CVE-2026-58612: Csharp Serializable Attribute Deserialization

Classes or methods decorated with '[Serializable]' or '[OnDeserialized]' enable legacy binary deserialization, which can lead to insecure object deserialization (CWE-502) and Server-Side Request Forgery (SSRF).

Provally CuratedPublic repositoryMediumMedium confidenceVerifiedApache-2.0

greprules fetch cve-2026-58612-csharp-serializable-attribute-deserialization --engine opengrep

Description

License: Apache-2.0
Source context: Public repository
Source: Provally CVE rule catalog
Validation status: Verified
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