PT-2026-6776 · Lute · Lute

Chimmeee · Published 2026-02-06 · Updated 2026-02-06 · CVE-2026-25647

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Lute versions prior to 1.7.7

Description Lute, a structured Markdown engine supporting Go and JavaScript, contains a Stored Cross-Site Scripting (XSS) issue in its Markdown rendering engine. An attacker can inject malicious JavaScript into Markdown text or a note. When another user clicks the rendered content, the script executes within their session.

Recommendations Update to version 1.7.7 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-25647

GHSA-RW25-98WQ-76QV

Affected Products

Lute

References · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25647.json · Exploit
• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-rw25-98wq-76qv · Vendor Advisory
• https://github.com/88250/lute/commit/0118e218916cf0cc7df639b50ce74e0c6c3d1868 · Patch
• https://osv.dev/vulnerability/CVE-2026-25647 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-25647 · Security Note
• https://twitter.com/CVEnew/status/2019857594903339368 · Twitter Post