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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-45576

33
FAUCET Score

zrok is software for sharing web services, files, and network resources. From 0.4.23 until 2.0.3, `zrok2 copy` stores attacker-controlled WebDAV or zrok drive paths such as /../outside.txt in the source inventory and passes them to FilesystemTarget.WriteStream, allowing the sync pipeline to write files outside the selected local filesystem destination root. This issue is fixed in version 2.0.3.

First published: Jul 16, 2026Last modified: Jul 16, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.4.23, < 2.0.3CPE matchmatch criteria
cpe:2.3:a:netfoundry:zrok:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.3HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
ACTIVE
VS Confidentiality
NONE
VS Integrity
HIGH
VS Availability
NONE
SS Confidentiality
HIGH
SS Integrity
HIGH
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
26.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 8th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/openziti/zrok/v2Fixed in: 2.0.3

Vendor Advisories (1)

goGHSA-c656-jcx2-7pqjhigh

zrok copy writes attacker-controlled WebDAV paths outside the destination root

May 19, 2026

References

github.com / openziti/zrok/commit/a5811e61589d2f804267c6de4a9056db1bdea457
Patch
github.com / openziti/zrok/releases/tag/v2.0.3
Release Notes
github.com / openziti/zrok/security/advisories/GHSA-c656-jcx2-7pqj
Vendor Advisory