Is CVE-2026-35166 actively exploited?

No active exploitation of CVE-2026-35166 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-35166 be exploited remotely?

Yes. CVE-2026-35166 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-35166?

CVE-2026-35166 has a CVSS score of 5.3 (MEDIUM).

HOME VULNERABILITIESCVE-2026-35166

MEDIUM

CVE-2026-35166

CWE-79Published: April 6, 2026· Updated: Apr 7, 2026

5.3

CVSS v3.1

EPSS:0.05%probability of exploitation in 30 daysPercentile:14.5th

Official Description

Hugo is a static site generator. From 0.60.0 to before 0.159.2, links and image links in the default markdown to HTML renderer are not properly escaped. Hugo users who trust their Markdown content or have custom render hooks for links and images are not affected. This vulnerability is fixed in 0.159.2.

NVD Source

Technical Analysis

CVE-2026-35166 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (P) is needed, which slightly reduces the risk of mass automated attacks.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionP

ScopeX

Impact

Confidentiality

Integrity

Availability

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X