CVE-2018-11406: Symfony CSRF Token Fixation

high Affects symfony/security, symfony/security-bundle, symfony/security-http, symfony/symfony, symfony/security-csrf. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Symfony CSRF Token Fixation

Package
symfony/security Composer
Affected versions
>=2.7.0 and <2.7.48 or >=2.8.0 and <2.8.41 or >=3.0.0 and <3.3.17 or >=3.4.0 and <3.4.11 or >=4.0.0 and <4.0.11 or >=2.0.0 and <2.1.0 or >=2.1.0 and <2.2.0 or >=2.2.0 and <2.3.0 or >=2.3.0 and <2.4.0 or >=2.4.0 and <2.5.0 or >=2.5.0 and <2.6.0 or >=2.6.0 and <2.7.0 or >=3.0.0 and <3.1.0 or >=3.1.0 and <3.2.0 or >=3.2.0 and <3.3.0 or >=3.3.0 and <3.3.17
Fixed in
2.7.48, 2.8.41, 3.3.17, 3.4.11, 4.0.11
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (54.8th percentile)
Published
2022-05-14
Source
osv.dev

References

Symfony CSRF Token Fixation

Package
symfony/security-bundle Composer
Affected versions
>=2.7.0 and <2.7.48 or >=2.8.0 and <2.8.41 or >=3.0.0 and <3.3.17 or >=3.4.0 and <3.4.11 or >=4.0.0 and <4.0.11 or >=2.0.0 and <2.1.0 or >=2.1.0 and <2.2.0 or >=2.2.0 and <2.3.0 or >=2.3.0 and <2.4.0 or >=2.4.0 and <2.5.0 or >=2.5.0 and <2.6.0 or >=2.6.0 and <2.7.0 or >=3.0.0 and <3.1.0 or >=3.1.0 and <3.2.0 or >=3.2.0 and <3.3.0 or >=3.3.0 and <3.3.17
Fixed in
2.7.48, 2.8.41, 3.3.17, 3.4.11, 4.0.11
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (54.8th percentile)
Published
2022-05-14
Source
osv.dev

References

Symfony CSRF Token Fixation

Package
symfony/security-http Composer
Affected versions
>=2.7.0 and <2.7.48 or >=2.8.0 and <2.8.41 or >=3.0.0 and <3.3.17 or >=3.4.0 and <3.4.11 or >=4.0.0 and <4.0.11 or >=2.4.0 and <2.7.48 or >=2.5.0 and <2.7.48 or >=2.6.0 and <2.7.48 or >=3.0.0 and <3.1.0 or >=3.1.0 and <3.2.0 or >=3.2.0 and <3.3.0 or >=3.3.0 and <3.3.17
Fixed in
2.7.48, 2.8.41, 3.3.17, 3.4.11, 4.0.11
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (54.8th percentile)
Published
2022-05-14
Source
osv.dev

References

Symfony CSRF Token Fixation

Package
symfony/symfony Composer
Affected versions
>=2.7.0 and <2.7.48 or >=2.8.0 and <2.8.41 or >=3.0.0 and <3.3.17 or >=3.4.0 and <3.4.11 or >=4.0.0 and <4.0.11 or >=2.0.0 and <2.1.0 or >=2.1.0 and <2.2.0 or >=2.2.0 and <2.3.0 or >=2.3.0 and <2.4.0 or >=2.4.0 and <2.5.0 or >=2.5.0 and <2.6.0 or >=2.6.0 and <2.7.0 or >=3.0.0 and <3.1.0 or >=3.1.0 and <3.2.0 or >=3.2.0 and <3.3.0 or >=3.3.0 and <3.3.17
Fixed in
2.7.48, 2.8.41, 3.3.17, 3.4.11, 4.0.11
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (54.8th percentile)
Published
2022-05-14
Source
osv.dev

References

CVE-2018-11406: CSRF Token Fixation

Package
symfony/security-csrf Composer
Affected versions
>=2.4.0 and <2.7.48 or >=2.5.0 and <2.7.48 or >=2.6.0 and <2.7.48 or >=2.7.0 and <2.7.48 or >=2.8.0 and <2.8.41 or >=3.0.0 and <3.1.0 or >=3.1.0 and <3.2.0 or >=3.2.0 and <3.3.0 or >=3.3.0 and <3.3.17 or >=3.4.0 and <3.4.11 or >=4.0.0 and <4.0.11
Fixed in
2.7.48, 2.8.41, 3.3.17, 3.4.11, 4.0.11
Severity
unknown
Exploitation
not on CISA KEV · EPSS 1% (54.8th percentile)
Source
friendsofphp

References

CWE-352
NVD recordsymfony/security advisoriessymfony/security-bundle advisoriessymfony/security-http advisoriessymfony/symfony advisoriessymfony/security-csrf advisories

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