CVE-2026-33922

Path traversal in the Offline archives functionality of the local web interface in Arc before v2.7.0

Published Aug 11, 2026 CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed
Description
A path traversal vulnerability was discovered in the Offline archives functionality of the local web interface due to insufficient validation of an input parameter. A local user with administrative credentials for the web interface could submit an archive name containing traversal sequences and delete arbitrary files reachable by the Arc process, which runs with administrative privileges on the host.

Remediation

Vendor Solution

Upgrade Arc to v2.7.0 or later.


Vendor Workaround

Review the credentials of the web interface and rotate them by relaunching Arc's local web server if they may have been exposed to untrusted users.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A path traversal vulnerability was discovered in the Offline archives functionality of the local web interface due to insufficient validation of an input parameter. A local user with administrative credentials for the web interface could submit an archive name containing traversal sequences and delete arbitrary files reachable by the Arc process, which runs with administrative privileges on the host.
Title Path traversal in the Offline archives functionality of the local web interface in Arc before v2.7.0
First Time appeared Nozomi Networks
Nozomi Networks arc
Weaknesses CWE-22
CPEs cpe:2.3:a:nozomi_networks:arc:*:*:*:*:*:*:*:*
Vendors & Products Nozomi Networks
Nozomi Networks arc
References
Metrics cvssV3_1

{'score': 6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H'}

cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Nozomi
Published
Updated
Aug 11, 2026, 2:14 PM
Reserved
Mar 24, 2026, 4:06 PM
Status
Awaiting Analysis
Published
Aug 11, 2026, 10:17 AM
Modified
Oct 23, 2026, 7:10 PM
Severity
Moderate
Public date
Aug 11, 2026, 9:48 AM