Privilege escalation via legacy access group creation endpoint
Priority MEDIUM 40CWE-269Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Privilege escalation, Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-269 and CWE-284.
Summary
An authenticated, non-guest user of Curiosity Workspace could enroll themselves as an administrator and member of an existing access group without an invitation or approval. It did not grant application-wide administrator privileges, and the vulnerability could not be used to obtain root access to the application or its underlying host.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00351 28th percentileScored 2026-11-07
Fix Fixed Curiosity Workspace (Curiosity GmbH): 26.8.70363
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Curiosity GmbH | Curiosity Workspace | 26.8.70362 and later | 26.8.70363 | Patch available | CNA |
- Curiosity Workspace VendorCuriosity GmbH Affected 26.8.70362 and later Fixed in 26.8.70363 Patch available CNA
Remediation
- Fix · CNA Curiosity Workspace (Curiosity GmbH) Fixed in 26.8.70363
Timeline
- 2026-10-02 Threatist record created from CVE-2026-88817
- 2026-10-03 Alias added: GHSA-3w65-9g38-h8jv
References
Sources
- CVE-2026-88817 · CVE Program
- CVE-2026-88817 · NVD
- FIRST EPSS
- GHSA-3w65-9g38-h8jv · GitHub Advisory Database · CC BY 4.0
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