PatchTheCVECVE-2023-22647: An Improper Privilege Management vulnerability in SUSE Rancher allowed standard users to leverage their existi
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This month
CRITICAL 9.9UPGRADE
CVE-2023-22647 is a critical-severity flaw (CVSS 9.9) affecting rancher. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An Improper Privilege Management vulnerability in SUSE Rancher allowed standard users to leverage their existing permissions to manipulate Kubernetes secrets in the local cluster, resulting in the secret being deleted, but their read-level permissions to the secret being preserved. When this operation was followed-up by other specially crafted commands, it could result in the user gaining access to tokens belonging to service accounts in the
Why this priority
- Critical severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.9 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.7% (top 47%) |
| CISA exploited list | No |
| Weakness | CWE-267 |
| Published | 2023-06-01 |
| Last modified | 2026-10-23 |
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
suse rancher UPGRADE
Affected: >= 2.6.0 and < 2.6.13 · >= 2.7.0 and < 2.7.4
Fixed in: 2.6.13, 2.7.4
Safe to downgrade to: a release before 2.6.0
1. Check installed version
apt-cache policy rancher || rpm -q rancher || rancher --version
2. UPGRADE to 2.6.13 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade rancher
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade rancher
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 2.6.0 (Debian / Ubuntu)
apt-cache madison rancher
sudo apt install rancher=<VERSION_BEFORE_2.6.0>
sudo apt-mark hold rancher
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list rancher
sudo dnf downgrade rancher-<VERSION_BEFORE_2.6.0>
sudo dnf versionlock add rancher
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
Exact fixes by distribution
Go · github.com/rancher/rancher · FIXED · 2.6.13 · vulnerable: >= 2.6.0, < 2.6.13 · source
go get github.com/rancher/rancher@v2.6.13
go list -m github.com/rancher/rancher
Fedora 46 · python-fontconfig · FIXED · 0.6.3-1.fc46 · FEDORA-2026-f92ca8b01f · source
sudo dnf upgrade --advisory=FEDORA-2026-f92ca8b01f
Fedora ELN · valgrind · FIXED · 3.28.0-1.eln159 · FEDORA-2026-c593ef1d15 · source
sudo dnf upgrade --advisory=FEDORA-2026-c593ef1d15
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.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
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