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CVE-2020-5220: CVE-2020-5220: Ability to define unintended serialisation groups via HTTP header which might lead to data exposure

unknown Affects sylius/resource-bundle, sylius/sylius. Feed 2026.10.29.4, updated 2026-10-29; CVE published 2020.

CVE-2020-5220: Ability to define unintended serialisation groups via HTTP header which might lead to data exposure

Package
sylius/resource-bundle Composer
Affected versions
>=1.0.0 and <1.1.0 or >=1.1.0 and <1.2.0 or >=1.2.0 and <1.3.0 or >=1.3.0 and <1.3.13 or >=1.4.0 and <1.4.6 or >=1.5.0 and <1.5.1 or >=1.6.0 and <1.6.3
Fixed in
1.3.13, 1.4.6, 1.5.1, 1.6.3
Severity
unknown
Exploitation
not on CISA KEV · EPSS 1% (54.4th percentile)
Source
friendsofphp

References

CVE-2020-5220: Ability to define unintended serialisation groups via HTTP header which might lead to data exposure

Package
sylius/sylius Composer
Affected versions
>=1.0.0 and <1.1.0 or >=1.1.0 and <1.2.0 or >=1.2.0 and <1.3.0 or >=1.3.0 and <1.3.12 or >=1.4.0 and <1.4.4
Fixed in
1.3.12, 1.4.4
Severity
unknown
Exploitation
not on CISA KEV · EPSS 1% (54.4th percentile)
Source
friendsofphp

References

NVD recordsylius/resource-bundle advisoriessylius/sylius advisories

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