CVE-2026-85439: MOOS-IvP through 24.8.1 contains a remote code execution vulnerability in alogsplit's SplitHandler::handlePreC

Q: How do I fix CVE-2026-85439?

moos-ivp: upgrade to 24.8.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-85439 being exploited?

CVE-2026-85439 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-85439 affect?

CVE-2026-85439 affects moos-ivp. Severity is high (CVSS 7.8). MOOS-IvP through 24.8.1 contains a remote code execution vulnerability in alogsplit's SplitHandler::handlePreCheckSplitDir() function that fails to sanitize shell metacharacters in log file pathnames. Attackers can embed shell syntax in log

Routine

HIGH 7.8UPGRADE

CVE-2026-85439 is a high-severity flaw (CVSS 7.8) affecting moos-ivp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MOOS-IvP through 24.8.1 contains a remote code execution vulnerability in alogsplit's SplitHandler::handlePreCheckSplitDir() function that fails to sanitize shell metacharacters in log file pathnames. Attackers can embed shell syntax in log file names or the --dir parameter to execute arbitrary commands with the privileges of the operator running alogsplit.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-09-03
Last modified	2026-10-14

Publisher (CNA): VulnCheck · Vendor: mit

Last updated 2026-10-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-03 23:17 UTCPublished CVE record published
2026-10-14 23:28 UTCUpdated Record last modified

mit moos-ivp UPGRADE

Affected: < 24.8.1

Fixed in: 24.8.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy moos-ivp || rpm -q moos-ivp || moos-ivp --version

2. UPGRADE to 24.8.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade moos-ivp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade moos-ivp

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-85439?

moos-ivp: upgrade to 24.8.1. Exact commands for each OS are on this page.

Is CVE-2026-85439 being exploited?

CVE-2026-85439 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-85439 affect?

CVE-2026-85439 affects moos-ivp. Severity is high (CVSS 7.8). MOOS-IvP through 24.8.1 contains a remote code execution vulnerability in alogsplit's SplitHandler::handlePreCheckSplitDir() function that fails to sanitize shell metacharacters in log file pathnames. Attackers can embed shell syntax in log

How urgent is CVE-2026-85439?

Priority 37/100. High severity

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References

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