CVE-2026-33922

mediumpriority · track · 0EPSS 0.002 · 6 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.17% (6th) EPSS

CVSS 6 · medium

Is it mine?

3 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nozomi_psirt

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedArcnozomi_psirt
Upgrade Arc to v2.7.0 or later.
MitigationArcnozomi_psirt
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.

cvss

Technical severity, 0–10. One row per scoring source.

6.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:Hsecondary · prodsec@nozominetworks.comexploitability 0.8 · impact 5.2

v3.16mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:Hsecondary · Nozomi Networks PSIRT

v4.06.8mediumCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.06.8mediumCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · prodsec@nozominetworks.com

v4.04.3mediumCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)