CVE-2026-41591

Marko is a declarative, HTML-based language for building web apps. Prior to marko version 5.38.36 and prior to @marko/runtime-tags 6.0.164, when dynamic text is interpolated into a or tag the Marko runtime failed to prevent tag breakout when the closing tag used non-lowercase casing. An attacker...

@marko/compiler (5.0.0-next.0), @marko/translator-default (5.0.0-next.0) +4 more potentially affected by CVE-2026-41591 via marko (>=5.0.0-next.0, <=5.21.7)

marko NPM version =5.0.0-next.0, =2.9.2, =1.15.0, =1.1.4, =1.2.1 Source cves: CVE-2026-41591 Source advisory: OSV:GHSA-X9FJ-57FH-C8WQ...

@marko/compiler (5.0.0-next.0), @marko/translator-default (5.0.0-next.0) +4 more potentially affected by CVE-2026-41591 via marko (>=5.0.0-next.0, <=5.21.7)

marko NPM version =5.0.0-next.0, =2.9.2, =1.15.0, =1.1.4, =1.2.1 Source cves: CVE-2026-41591 Source advisory: SNYK:JS-MARKO-16421453...