KEV Entry

CVE-2025-70974

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2025-70974

2026-06-01 10:48 UTC

Timestamps

2026-06-01

2026-06-01

Scope

KEVIntel entry: 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,... | Affected: Alibaba / Fastjson | CVSS: 10.0 (CRITICAL) | EPSS: 0.00571 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2025-70974', 'url': 'https://www.cve.org/CVERecord?id=CVE-2025-70974'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2025-70974'}

d5989f94-198e-4bc1-8433-2caad530eef2

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-19 12:42 UTC

2026-06-19 12:42 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2026-06-01T10:48:34.862Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 10.0,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.42726,
  "epss_score": 0.00571,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": true,
  "product": "Fastjson",
  "title": "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,...",
  "used_in_malware": "unknown",
  "vendor": "Alibaba"
}
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