agent-device from 0.21.36 before 0.21.37 contains a local file disclosure vulnerability that allows authenticated
Source GCVE Database
Not known to be exploited · CVSS 7.1 High : upgrade to 0.21.37 soon.
Data as of 13 Nov 2026, 20:02 UTC
Thin evidence
One scorer or none| CNA (VulnCheck) | CVSS 4.0 | 7.1 |
|---|---|---|
| CNA (VulnCheck) | CVSS 3.1 | 6.5 |
- Patch
- Available – fixed in 0.21.37
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 13 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Upgrade agent-device to 0.21.37.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| callstackagent-device | Affected
| Fixed in
|
npmagent-devicepkg:npm/agent-deviceOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
If you cannot patch yet, restrict authenticated access to the /rpc interface and monitor for suspicious activity involving file:// URL commands.
Description
A local file disclosure vulnerability exists in agent-device versions from 0.21.36 up to but not including 0.21.37. Authenticated remote users can exploit this flaw by sending commands that open file:// URLs via the /rpc interface, allowing them to read any plaintext file accessible by the daemon account.
References
- github.com/callstack/agent-device/security/advisories/GHSA-g87j-p64h-w8wc (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2026-129130 (opens in a new tab)
- github.com/callstack/agent-device/commit/2deb909ec88bbbde615ec7c8f3895ef222d8ab3d (opens in a new tab)
- github.com/callstack/agent-device/blob/ebbaff9a6be75babdb4adcb9074d7522a2773330/packages/daemon/src/server/remote-host-input-policy.ts (opens in a new tab)
- github.com/callstack/agent-device/releases/tag/v0.21.37 (opens in a new tab)
- vulncheck.com/advisories/agent-device-0.21.36-local-file-disclosure-via-file-navigation-in-open-command (opens in a new tab)