RCE in Purocean Yank Note
CVE-2026-122157
A vulnerability was identified in Purocean Yank Note 3.93.0. Affected by this vulnerability is the function checkPermission of the file src/main/server/index.ts of the component Terminal Handler. Such manipulation leads to os command injection. The attack can be executed remotely. The exploit is publicly available and might be used. Upgrading to version 3.93.1 addresses this issue. The name of the patch is 59f85d48f17a70a402ad59dcecacdbec20f954df. Upgrading the affected component is recommended.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Purocean Yank Note — versions 3.93.0
Weakness classification (CWE)
References
- github.com/purocean/yn/commit/59f85d48f17a70a402ad59dcecacdbec20f954df (patch)
- github.com/purocean/yn/issues/531 (issue-tracking, exploit)
- github.com/purocean/yn/pull/535 (issue-tracking, patch)
- github.com/purocean/yn/releases/tag/v3.93.1 (patch)
- CVE-2026-122157 | CVE Analysis and Report (third-party-advisory)
- Submit #1028030 | Purocean Yank Note 3.93.0 OS Command Injection / Missing Authentication for Critical Funct (third-party-advisory)
- VDB-431157 | Purocean Yank Note Terminal index.ts checkPermission os command injection (technical-description, vdb-entry)
- VDB-431157 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-122157?
- CVE-2026-122157 is a medium-severity vulnerability in Purocean Yank Note, classified under Command Injection. CVSS score: 6.3/10. Published 2026-11-05.
- How severe is CVE-2026-122157?
- Medium severity. CVSS v3 base score is 6.3 out of 10.