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2026-11-04-6: ObjectNormalizer Dotted-Key Property-Path Traversal Bypasses #[Ignore] on Nested Objects

unknown Affects symfony/serializer, symfony/symfony. Feed 2026.11.09.1, updated 2026-11-08.

ObjectNormalizer Dotted-Key Property-Path Traversal Bypasses #[Ignore] on Nested Objects

Package
symfony/serializer Composer
Affected versions
>=5.4.41 and <5.4.56 or >=6.4.9 and <6.4.50 or >=7.0.9 and <7.1.0 or >=7.1.2 and <7.2.0 or >=7.2.0 and <7.3.0 or >=7.3.0 and <7.4.0 or >=7.4.0 and <7.4.23 or >=8.0.0 and <8.1.0 or >=8.1.0 and <8.1.11
Fixed in
5.4.56, 6.4.50, 7.4.23, 8.1.11
Severity
unknown
Exploitation
not on CISA KEV
Source
friendsofphp

References

ObjectNormalizer Dotted-Key Property-Path Traversal Bypasses #[Ignore] on Nested Objects

Package
symfony/symfony Composer
Affected versions
>=5.4.41 and <5.4.56 or >=6.4.9 and <6.4.50 or >=7.0.9 and <7.1.0 or >=7.1.2 and <7.2.0 or >=7.2.0 and <7.3.0 or >=7.3.0 and <7.4.0 or >=7.4.0 and <7.4.23 or >=8.0.0 and <8.1.0 or >=8.1.0 and <8.1.11
Fixed in
5.4.56, 6.4.50, 7.4.23, 8.1.11
Severity
unknown
Exploitation
not on CISA KEV
Source
friendsofphp

References

NVD recordsymfony/serializer advisoriessymfony/symfony advisories

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