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P4Verified
CVE-2021-48012: fast-toml 0 through 0.5.4
CVE-2021-48012. CVSS 3.1 base score 8.2 (GitHub Advisory Database).
Affected technology
fast-toml · 0 through 0.5.4
Gin-Quin
Description’s affected range: through 0.5.4
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Attackers can pass [__proto__] or [constructor.prototype] table headers or __proto__.x dotted keys to parse() to pollute all objects, causing denial of service or authorization bypass. Vendor/CNA’s CVSS 4.0 assessment (base score 8.8/10) rates confidentiality impact as none; integrity impact as high; availability impact as low.
- CWE
- CWE-1321
- CCR priority
- 32.8 /100 (P4)
- CVSS 3.1
- 8.2 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L · GitHub Advisory Database
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-13 02:51:46.931182+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-13 01:49:08.152775+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2021-48012.html