CVE-2026-49237: An issue was discovered in Canonical Multipass for macOS before version 1.16.3 due to an incomplete fix for CV

Q: How do I fix CVE-2026-49237?

multipass: upgrade to 1.16.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-49237 being exploited?

CVE-2026-49237 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-2026-49237 affect?

CVE-2026-49237 affects multipass. Severity is high (CVSS 7.8). An issue was discovered in Canonical Multipass for macOS before version 1.16.3 due to an incomplete fix for CVE-2025-5199. While the patch in version 1.16.0 updated the ownership of the multipassd daemon binary to root:wheel, five co-locate

Q: How urgent is CVE-2026-49237?

Priority 33/100. High severity; Public exploit reference

Routine

HIGH 7.8UPGRADE

CVE-2026-49237 is a high-severity flaw (CVSS 7.8) affecting multipass. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Canonical Multipass for macOS before version 1.16.3 due to an incomplete fix for CVE-2025-5199. While the patch in version 1.16.0 updated the ownership of the multipassd daemon binary to root:wheel, five co-located binaries (multipass, qemu-img, qemu-system-aarch64, qemu-system-x86_64, and sshfs_server) in /Library/Application Support/com.canonical.multipass/bin/ retain ownership by the installing user and remain writab

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 97%)
CISA exploited list	No
Weakness	CWE-276
Published	2026-05-28
Last modified	2026-10-14

Publisher (CNA): Canonical Ltd. · Vendor: canonical

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

Am I affected?

Timeline

2026-05-28 14:16 UTCPublished CVE record published
2026-10-14 20:10 UTCUpdated Record last modified

canonical multipass UPGRADE

Affected: < 1.16.3

Fixed in: 1.16.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy multipass || rpm -q multipass || multipass --version

2. UPGRADE to 1.16.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade multipass

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade multipass

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-2026-49237?

multipass: upgrade to 1.16.3. Exact commands for each OS are on this page.

Is CVE-2026-49237 being exploited?

CVE-2026-49237 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-2026-49237 affect?

CVE-2026-49237 affects multipass. Severity is high (CVSS 7.8). An issue was discovered in Canonical Multipass for macOS before version 1.16.3 due to an incomplete fix for CVE-2025-5199. While the patch in version 1.16.0 updated the ownership of the multipassd daemon binary to root:wheel, five co-locate

How urgent is CVE-2026-49237?

Priority 33/100. High severity; Public exploit reference

Software pages

macOS vulnerabilities · QEMU vulnerabilities

Related CVEs

CVE-2026-49238 HIGH 8.4 UPGRADE An issue was discovered in Canonical Multipass before version 1.16.3

References

← Back to latest CVEs