CVE-2026-121588

Medium CVSS 6.1

Published 2026-11-03 · last changed 2026-11-03

The fix

We hold no Microsoft remediation data for CVE-2026-121588, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

TeXlyre from 0.11.0 before 0.13.5 contains a stored cross-site scripting vulnerability that allows attackers to execute script by supplying malicious LSP or typesetter recipe icons. Attackers can trick victims into importing a recipe whose icon contains an HTML event handler, persistently accessing local projects and repository credentials.

Sources

NVD record for CVE-2026-121588

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N