PatchTheCVECVE-2026-59093: Weaviate before 1.38.0 does not verify that a principal performing an RBAC role assignment holds the permissio
CVE-2026-59093 is a high-severity flaw (CVSS 8.8) affecting weaviate. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Weaviate before 1.38.0 does not verify that a principal performing an RBAC role assignment holds the permissions granted by the assigned role. The assignRoleToUser and assignRoleToGroup handlers (POST /authz/users/{id}/assign and /authz/groups/{id}/assign) authorize only that the caller may assign roles to the target user or group, not the permissions contained in the assigned roles, unlike role creation which enforces that a user can only create
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.8 (High) |
| 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-266 |
| Published | 2026-07-02 |
| Last modified | 2026-07-14 |
Last updated 2026-07-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2026-59093?
weaviate: upgrade to 1.38.0. Exact commands for each OS are on this page.
Is CVE-2026-59093 being exploited?
CVE-2026-59093 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-2026-59093 affect?
CVE-2026-59093 affects weaviate. Severity is high (CVSS 8.8). Weaviate before 1.38.0 does not verify that a principal performing an RBAC role assignment holds the permissions granted by the assigned role. The assignRoleToUser and assignRoleToGroup handlers (POST /authz/users/{id}/assign and /authz/gro
How urgent is CVE-2026-59093?
Priority 44/100. High severity