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Vulnerability record · CVE-2026-87723 · published 28 September 2026

CVE-2026-87723: Untrusted search path vulnerability

In Google fuse-archive versions prior to 1.24, an attacker who can prepend a directory to PATH or write a malicious binary to an attacker-controlled or writable directory appearing in PATH can hijack the execution pathway. This allows the attacker to execute arbitrary local code under the security context of the user running the fuse-archive process. The issue was partially mitigated in version 1.22 and fully resolved in 1.24 via refined selective PATH filtering.

5.4 CVSS 4.0 Medium EPSS 0.11% · top 98.7% CWE-426 · Untrusted search path Received
5.4CVSS 4.0 base score
0.11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
28 Sep 2026Last modified by NVD

Description

In Google fuse-archive versions prior to 1.24, an attacker who can prepend a directory to PATH or write a malicious binary to an attacker-controlled or writable directory appearing in PATH can hijack the execution pathway. This allows the attacker to execute arbitrary local code under the security context of the user running the fuse-archive process. The issue was partially mitigated in version 1.22 and fully resolved in 1.24 via refined selective PATH filtering.

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/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:

References

LinkTags
https://github.com/google/fuse-archive/commit/4b13a49b4bf66e0960241bab78987dde268a8b81
https://github.com/google/fuse-archive/commit/6f086e6381428d5b818dcb1bf7b9204e6bf017f0

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Source: NIST National Vulnerability Database (record CVE-2026-87723), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.