CVE-2026-46558: Plane is an open-source project management tool

Q: How do I fix CVE-2026-46558?

plane: upgrade to 1.3.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-46558 being exploited?

CVE-2026-46558 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-2026-46558 affect?

CVE-2026-46558 affects plane. Severity is high (CVSS 8.3). Plane is an open-source project management tool. Prior to version 1.3.1, there is a cross-workspace asset authorization bypass lets any authenticated user read, copy, delete, and overwrite assets in other Plane workspaces. This issue has be

Q: How urgent is CVE-2026-46558?

Priority 39/100. High severity; Public exploit reference

Routine

HIGH 8.3UPGRADE

CVE-2026-46558 is a high-severity flaw (CVSS 8.3) affecting plane. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Plane is an open-source project management tool. Prior to version 1.3.1, there is a cross-workspace asset authorization bypass lets any authenticated user read, copy, delete, and overwrite assets in other Plane workspaces. This issue has been patched in version 1.3.1.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-639, CWE-862
Published	2026-06-10
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: plane

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-10 16:17 UTCPublished CVE record published
2026-10-26 11:10 UTCUpdated Record last modified

plane plane UPGRADE

Affected: < 1.3.1

Fixed in: 1.3.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 1.3.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade plane

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-2026-46558?

plane: upgrade to 1.3.1. Exact commands for each OS are on this page.

Is CVE-2026-46558 being exploited?

CVE-2026-46558 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-2026-46558 affect?

CVE-2026-46558 affects plane. Severity is high (CVSS 8.3). Plane is an open-source project management tool. Prior to version 1.3.1, there is a cross-workspace asset authorization bypass lets any authenticated user read, copy, delete, and overwrite assets in other Plane workspaces. This issue has be

How urgent is CVE-2026-46558?

Priority 39/100. High severity; Public exploit reference

Related CVEs

CVE-2026-39843 HIGH 7.7 UPGRADE Plane is an an open-source project management tool

References

← Back to latest CVEs