CVE-2026-88811
Rancher credentials disclosed to third-party hosts by the Rancher Manager meta proxy
Missing filtering in the SUSE Rancher Manager meta proxy could cause passed in rancher credentials to be leaked to cloud providers. This affects SUSE Rancher 2.15.0 up to 2.15.3, 2.14.0 up to 2.14.7, 2.13.0 up to 2.13.11,
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
9.1
Rancher credentials disclosed to third-party hosts by the Rancher Manager meta proxy
Missing filtering in the SUSE Rancher Manager meta proxy could cause passed in rancher credentials to be leaked to cloud providers. This affects SUSE Rancher 2.15.0 up to 2.15.3, 2.14.0 up to 2.14.7, 2.13.0 up to 2.13.11,
- Record
CVE-2026-88811- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-201
- Updated
- 2026-11-03
EUVDEUVD-2026-115330
9.1
Missing filtering in the SUSE Rancher Manager meta proxy could cause passed in rancher credentials to be leaked to cloud providers. This affects SUSE Rancher 2.15.0 up to 2.15.3, 2.14.0 up to 2.14.7, 2.13.0 up to 2.13.11,
- Record
EUVD-2026-115330- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-03
NVD
9.1
Missing filtering in the SUSE Rancher Manager meta proxy could cause passed in rancher credentials to be leaked to cloud providers. This affects SUSE Rancher 2.15.0 up to 2.15.3, 2.14.0 up to 2.14.7, 2.13.0 up to 2.13.11,
- Record
CVE-2026-88811- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-201
- Updated
- 2026-11-03
OSV
9.1
Rancher credentials disclosed to third-party hosts by the Rancher Manager meta proxy
Missing filtering in the SUSE Rancher Manager meta proxy could cause passed in rancher credentials to be leaked to cloud providers. This affects SUSE Rancher 2.15.0 up to 2.15.3, 2.14.0 up to 2.14.7, 2.13.0 up to 2.13.11,
- Record
CVE-2026-88811- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-201
- Updated
- 2026-11-04
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts, references | CVE List, EUVD, NVD, OSV | |
| aliases, published | EUVD | |
| aliases, references | NVD, OSV | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-88811 is a critical vulnerability (CVSS 9.1) in Suse Rancher, published November 2, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. No source names a fixed version.