# com.alibaba:fastjson (Maven) vulnerabilities

4 known vulnerabilities (2 critical, 1 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 2.0.66 (Oct 18, 2026): no advisory affects it
- Newest unaffected release: 2.0.66 (Oct 18, 2026), the latest release
- Dependents: 116
- Releases: 359 since 1.1.15 (Feb 7, 2012)
- Registry: https://central.sonatype.com/artifact/com.alibaba/fastjson
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-16723: 1.2.68 to 1.2.83 (1.2.83_noneautotype is outside it)
- CVE-2025-70974: 1.1.15 to 1.2.47 (1.2.48 is outside it)
- CVE-2022-25845: 1.2.25 to 1.2.80 (1.2.83 is outside it)
- CVE-2017-18349: 1.1.15 to 1.2.30 (1.2.31 is outside it)

## Advisories (4)

### [CVE-2026-16723](https://cve.now/CVE-2026-16723): Remote Code Execution in fastjson 1.2.68–1.2.83

- Severity: Critical 9.0
- Published: Jul 23, 2026
- Affected: from 1.2.68, through 1.2.83.
- Fixed in 1.2.83_noneautotype (released Jun 13, 2022, 1501 days before disclosure), the first release outside every affected range (no listed fixed version clears them all).
- The latest release, 2.0.66, is not affected.

### [CVE-2025-70974](https://cve.now/CVE-2025-70974): 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…

- Severity: Critical 10.0
- Published: Jan 9, 2026
- Affected: fixed in 1.2.48.
- Fixed in 1.2.48 (released Aug 4, 2018, 2715 days before disclosure).
- The latest release, 2.0.66, is not affected.

### [CVE-2022-25845](https://cve.now/CVE-2022-25845): Deserialization of Untrusted Data

- Severity: High 8.1
- Published: Jun 10, 2022
- Affected: from 1.2.25, fixed in 1.2.83.
- Fixed in 1.2.83 (released May 22, 2022, 19 days before disclosure).
- The latest release, 2.0.66, is not affected.

### [CVE-2017-18349](https://cve.now/CVE-2017-18349): parseObject in Fastjson before 1.2.25, as used in FastjsonEngine in Pippo 1.11.0 and other products, allows remote attackers to execute…

- Severity: Unrated
- Published: Oct 23, 2018
- Affected: fixed in 1.2.31.
- Fixed in 1.2.31 (released Apr 3, 2017, 568 days before disclosure).
- The latest release, 2.0.66, is not affected.

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