Description
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.
Published: 2026-10-07
Score: 2.3 Low
EPSS: n/a
KEV: No
Impact: Unauthorized access due to restored revoked group membership
Action: Patch immediately
AI Analysis

Impact

The vulnerability is a race condition in the auth provider group refresh logic. When two concurrent refresh operations for the same user complete out of order, outdated group information is persisted, allowing a user to retain group memberships that have been revoked remotely, providing unauthorized access for approximately ten minutes.

Affected Systems

The issue affects obot-platform's obot product versions 0.25.0 through 0.25.5 and 0.26.0. The fixed releases are 0.25.6 and 0.26.1.

Risk and Exploitability

The CVSS score is 2.3, indicating a low severity. EPSS is not available and the vulnerability is not listed in CISA KEV. Exploitation requires concurrent group refreshes for the same user, so the attack vector is internal or requires elevated permissions to trigger overlapping requests. The impact window is about ten minutes, limiting the overall risk but still allowing malicious users to maintain revoked privileges temporarily.

Generated by OpenCVE AI on October 7, 2026 at 13:21 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Upgrade to obot 0.25.6, 0.26.1, or later.
  • If upgrade is not immediately possible, modify the application to serialize group refresh operations for each user, preventing overlapping refreshes that can produce stale data.
  • Adjust caching or configuration to ensure revoked group changes are propagated immediately and do not persist for the ten‑minute window.

Generated by OpenCVE AI on October 7, 2026 at 13:21 UTC.

Tracking

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Advisories

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History

Wed, 07 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Obot 0.25.0 before 0.25.6 and 0.26.0 before 0.26.1 Race Condition Restores Revoked Group Membership
Weaknesses CWE-362
References
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-07T12:35:50.334Z

Reserved: 2026-10-03T13:40:47.068Z

Link: CVE-2026-105140

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-07T13:17:19.590

Modified: 2026-10-07T13:17:19.733

Link: CVE-2026-105140

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-07T13:30:17Z

Weaknesses
  • CWE-362

    Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')