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6 vulnerabilities found for Fastjson by Alibaba

CVE-2025-70974 (GCVE-0-2025-70974)

Vulnerability from cvelistv5 – Published: 2026-01-09 06:43 – Updated: 2026-01-09 21:37
VLAI
Summary
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 public methods of that class. Depending on the behavior of those methods, there may be JNDI injection with an attacker-supplied payload located elsewhere in that JSON document. This was exploited in the wild in 2023 through 2025. NOTE: this issue exists because of an incomplete fix for CVE-2017-18349. Also, a later bypass is covered by CVE-2022-25845.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-829 - Inclusion of Functionality from Untrusted Control Sphere
Assigner
References
Impacted products
Vendor Product Version
Alibaba Fastjson Affected: 0 , < 1.2.48 (custom)
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CVE-2022-25845 (GCVE-0-2022-25845)

Vulnerability from cvelistv5 – Published: 2022-06-10 20:05 – Updated: 2024-09-16 23:36
VLAI
Title
Deserialization of Untrusted Data
Summary
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 certain conditions. Exploiting this vulnerability allows attacking remote servers. Workaround: If upgrading is not possible, you can enable [safeMode](https://github.com/alibaba/fastjson/wiki/fastjson_safemode).
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P
CWE
  • Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
n/a com.alibaba:fastjson Affected: unspecified , < 1.2.83 (custom)
Date Public
2022-06-10 00:00
Credits
Unknown
Show details on NVD website
To clipboard 

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CVE-2017-18349 (GCVE-0-2017-18349)

Vulnerability from cvelistv5 – Published: 2018-10-23 20:00 – Updated: 2024-09-17 00:02
VLAI
Summary
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, as demonstrated by a crafted rmi:// URI in the dataSourceName field of HTTP POST data to the Pippo /json URI, which is mishandled in AjaxApplication.java.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2025-70974 (GCVE-0-2025-70974)

Vulnerability from nvd – Published: 2026-01-09 06:43 – Updated: 2026-01-09 21:37
VLAI
Summary
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 public methods of that class. Depending on the behavior of those methods, there may be JNDI injection with an attacker-supplied payload located elsewhere in that JSON document. This was exploited in the wild in 2023 through 2025. NOTE: this issue exists because of an incomplete fix for CVE-2017-18349. Also, a later bypass is covered by CVE-2022-25845.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-829 - Inclusion of Functionality from Untrusted Control Sphere
Assigner
References
Impacted products
Vendor Product Version
Alibaba Fastjson Affected: 0 , < 1.2.48 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-25845 (GCVE-0-2022-25845)

Vulnerability from nvd – Published: 2022-06-10 20:05 – Updated: 2024-09-16 23:36
VLAI
Title
Deserialization of Untrusted Data
Summary
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 certain conditions. Exploiting this vulnerability allows attacking remote servers. Workaround: If upgrading is not possible, you can enable [safeMode](https://github.com/alibaba/fastjson/wiki/fastjson_safemode).
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P
CWE
  • Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
n/a com.alibaba:fastjson Affected: unspecified , < 1.2.83 (custom)
Date Public
2022-06-10 00:00
Credits
Unknown
Show details on NVD website
To clipboard 

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CVE-2017-18349 (GCVE-0-2017-18349)

Vulnerability from nvd – Published: 2018-10-23 20:00 – Updated: 2024-09-17 00:02
VLAI
Summary
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, as demonstrated by a crafted rmi:// URI in the dataSourceName field of HTTP POST data to the Pippo /json URI, which is mishandled in AjaxApplication.java.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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