Nixpkgs security tracker
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CVE-2026-16723
9.0 CRITICAL
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): High (H)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Changed (C)
- Confidentiality (C): High (H)
- Integrity (I): High (H)
- Availability (A): High (H)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): High (H)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): High (H)
- Modified Scope (MS): Changed (C)
- Modified Integrity (MI): High (H)
- Modified Availability (MA): High (H)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse dismissed (not in Nixpkgs)
Remote Code Execution in fastjson 1.2.68–1.2.83
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 enablement required, no classpath gadget required.
References
-
https://github.com/alibaba/fastjson2/wiki/Security-Advisory:-Remote-Code-Execut… vendor-advisorymitigation
Affected products
Fastjson
- =<1.2.83
Matching in nixpkgs
pkgs.fastJson
Fast json library for C
pkgs.libfastjson
Fast json library for C
pkgs.python313Packages.fastjsonschema
JSON schema validator for Python