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CVE-2026-46649— Joplin: SSO Auth Code Login Missing Rate Limiting — 9-Digit Numeric Code Brute-Forceable via Unprotected Endpoint

一分钟漏洞结论

影响对象
laurent22 joplin
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。

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, Joplin Server's GET /api/login_with_code/:id endpoint accepts a nine-digit SSO authentication code with a ten-minute lifetime without appl

CVSS 9.1 · Critical EPSS 0.38% · P32
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一、 漏洞 CVE-2026-46649 基础信息

漏洞信息

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Vulnerability Title
Joplin: SSO Auth Code Login Missing Rate Limiting — 9-Digit Numeric Code Brute-Forceable via Unprotected Endpoint
来源: CVE Program / CVE List V5
Vulnerability Description
Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, Joplin Server's GET /api/login_with_code/:id endpoint accepts a nine-digit SSO authentication code with a ten-minute lifetime without applying limiterLoginBruteForce. An unauthenticated attacker who targets a user during an active SSO login can make unlimited guesses, and a correct code returns a full session token that permits access to and modification of the user's notes, notebooks, and account settings. This issue is fixed in version 3.7.2.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
laurent22 joplin < 3.7.2 -

二、漏洞 CVE-2026-46649 的公开POC

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三、漏洞 CVE-2026-46649 的情报信息

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CVE-2026-46649 补丁与修复 (2)

CVE-2026-46649 其他参考 (2)

同批安全公告 · laurent22 · 2026-09-21 · 共 11 条

CVE-2026-55105 7.7 HIGH Joplin: Fountain embeds allow arbitrary script execution in published notes and the note v
CVE-2026-59814 7.6 HIGH Joplin: Stored XSS via inline-served note attachment on published shares
CVE-2026-55210 7.4 HIGH Joplin: SAML SSO account takeover via email-based account linking (missing is_external che
CVE-2026-49450 7.1 HIGH Joplin desktop Windows auto-updater accepts signed installer from any publisher because ap
CVE-2026-49453 7.0 HIGH Joplin: Path traversal in resource sync — silent arbitrary file write outside the resource
CVE-2026-55179 6.5 MEDIUM Joplin: Logic error in Joplin Server allows a signed-in user to read any note from its int
CVE-2026-46650 4.4 MEDIUM Joplin: Stored XSS in public share viewer via javascript: URL bypass in isAcceptedUrl
CVE-2026-59816 4.3 MEDIUM Joplin: Path traversal in transcribe proxy endpoint via URL-encoded slash
CVE-2026-59815 4.3 MEDIUM Joplin: Pending share recipients can write items into shared folders before accepting invi
CVE-2026-49449 2.5 LOW Joplin: KaTeX `trust:true` enables URL-allowlist bypass leading to NTLMv2 credential theft

IV. Related Vulnerabilities

Same product: joplin
Same vendor: laurent22
Same weakness: CWE-307

V. Comments for CVE-2026-46649

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