Obot 0.25.0 before 0.25.6 and 0.26.0 before 0.26.1 Race Condition Restores Revoked Group Membership

{
  "id": "5a2eb6e7a3cfc37715fb8b468a3bdb97f693b78e1a2e50846d1ce4e501bf8e04",
  "url": "https://osv.dev/vulnerability/CVE-2026-105140",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Obot 0.25.0 before 0.25.6 and 0.26.0 before 0.26.1 Race Condition Restores Revoked Group Membership",
    "summary": "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.",
    "evidence": "osv:CVE-2026-105140",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-105140",
      "aliases": [
        "CVE-2026-105140",
        "GHSA-929v-v9hq-5xhr"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "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"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/obot-platform/obot",
              "type": "GIT",
              "events": [
                {
                  "introduced": "dc91589078db1128cac09867b530d93957b528c2"
                },
                {
                  "fixed": "09e4d5b5d1e4a5f35a6cbcff96f3c460c3f9e278"
                },
                {
                  "introduced": "2d2aaca9dc9b26777f8a2d213e0e1ec47f47508e"
                },
                {
                  "fixed": "7ca8c2dbd9c85aea9833b7727ab52366de9aaca3"
                },
                {
                  "fixed": "6f81dac8d344cf6b2161f500460fb7b2a975c415"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0.25.0"
                      },
                      {
                        "fixed": "0.25.6"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.26.0"
                      },
                      {
                        "fixed": "0.26.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "6f81dac8d344cf6b2161f500460fb7b2a975c415"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "09e4d5b5d1e4a5f35a6cbcff96f3c460c3f9e278"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "7ca8c2dbd9c85aea9833b7727ab52366de9aaca3"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.26.1"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.25.6-rc1",
            "v0.25.5-rc5",
            "v0.25.5",
            "v0.26.0",
            "v0.25.5-rc4",
            "v0.25.5-rc3",
            "v0.25.5-rc2",
            "v0.25.5-rc1",
            "v0.25.4",
            "v0.25.3-rc3",
            "v0.25.3",
            "v0.25.3-rc2",
            "v0.25.3-rc1",
            "v0.25.2",
            "v0.25.1",
            "v0.25.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-105140.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:50.557294822Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105140.json",
        "https://github.com/obot-platform/obot/releases/tag/v0.26.1",
        "https://github.com/obot-platform/obot/security/advisories/GHSA-929v-v9hq-5xhr",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-105140",
        "https://www.vulncheck.com/advisories/obot-0.25.0-before-0.25.6-and-0.26.0-before-0.26.1-race-condition-restores-revoked-group-membership",
        "https://github.com/obot-platform/obot/commit/09e4d5b5d1e4a5f35a6cbcff96f3c460c3f9e278",
        "https://github.com/obot-platform/obot/commit/6f81dac8d344cf6b2161f500460fb7b2a975c415",
        "https://github.com/obot-platform/obot",
        "https://github.com/obot-platform/obot/blob/2d2aaca9dc9b26777f8a2d213e0e1ec47f47508e/pkg/gateway/client/group.go#L652-L734",
        "https://github.com/obot-platform/obot/blob/2d2aaca9dc9b26777f8a2d213e0e1ec47f47508e/pkg/gateway/client/identity.go#L444-L456",
        "https://github.com/obot-platform/obot/blob/6f81dac8d344cf6b2161f500460fb7b2a975c415/pkg/gateway/client/group.go#L741-L757"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-362"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105140.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-105140",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 518857,
  "published_at": "2026-10-07T12:18:33.835+00:00"
}