CVE-2026-88808: SUSE Rancher · Execution with Unnecessary Privileges
Affects SUSE RancherSource CVE Database V5
Not known to be exploited · CVSS 8.8 High · fixed in 0.16.2 : patch SUSE Rancher soon.
Data as of 13 Nov 2026, 23:54 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 0.16.2, 0.15.7, 0.14.11
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 28 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Upgrade Rancher and Fleet to 0.16.2, 0.15.7 or 0.14.11.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SUSERancher | Affected
| Fixed in
|
| SUSERancher | Affected
| Fixed in
|
| SUSERancher | Affected
| Fixed in
|
GitHubFleetpkg:github/FleetOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade to SUSE Rancher Fleet versions 0.14.11 or later, 0.15.7 or later, and 0.16.2 or later where this issue has been fixed. Since this is a software vulnerability with available fixed versions, applying the official patches is the recommended remediation.
Description
CVE-2026-88808 is a high-severity vulnerability in SUSE Rancher Fleet where the Fleet agent improperly uses cluster-admin credentials instead of the intended ServiceAccount credentials when writing resources to downstream clusters. This affects multi-tenant environments sharing downstream clusters, potentially allowing unauthorized overwriting of configuration files. The issue impacts SUSE Rancher Fleet versions 0.14 before 0.14.11, 0.15 before 0.15.7, and 0.16 before 0.16.2.