NVD Vulnerability Detail
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CVE-2026-56306
Summary

Capgo before 12.128.2 contains a weak parsing vulnerability in the x-limited-key-id header that allows attackers to bypass subkey enforcement by submitting malformed values, zero, or duplicate headers that result in NaN or falsy values. Remote attackers can manipulate the x-limited-key-id header to disable limited key scoping and execute requests using the main API key context instead of restricted subkey permissions.

Publication Date June 23, 2026, 7:16 a.m.
Registration Date June 27, 2026, 4:12 a.m.
Last Update June 23, 2026, 11:52 p.m.
CVSS3.1 : MEDIUM
スコア 6.4
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR)
利用者の関与(UI) 不要
影響の想定範囲(S) 変更あり
機密性への影響(C)
完全性への影響(I)
可用性への影響(A) なし
Related information, measures and tools
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