Which products and versions are affected by CVE-2026-65919?

Affected: Meshery (Layer5). The full list is in the CVE brief.

Is CVE-2026-65919 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2026-65919 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2026-65919?

No public exploit code is known.

Is there a fix for CVE-2026-65919?

Fixed versions are available, including Meshery 1.0.57.

How urgently should CVE-2026-65919 be patched?

Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

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Vulnerability Intelligence

CVE-2026-65919

High

Published Jul 23, 2026 · Updated Sep 16, 2026 · Also known as EUVD-2026-48342, GHSA-2x9h-mj6j-c376

Key Facts

Patch in the next maintenance window

CVE-2026-65919 is a high-severity vulnerability (CVSS 8.7 v4) affecting Meshery (Layer5).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 2.1% probability of exploitation in the next 30 days.
Fixed versions are available, including Meshery 1.0.57.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

CVSS v4

8.7

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

EPSS (30-day exploit likelihood)

2.1%

Higher than 81.2% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2026-65919 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
MesheryLayer5	See advisory	1.0.57

Patched Releases

Meshery

1.0.57

Timeline

Publicly disclosed
Jul 23, 2026
Last updated
Sep 16, 2026

Weakness Type

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References

4 more references in the full CVE brief

FAQ

Common Questions.

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.
Affected: Meshery (Layer5). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Meshery 1.0.57.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

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