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TI-2026-85276 Aliases CVE-2026-122157GHSA-5qjp-6ppp-5274

OS command injection in Purocean Yank Note Terminal handler

Priority MEDIUM 57CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

Purocean Yank Note 3.93.0 contains an OS command injection flaw (CWE-77) in the checkPermission function of src/main/server/index.ts in its Terminal Handler component. A remote attacker can exploit the flaw to run operating system commands. A public exploit is available.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00952 61st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Yank Note (Purocean): 3.93.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
puroceanYank Note3.93.03.93.1Patch availableCNA
  • Yank Note Vendorpurocean Affected 3.93.0 Fixed in 3.93.1 Patch available CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:purocean:yank_note:*:*:*:*:*:*:*:*——purocean
  • cpe:2.3:a:purocean:yank_note:*:*:*:*:*:*:*:* Versions — — ·purocean

Remediation

Upgrade Purocean Yank Note to version 3.93.1, which fixes the issue with patch 59f85d48f17a70a402ad59dcecacdbec20f954df.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA Yank Note (Purocean) Fixed in 3.93.1

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-11-05 Threatist record created from CVE-2026-122157
  2. 2026-11-05 Alias added: GHSA-5qjp-6ppp-5274
  3. 2026-11-05 CISA SSVC decision points changed
  4. 2026-11-05 Priority changed: LOW → MEDIUM
  5. 2026-11-06 Affected versions changed · Red Hat
  6. 2026-11-06 CVSS score added · Red Hat

References

Exploit 1

Patch 3

  • TI-2026-85275 Information disclosure in purocean Yank Note Settings Endpoint CVSS 4.0MEDIUM 6.9
  • TI-2026-76439 Path traversal in Yank Note lets attackers read arbitrary files CVSS 4.0HIGH 8.2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences