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

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-13 · updated 2026-10-17
Weakness: CWE-283

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.

Affected products

vifm: from 0.8.1-beta through 0.14.4

References

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://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/SkX7Pmiofg
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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