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CVE-2026-84301

6.3 Moyenne

Publiée le 22/09/2026 à 19:17 · Modifiée le 26/09/2026 à 02:16 · Analyse NVD reportée · Source : security-advisories@github.com

Description

FastGPT is an open-source LLM platform for building AI applications on a knowledge base. Prior to 4.15.2, the safe Axios request interceptor in packages/service/common/api/axios.ts validates a hostname with isInternalAddress() before a later HTTP connection performs an independent DNS lookup, creating a DNS rebinding window, allowing an attacker-controlled hostname to resolve publicly during the check and to a loopback, private, link-local, or metadata address during connection. An authenticated attacker who can supply a URL to a safe-Axios-backed HTTP tool, workflow HTTP node, external file fetch, or other server-side integration can use this time-of-check/time-of-use gap to reach services that direct private-address inputs would block. The same independent re-resolution occurs after manual redirect hops because each redirect target is checked before a separate connection lookup. This issue is fixed in version 4.15.2.

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Produits concernés

Scores CVSS

VersionScoreSourceVecteur
3.1 6.3 Moyenne security-advisories@github.com CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Faiblesses (CWE)

Références

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