CVE-2026-87723Hinoki check available

Local code execution via unsafe helper search path

Published Sep 28, 2026 · Updated Sep 28, 2026

PATH hijacking in Google fuse-archive before 1.24 allows local users to execute code as the mounting user through external filter helpers. During archive bidding, decompression, or filter setup, helper names can be resolved through PATH entries that are not adequately restricted against attacker-controlled binaries. Exploitation requires control of a directory on the helper search path and execution of an external helper during an archive mount.

CVSS severityUnavailable
Unscored
EPSS probability0.11%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Get started

Summary

What happened

PATH hijacking in Google fuse-archive before 1.24 allows local users to execute code as the mounting user through external filter helpers. During archive bidding, decompression, or filter setup, helper names can be resolved through PATH entries that are not adequately restricted against attacker-controlled binaries. Exploitation requires control of a directory on the helper search path and execution of an external helper during an archive mount.

The record

CVE
CVE-2026-87723
Published
Sep 28, 2026
Updated
Sep 28, 2026
Vendor
WebM Project
Product
fuse-archive
Classifications
T1574.007
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <1.24

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

WebM Project · fuse-archiveversion=0 <1.24

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1574.007Hijack Execution Flow: PATH Environment Variable

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Get started to see how Hinoki identifies affected software and validates exploitability in your environment.

Get started