CVE-2026-65919 Meshery < 1.0.57 Unauthenticated Arbitrary File Read via fileView and fileDownload
Unauthenticated attackers can read arbitrary files from the host filesystem via path traversal in Meshery's file endpoints.
- 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-2026-65919?
CVE-2026-65919 is a high-severity path traversal vulnerability in meshery, published on 23 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Meshery before 1.0.57 contains an unauthenticated arbitrary file read vulnerability in the /api/system/fileView and /api/system/fileDownload endpoints that pass user-supplied file parameters directly to os.Open without path validation. Attackers can supply absolute paths or traversal sequences in the file parameter to read arbitrary files from the host filesystem without authentication.
Weakness: CWE-22
Which versions are affected by CVE-2026-65919?
How do I fix CVE-2026-65919?
No fix has been published for CVE-2026-65919 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-2026-65919 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-65919 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-2x9h-mj6j-c376.