possible-session-fixation-vulnerability) (low, CVSS 3.1, published 12 Nov 2023)
- [CVE-2016-4423: Symphony Denial of Service Via Overlong Usernames](https://junglewise.ai/threats/cve-2016-4423-symphony-denial-of-service-via-overlong-usernames) (low, CVSS 3, published 17 May 2022)
- [CVE-2015-8125: Symfony Vulnerable to Timing Attack](https://junglewise.ai/threats/cve-2015-8125-symfony-vulnerable-to-timing-attack) (info, published 17 May 2022)
- [CVE-2015-8124: Symfony Session Fixation Vulnerability](https://junglewise.ai/threats/cve-2015-8124-symfony-session-fixation-vulnerability) (low, CVSS 3.1, published 14 May 2022)
- [CVE-2018-11385: Symfony Session Fixation Vulnerability](https://junglewise.ai/threats/cve-2018-11385-symfony-session-fixation-vulnerability) (low, CVSS 3, published 14 May 2022)
- [CVE-2017-16652: Symfony Open Redirect](https://junglewise.ai/threats/cve-2017-16652-symfony-open-redirect) (low, CVSS 3, published 14 May 2022)
- [CVE-2018-11406: Symfony CSRF Token Fixation](https://junglewise.ai/threats/cve-2018-11406-symfony-csrf-token-fixation) (low, CVSS 3, published 14 May 2022)
- [CVE-2018-19790: Symfony Open Redirect](https://junglewise.ai/threats/cve-2018-19790-symfony-open-redirect) (low, CVSS 3, published 14 May 2022)
- [CVE-2021-32693: Authentication granted to all firewalls instead of just one](https://junglewise.ai/threats/cve-2021-32693-authentication-granted-to-all-firewalls-instead-of-just-one) (low, CVSS 3.1, published 21 Jun 2021)
- [User enumeration in authentication mechanisms](https://junglewise.ai/threats/user-enumeration-in-authentication-mechanisms-69ab8175) (info, published 17 May 2021)
- [CVE-2021-21424: Prevent user enumeration using Guard or the new Authenticator-based Security](https://junglewise.ai/threats/cve-2021-21424-prevent-user-enumeration-using-guard-or-the-new-authenticator) (low, CVSS 3.1, published 13 May 2021)
- [CVE-2020-5275: Firewall configured with unanimous strategy was not actually unanimous in Symfony](https://junglewise.ai/threats/cve-2020-5275-firewall-configured-with-unanimous-strategy-was-not-actually) (low, CVSS 3.1, published 30 Mar 2020)
- [CVE-2019-10911: Improper authentication in Symfony](https://junglewise.ai/threats/cve-2019-10911-improper-authentication-in-symfony) (low, CVSS 3, published 12 Feb 2020)
- [CVE-2019-18886: User enumeration leak using switch user functionality in Symfony](https://junglewise.ai/threats/cve-2019-18886-user-enumeration-leak-using-switch-user-functionality-in-symfony) (low, CVSS 3.1, published 2 Dec 2019)

## Most severe symfony/security-http (Packagist) 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)
- [CVE-2015-8124: Symfony Session Fixation Vulnerability](https://junglewise.ai/threats/cve-2015-8124-symfony-session-fixation-vulnerability) (low, CVSS 3.1, published 14 May 2022)
- [CVE-2021-21424: Prevent user enumeration using Guard or the new Authenticator-based Security](https://junglewise.ai/threats/cve-2021-21424-prevent-user-enumeration-using-guard-or-the-new-authenticator) (low, CVSS 3.1, published 13 May 2021)
- [CVE-2019-18886: User enumeration leak using switch user functionality in Symfony](https://junglewise.ai/threats/cve-2019-18886-user-enumeration-leak-using-switch-user-functionality-in-symfony) (low, CVSS 3.1, published 2 Dec 2019)
- [CVE-2021-32693: Authentication granted to all firewalls instead of just one](https://junglewise.ai/threats/cve-2021-32693-authentication-granted-to-all-firewalls-instead-of-just-one) (low, CVSS 3.1, published 21 Jun 2021)
- [CVE-2020-5275: Firewall configured with unanimous strategy was not actually unanimous in Symfony](https://junglewise.ai/threats/cve-2020-5275-firewall-configured-with-unanimous-strategy-was-not-actually) (low, CVSS 3.1, published 30 Mar 2020)

## 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 |

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- [craftcms/cms (Packagist)](https://junglewise.ai/threats/technologies/craftcms-cms): 143 vulnerabilities
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- [getgrav/grav (Packagist)](https://junglewise.ai/threats/technologies/getgrav-grav): 127 vulnerabilities
- [typo3/cms-core (Packagist)](https://junglewise.ai/threats/technologies/typo3-cms-core): 127 vulnerabilities
- [concrete5/concrete5 (Packagist)](https://junglewise.ai/threats/technologies/concrete5-concrete5): 122 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 (Packagist) vulnerabilities", https://junglewise.ai/threats/technologies/symfony-security-http, 9 November 2026.
