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CVE-2025-70974

37
FAUCET Score

CVE-2025-70974 is a critical vulnerability in Fastjson versions prior to 1.2.48, stemming from an incomplete fix for a previous issue. It allows for JNDI injection due to improper handling of the @type key in JSON documents, potentially leading to remote code execution. This vulnerability has a CVSS score of 10.0 (CRITICAL) with a network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. The flaw has been actively exploited in the wild between 2023 and 2025, and while no public exploit code is listed, it has garnered significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0, < 1.2.48CPE match
cpe:2.3:a:alibaba:fastjson:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

10.0CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.69%
Probability of exploitation in next 30 days
EPSS Percentile
49.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0069 is in the 31st percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: com.alibaba:fastjsonFixed in: 1.2.48

Vendor Advisories (2)

mavenGHSA-jm7w-5684-pvh8critical

FASTJSON Includes Functionality from Untrusted Control Sphere

Jan 9, 2026
redhatCVE-2025-70974Critical

fastjson: Fastjson: Remote Code Execution via JNDI Injection due to autoType mishandling

Jan 9, 2026

References

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