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CVE-2025-64500: Symfony's incorrect parsing of PATH_INFO can lead to limited authorization bypass

high Affects symfony/http-foundation, symfony/symfony. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

Symfony's incorrect parsing of PATH_INFO can lead to limited authorization bypass

Package
symfony/http-foundation Composer
Affected versions
<5.4.50 or >=6.0.0 and <6.4.29 or >=7.0.0 and <7.3.7 or >=2.0.0 and <3.0.0 or >=3.0.0 and <4.0.0 or >=4.0.0 and <5.0.0 or >=5.0.0 and <5.1.0 or >=5.1.0 and <5.2.0 or >=5.2.0 and <5.3.0 or >=5.3.0 and <5.4.0 or >=5.4.0 and <5.4.50 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 <6.4.0 or >=6.4.0 and <6.4.29 or >=7.0.0 and <7.1.0 or >=7.1.0 and <7.2.0 or >=7.2.0 and <7.3.0 or >=7.3.0 and <7.3.7
Fixed in
5.4.50, 6.4.29, 7.3.7
Severity
high  CVSS 7.3
Exploitation
not on CISA KEV · EPSS 1% (72.6th percentile)
Published
2025-11-12
Source
osv.dev

References

Symfony's incorrect parsing of PATH_INFO can lead to limited authorization bypass

Package
symfony/symfony Composer
Affected versions
>=2.0.0 and <5.4.50 or >=6.0.0 and <6.4.29 or >=7.0.0 and <7.3.7 or >=2.0.0 and <3.0.0 or >=3.0.0 and <4.0.0 or >=4.0.0 and <5.0.0 or >=5.0.0 and <5.1.0 or >=5.1.0 and <5.2.0 or >=5.2.0 and <5.3.0 or >=5.3.0 and <5.4.0 or >=5.4.0 and <5.4.50 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 <6.4.0 or >=6.4.0 and <6.4.29 or >=7.0.0 and <7.1.0 or >=7.1.0 and <7.2.0 or >=7.2.0 and <7.3.0 or >=7.3.0 and <7.3.7
Fixed in
5.4.50, 6.4.29, 7.3.7
Severity
high  CVSS 7.3
Exploitation
not on CISA KEV · EPSS 1% (72.6th percentile)
Published
2025-11-12
Source
osv.dev

References

CWE-647
NVD recordsymfony/http-foundation advisoriessymfony/symfony advisories

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