Known vulnerabilities in Fastjson

Vendor: Daye
Software: Fastjson
Software CPE: cpe:2.3:a:oschina:fastjson:*:*:*:*:*:*:*:*
Total vulnerabilities: 4
Public exploits: 2
Known exploited (KEV): 1
Highest CVSSv4 Score: 9.3

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting Fastjson Fastjson is affected by 4 known vulnerabilities: 1 critical, 3 high Critical High Medium Low

Vulnerabilities (4)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU140629 - Improper input validation
CVE-2026-16723
CWE-20 Critical
Available
Exploited
1.2.84 31.07.2026 SB20260731175
#VU65369 - Deserialization of Untrusted Data
CVE-2022-25845
CWE-502 High
Available
No
1.2.83 16.07.2022 SB2022071614
SB2022071950
#VU23397 - Improper input validation
CWE-20 High
No
No
- 04.12.2019 SB2019120419
SB2019120420
#VU31188 - Improper Control of Generation of Code ('Code Injection')
CVE-2017-18349
CWE-94 High
No
No
1.2.25 23.10.2018 SB2018102314