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EUVD-2026-337825

2026-10-05T17:39:58.783751+00:00

EUVD-2026-337825

fkie_cve-2025-70974

2026-10-05T17:39:58.783805+00:00

Fastjson before 1.2.48 mishandles autoType because, when an @type key is in a JSON document, and the value of that key is the name of a Java class, there may be calls to certain public methods of that class. Depending on the behavior of those methods, there may be JNDI injection with an attacker-supplied payload located elsewhere in that JSON document. This was exploited in the wild in 2023 through 2025. NOTE: this issue exists because of an incomplete fix for CVE-2017-18349. Also, a later bypass is covered by CVE-2022-25845.

GHSA-jm7w-5684-pvh8 — FASTJSON Includes Functionality from Untrusted Control Sphere

2026-10-05T17:39:58.783861+00:00

Affected: Maven: com.alibaba:fastjson

Fastjson before 1.2.48 mishandles autoType because, when an `@type` key is in a JSON document, and the value of that key is the name of a Java class, there may be calls to certain public methods of that class. Depending on the behavior of those methods, there may be JNDI injection with an attacker-supplied payload located elsewhere in that JSON document. This was exploited in the wild in 2023 through 2025. NOTE: this issue exists because of an incomplete fix for CVE-2017-18349. Also, a later bypass is covered by CVE-2022-25845.