Fastjson
Vendor:
First CVE: Oct 23, 2018 · Active for 7 years
4
Total CVEs
More Total CVEs than 72% of tracked products
1.3
Avg CVEs / Year
Higher CVE frequency than 55% of tracked products
9.7
Avg CVSS
Higher Avg CVSS than 87% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Fastjson over time
Volume of CVEsAvg CVSS Base Score
First CVE
Oct 23, 2018
7 years ago
Most Recent CVE
Jul 23, 2026
1 day ago
CVE Severity & Scoring
Fastjson4 CVEs
100%
All CVEs352,294 CVEs
45%
40%
11%
Critical
Attack Vector
Local0 (0.0%)
Network4 (100.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low3 (75.0%)
High1 (25.0%)
Unknown0 (0.0%)
User Interaction
None4 (100.0%)
Unknown0 (0.0%)
Required0 (0.0%)
Privileges Required
Low0 (0.0%)
High0 (0.0%)
None4 (100.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (4 CVEs).
4 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2017-18349CRITICAL parseObject in Fastjson before 1.2.25, as used in FastjsonEngine in Pippo 1.11.0 and other products, allows remote attackers to execute arbitrary code via a crafted JSON request, a | Oct 23, 2018 | 9.8 | 64 | NO | YES |
CVE-2026-16723CRITICAL A remote code execution (RCE) vulnerability exists in fastjson 1.2.68 through 1.2.83. This vulnerability is exploitable under fastjson's stock default configuration — no AutoType e | Jul 23, 2026 | 9.0 | 39 | NO | NO |
CVE-2022-25845CRITICAL The package com.alibaba:fastjson before 1.2.83 are vulnerable to Deserialization of Untrusted Data by bypassing the default autoType shutdown restrictions, which is possible under | Jun 10, 2022 | 9.8 | 39 | NO | NO |
CVE-2025-70974CRITICAL 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 pu | Jan 9, 2026 | 10.0 | 37 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (4 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
1 CVE
25.0% of CVEs· 98th percentile
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (4 CVEs).
Media Mentions
Signals from CVEs in this product scope (4 CVEs).
Top CNAs Publishing CVEs For Fastjson
Top CWEs
Versions
No cataloged versions.