What’s Vulnerable › Vulnerabilities

CVE-2026-85456: MOOS-IvP through 24.8.1 alog Splitting Path Traversal on Windows

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-03 · updated 2026-10-14
• Weakness: CWE-22

Description

MOOS-IvP through 24.8.1 fails to properly validate variable names extracted from alog files in the SplitHandler, allowing attackers to write files outside the split directory. Attackers can supply crafted alog files with backslash sequences in variable names to escape the output directory and append to arbitrary files on Windows systems.

Affected products

• moos-ivp: before 24.8.1 — fixed in 24.8.1

How to fix

Upgrade to a fixed version: moos-ivp 24.8.1. Check the vendor advisory for mitigations.

References

• https://github.com/moos-ivp/moos-ivp
• https://github.com/moos-ivp/moos-ivp/blob/1de9ae146cd63c209e8c3fd81611a4ed2472971b/ivp/src/lib_logutils/SplitHandler.cpp#L189
• https://github.com/moos-ivp/moos-ivp/commit/6f0619e905b325d6b88f76425673045c6e4f6f94
• https://github.com/moos-ivp/moos-ivp/pull/137
• https://www.vulncheck.com/advisories/moos-ivp-through-24.8.1-alog-splitting-path-traversal-on-windows

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