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CVE-2025-70974

10.0 · CRITICAL
Published Jan 9, 2026 CWE-829

Overview

CVE-2025-70974 is a critical-severity vulnerability. It was published on January 9, 2026 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Ref cert.360.cn/warning/detail?id=7240aeab581c6dc2c9c5350756079955 GitHub github.com/alibaba/fastjson/compare/1.2.47...1.2.48 GitHub github.com/vulhub/vulhub/tree/master/fastjson/1.2.47-rce Ref www.cloudsek.com/blog/androxgh0st-continues-exploitation-operators-compromise-a-us-university-for-hosting-c2-logger Ref www.cnvd.org.cn/flaw/show/CNVD-2019-22238 Ref www.freebuf.com/vuls/208339.html Ref www.seebug.org/vuldb/ssvid-98020 Ref access.redhat.com/security/cve/CVE-2025-70974 Ref bugzilla.redhat.com/show_bug.cgi?id=2428203 Ref security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-70974.json

Frequently Asked Questions

What is CVE-2025-70974?

CVE-2025-70974 is a critical-severity vulnerability. It was published on January 9, 2026 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

How severe is CVE-2025-70974?

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-70974?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-70974?

CyberStrike's AI-powered security agents can automatically detect CVE-2025-70974 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

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Code Review

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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