CVE-2026-10729 HTML injection in the notification email for "Slow Redirect" and "Cloned Website" Canarytokens
Attackers can inject HTML into Canarytoken notification emails, enabling XSS in email clients that render HTML, potentially compromising recipient security.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-10729?
CVE-2026-10729 is a low-severity cross-site scripting vulnerability in Thinkst Applied Research Canarytokens, published on 3 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An HTML injection vulnerability in the notification email for "Slow Redirect" and "Cloned Website" Canarytokens exists in Thinkst Applied Research Canarytokens, enabling Interface Manipulation, Cross-Site Scripting (XSS) in emails clients that render HTML emails.
This issue affects Canarytokens: from Docker tag sha-c42435e before sha-bfda4df, from Git commit c42435e before bfda4df.
Weakness: CWE-74
Which versions are affected by CVE-2026-10729?
How do I fix CVE-2026-10729?
No fix has been published for CVE-2026-10729 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-10729 being exploited?
There is no known exploitation of CVE-2026-10729 in the wild and no public exploit code.
Sources
Also known as GHSA-hmjv-pj8j-8fg7.