CVE-2026-129130

MEDIUM 6.5

agent-device 0.21.36 Local File Disclosure via file:// Navigation in Open Command

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

agent-device from 0.21.36 before 0.21.37 contains a local file disclosure vulnerability that allows authenticated remote callers to read daemon-host files by opening file:// URLs. Attackers can send an open command with a file:// target through /rpc, then issue snapshot to read any plaintext file readable by the daemon account.

CWE	CWE-73
Vendor	callstack
Product	agent-device
Published	Nov 13, 2026

Stay Ahead of the Next One

Get instant alerts for callstack agent-device

Be the first to know when new medium vulnerabilities affecting callstack agent-device are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

callstack / agent-device

0.21.36 < 0.21.37

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/callstack/agent-device/security/advisories/GHSA-g87j-p64h-w8wc github.com: https://github.com/callstack/agent-device/commit/2deb909ec88bbbde615ec7c8f3895ef222d8ab3d github.com: https://github.com/callstack/agent-device/releases/tag/v0.21.37 github.com: https://github.com/callstack/agent-device/blob/ebbaff9a6be75babdb4adcb9074d7522a2773330/packages/daemon/src/server/remote-host-input-policy.ts#L67 vulncheck.com: https://www.vulncheck.com/advisories/agent-device-0.21.36-local-file-disclosure-via-file-navigation-in-open-command

Credits

naroSEC Michał Pierzchała