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CVE-2026-25681 is a cross-site scripting vulnerability in the Go x/net HTML package involving incorrect handling of character references in DOCTYPE nodes. Parsing attacker-controlled HTML and subsequently serializing it with Render can produce an unexpected HTML tree, undermining applications that sanitize the parsed HTML before rendering it. The resulting output can enable attacker-controlled script execution in a victim's browser.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
66 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability included in an Alibaba Cloud Linux 3 security check covering osbuild-composer packages. The content provides no vulnerability-specific technical description.
The listing describes arbitrary code execution through cross-site scripting in golang.org/x/net/html, affecting rclone.
An HTML parsing and rendering vulnerability in golang.org/x/net can produce an unexpected HTML tree, enabling cross-site scripting in applications that sanitize HTML before rendering it. The reference assigns a CVSS v3 base score of 6.1 and recommends updating the library and related packages to version 0.55.0 or later.
A vulnerability in golang.org/x/net/html described as enabling arbitrary code execution through cross-site scripting. The advisory identifies affected osbuild-composer packages on MiracleLinux 9. Nessus relies on reported versions and does not test the vulnerability.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.