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CVE-2026-88817

Privilege escalation via legacy access group creation endpoint

HIGH
8.7
CVSS Score
Published: September 16, 2026 at 12:10 PM UTC
Updated: September 23, 2026 at 03:09 PM UTC
1 product affected across 1 vendorCuriosity Workspace

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Severity
HIGH8.7
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Curiosity Workspace· Curiosity
60%
26.8.70362
Vendor states this is fixed in 26.8.70363 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://docs.curiosity.ai/security/advisories/cve-2026-88817

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.7HIGHairbus
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-269CWE-284

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