High severity8.8NVD Advisory· Published Jun 13, 2018· Updated Jun 17, 2026
CVE-2018-11406
CVE-2018-11406
Description
An issue was discovered in the Security component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11. By default, a user's session is invalidated when the user is logged out. This behavior can be disabled through the invalidate_session option. In this case, CSRF tokens were not erased during logout which allowed for CSRF token fixation.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
symfony/symfonyPackagist | >= 2.7.0, < 2.7.48 | 2.7.48 |
symfony/symfonyPackagist | >= 2.8.0, < 2.8.41 | 2.8.41 |
symfony/symfonyPackagist | >= 3.0.0, < 3.3.17 | 3.3.17 |
symfony/symfonyPackagist | >= 3.4.0, < 3.4.11 | 3.4.11 |
symfony/symfonyPackagist | >= 4.0.0, < 4.0.11 | 4.0.11 |
symfony/security-bundlePackagist | >= 2.7.0, < 2.7.48 | 2.7.48 |
symfony/security-bundlePackagist | >= 2.8.0, < 2.8.41 | 2.8.41 |
symfony/security-bundlePackagist | >= 3.0.0, < 3.3.17 | 3.3.17 |
symfony/security-bundlePackagist | >= 3.4.0, < 3.4.11 | 3.4.11 |
symfony/security-bundlePackagist | >= 4.0.0, < 4.0.11 | 4.0.11 |
symfony/security-httpPackagist | >= 2.7.0, < 2.7.48 | 2.7.48 |
symfony/security-httpPackagist | >= 2.8.0, < 2.8.41 | 2.8.41 |
symfony/security-httpPackagist | >= 3.0.0, < 3.3.17 | 3.3.17 |
symfony/security-httpPackagist | >= 3.4.0, < 3.4.11 | 3.4.11 |
symfony/security-httpPackagist | >= 4.0.0, < 4.0.11 | 4.0.11 |
symfony/securityPackagist | >= 2.7.0, < 2.7.48 | 2.7.48 |
symfony/securityPackagist | >= 2.8.0, < 2.8.41 | 2.8.41 |
symfony/securityPackagist | >= 3.0.0, < 3.3.17 | 3.3.17 |
symfony/securityPackagist | >= 3.4.0, < 3.4.11 | 3.4.11 |
symfony/securityPackagist | >= 4.0.0, < 4.0.11 | 4.0.11 |
Affected products
4- ghsa-coords4 versionspkg:composer/symfony/securitypkg:composer/symfony/security-bundlepkg:composer/symfony/security-httppkg:composer/symfony/symfony
>= 2.7.0, < 2.7.48+ 3 more
- (no CPE)range: >= 2.7.0, < 2.7.48
- (no CPE)range: >= 2.7.0, < 2.7.48
- (no CPE)range: >= 2.7.0, < 2.7.48
- (no CPE)range: >= 2.7.0, < 2.7.48
Patches
Vulnerability mechanics
References
16- github.com/advisories/GHSA-g4g7-q726-v5hgghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2018-11406ghsaADVISORY
- symfony.com/blog/cve-2018-11406-csrf-token-fixationnvdVendor AdvisoryWEB
- www.debian.org/security/2018/dsa-4262nvdThird Party AdvisoryWEB
- github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-bundle/CVE-2018-11406.yamlghsaWEB
- github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-http/CVE-2018-11406.yamlghsaWEB
- github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security/CVE-2018-11406.yamlghsaWEB
- github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2018-11406.yamlghsaWEB
- github.com/symfony/symfony/commit/319e1bdd43979d9c1559497de8d69adea28ab8d1ghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G4XNBMFW33H47O5TZGA7JYCVLDBCXAJVghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBQK7JDXIELADIPGZIOUCZKMAJM5LSBWghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WU5N2TZFNGXDGMXMPP7LZCWTFLENF6WHghsaWEB
- symfony.com/cve-2018-11406ghsaWEB
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G4XNBMFW33H47O5TZGA7JYCVLDBCXAJV/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UBQK7JDXIELADIPGZIOUCZKMAJM5LSBW/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WU5N2TZFNGXDGMXMPP7LZCWTFLENF6WH/nvd
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