CVE-2026-126042 json
VNote 3.11.0 before 4.12.0 OS Command Injection via Tasks Magic Variables
published yesterday modified yesterday also EUVD-2026-121332
- cvss
- 7.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
VNote 3.11.0 before 4.12.0 contains an OS command injection vulnerability in its Tasks feature: magic variables such as ${bufferName} and ${selectedText} are substituted into a shell command string without escaping. Attackers can share a notebook containing a note whose filename or text includes shell metacharacters such as $(...), backticks, ; or |, executing commands as the victim when they run a task referencing these variables.
Patch / fix
- vnotex VNote 4.12.0
Is CVE-2026-126042 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- yesterday
Exploit prediction
0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 7.3 | CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 3.1 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 7.3 | CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/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 |
Affected products
- vnotex VNote
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
github.com
/vnotex/vnote/commit/0f5edd837d233a929d2a514a0e718d5d19c93918
patch
-
github.com
/vnotex/vnote/releases/tag/v4.12.0
release-notes
-
github.com
/vnotex/vnote/blob/551dfd86b73ce6d93e5403296b069219cb668dc2/src/core/services/shellexecution.cpp#L8-L24
technical-description
-
github.com
/vnotex/vnote/blob/551dfd86b73ce6d93e5403296b069219cb668dc2/src/core/services/shellexecution.cpp#L50-L56
technical-description
-
r3vpwnx.space
/research/vnote-tasks-cmdinjection/
third-party-advisory, technical-description
-
vulncheck.com
/advisories/vnote-3.11.0-before-4.12.0-os-command-injection-via-tasks-magic-variables
third-party-advisory
Sources
- CVE List CVE-2026-126042
- NVD CVE-2026-126042
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.