CVE-2026-109597

hugo: Hugo from v0.60.0 before v0.167.0 contains a stored cross-site scripting vulnerability that allows Markdown content a...

CVE-2026-109597 is fixed in hugo on 1 platform by DEBIAN-CVE-2026-109597 (version 0.167.0-1), released October 13, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

n/a

No vendor severity

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0017

6th percentile

Hugo from v0.60.0 before v0.167.0 contains a stored cross-site scripting vulnerability that allows Markdown content authors to inject HTML by supplying crafted explicit heading IDs. Attackers can break out of the unescaped href attribute in .TableOfContents or .Fragments.ToHTML output to inject elements with event handlers into rendered pages.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
hugo · Debian 14	0.167.0-1	DEBIAN-CVE-2026-109597	Oct 13, 2026

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