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CVE-2023-46733: Symfony possible session fixation vulnerability

medium Affects symfony/security-http, symfony/symfony. Feed 2026.10.29.2, updated 2026-10-29; published ; advisory modified .

Symfony possible session fixation vulnerability

Package
symfony/security-http Composer
Affected versions
>=5.4.21 and <5.4.31 or >=6.2.7 and <6.3.8 or >=5.4.0 and <5.4.31 or >=6.0.0 and <6.1.0 or >=6.1.0 and <6.2.0 or >=6.2.0 and <6.3.0 or >=6.3.0 and <6.3.8
Fixed in
5.4.31, 6.3.8
Severity
medium  CVSS 6.5
Exploitation
not on CISA KEV · EPSS 1% (52.7th percentile)
Published
2023-11-12
Source
osv.dev

References

Symfony possible session fixation vulnerability

Package
symfony/symfony Composer
Affected versions
>=5.4.21 and <5.4.31 or >=6.2.7 and <6.3.8 or >=5.4.0 and <5.4.31 or >=6.0.0 and <6.1.0 or >=6.1.0 and <6.2.0 or >=6.2.0 and <6.3.0 or >=6.3.0 and <6.3.8
Fixed in
5.4.31, 6.3.8
Severity
medium  CVSS 6.5
Exploitation
not on CISA KEV · EPSS 1% (52.7th percentile)
Published
2023-11-12
Source
osv.dev

References

CWE-384
NVD recordsymfony/security-http advisoriessymfony/symfony advisories

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# then
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