Vulnerability in Obot-Platform Obot
CVE-2026-105140
Obot 0.25.0 before 0.25.6 and 0.26.0 before 0.26.1 contains a race condition in auth provider group refreshes that can restore group memberships just revoked in the identity provider. When overlapping refreshes for the same user commit out of order, stale memberships are persisted and the user retains revoked group-based access for about ten minutes.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/obot-platform/obot/commit/6f81dac8d344cf6b2161f500460fb7b2a975c415 (patch)
- github.com/obot-platform/obot (product)
- github.com/obot-platform/obot/security/advisories/GHSA-929v-v9hq-5xhr (vendor-advisory)
- github.com/obot-platform/obot/commit/09e4d5b5d1e4a5f35a6cbcff96f3c460c3f9e278 (patch)
- github.com/obot-platform/obot/releases/tag/v0.26.1 (release-notes)
- github.com/obot-platform/obot/blob/2d2aaca9dc9b26777f8a2d213e0e1ec47f47508e/pkg… (technical-description)
- github.com/obot-platform/obot/blob/2d2aaca9dc9b26777f8a2d213e0e1ec47f47508e/pkg… (technical-description)
- github.com/obot-platform/obot/blob/6f81dac8d344cf6b2161f500460fb7b2a975c415/pkg… (technical-description)
- www.vulncheck.com/advisories/obot-0.25.0-before-0.25.6-and-0.26.0-before-0.26.1… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-105140?
- CVE-2026-105140 is a medium-severity vulnerability in Obot-Platform Obot, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.2/10. Published 2026-10-07.
- How severe is CVE-2026-105140?
- Medium severity. CVSS v3 base score is 4.2 out of 10.