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CVE-2026-91146— Takahe through 0.11.0 Cross-Site Scripting via javascript: URL Scheme

Quick assessment

Affected
jointakahe takahe
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Takahe 0.11.0 及以下版本未能在联邦化帖子内容和个人资料摘要中的链接 中限制 URL 协议，使得远程攻击者可以注入 链接。攻击者可以投递包含恶意 的联邦内容，当用户点击这些链接时，JavaScript 将在当前实例的域名下执行，从而导致会话劫持或用户身份被冒用。

CVSS 6.1 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-91146

Vulnerability Information
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Vulnerability Title
Takahe through 0.11.0 Cross-Site Scripting via javascript: URL Scheme
Source: CVE Program / CVE List V5
Vulnerability Description
Takahe through 0.11.0 fails to restrict URL schemes in link hrefs within federated post content and profile summaries, allowing remote actors to inject javascript: links. Attackers can deliver federated content with malicious javascript: hrefs that execute in the instance origin when clicked, enabling session hijacking or impersonation of viewers.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
jointakahe takahe 0 ~ 0.11.0 -

II. Public POCs for CVE-2026-91146

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III. Intelligence Information for CVE-2026-91146

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Patches & Fixes for CVE-2026-91146 (1)

Vendor Advisories for CVE-2026-91146 (1)

Proof of Concept for CVE-2026-91146 (1)

Other References for CVE-2026-91146 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2026-91146

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