CVE-2026-18646 danpros HTMLy Author Name htmly.php path traversal
Remote attackers can exploit a path traversal vulnerability in the Author Name Handler to read or modify arbitrary files on the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-18646?
CVE-2026-18646 is a medium-severity path traversal vulnerability in danpros HTMLy, published on 3 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A weakness has been identified in danpros HTMLy up to 3.1.1. This vulnerability affects unknown code of the file /system/htmly.php of the component Author Name Handler. Executing a manipulation of the argument Name can lead to path traversal. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-22
Which versions are affected by CVE-2026-18646?
How do I fix CVE-2026-18646?
No fix has been published for CVE-2026-18646 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-18646 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18646 exists.
Sources
Also known as GHSA-pq92-gfff-99hc.