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.
Published: 2026-09-14
Score: 5.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 14 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
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.
Title Takahe through 0.11.0 Cross-Site Scripting via javascript: URL Scheme
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-14T21:45:46.041Z

Reserved: 2026-09-14T20:35:45.259Z

Link: CVE-2026-91146

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-14T22:16:59.447

Modified: 2026-09-14T22:16:59.447

Link: CVE-2026-91146

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses