CVE-2026-63386— js-toml: Uncontrolled recursion in `load()` causes `RangeError` (stack exhaustion) on deeply nested input
一分钟漏洞结论
影响对象
sunnyadn js-toml
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
js-toml is a TOML parser for JavaScript. Prior to 1.1.3, load() does not bound nesting or dotted-key depth in the recursive parser at src/load/parser.ts or the interpreter at src/load/interpreter.ts, so deeply nested arrays, deeply nested inline tables, or lon
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一、 漏洞 CVE-2026-63386 基础信息
漏洞信息
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Vulnerability Title
js-toml: Uncontrolled recursion in `load()` causes `RangeError` (stack exhaustion) on deeply nested input
来源: CVE Program / CVE List V5
Vulnerability Description
js-toml is a TOML parser for JavaScript. Prior to 1.1.3, load() does not bound nesting or dotted-key depth in the recursive parser at src/load/parser.ts or the interpreter at src/load/interpreter.ts, so deeply nested arrays, deeply nested inline tables, or long dotted keys can exhaust the V8 call stack and throw a raw RangeError instead of the documented SyntaxParseError. Applications that parse attacker-controlled TOML and handle only SyntaxParseError can rethrow the unexpected exception, which can terminate a worker or process and cause denial of service. The exception is synchronous and catchable by consumers that handle all exceptions, and the issue does not affect confidentiality or integrity. This issue is fixed in version 1.1.3.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
来源: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
来源: CVE Program / CVE List V5
受影响产品
二、漏洞 CVE-2026-63386 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
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CVE-2026-63386 其他参考 (3)
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https://github.com/sunnyadn/js-toml/releases/tag/v1.1.3 x_refsource_MISC
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https://github.com/sunnyadn/js-toml/security/advisories/GHSA-3g82-77xr-68x5 x_refsource_CONFIRM
IV. Related Vulnerabilities
V. Comments for CVE-2026-63386
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