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CVE-2021-23420: Deserialization of Untrusted Data in codeception/codeception

critical Affects codeception/codeception. Feed 2026.10.29.3, updated 2026-10-29; published ; advisory modified .

Deserialization of Untrusted Data in codeception/codeception

Package
codeception/codeception Composer
Affected versions
<3.1.3 or >=4.0.0 and <4.1.22 or >=4.1.0 and <4.1.22 or >=4.0.0 and <4.1.0
Fixed in
3.1.3, 4.1.22
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 3% (86.0th percentile)
Published
2021-09-01
Source
osv.dev

References

CWE-502
NVD recordcodeception/codeception advisories

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