CVE-2026-44293 (GCVE-0-2026-44293)

Vulnerability from cvelistv5 – Published: 2026-05-13 14:43 – Updated: 2026-07-02 12:05
VLAI?
Title
protobufjs: Code injection through bytes field defaults in generated toObject code
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs generated JavaScript for toObject conversion could include an unsafe expression derived from a schema-controlled bytes field default value. A crafted descriptor with a non-string default value for a bytes field could cause attacker-controlled code to be emitted into the generated conversion function. This vulnerability is fixed in 7.5.6 and 8.0.2.
Severity ?
7.7 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
Vendor Product Version
protobufjs protobuf.js Affected: < 7.5.6
Affected: >= 8.0.0, < 8.0.2
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