KEV Entry

CVE-2026-48611

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2026-48611

2026-07-20 09:57 CEST

Timestamps

2026-07-20

2026-07-20

Scope

Improper authentication checks in the OAuth implementation allow account hijacking even when OAuth is not configured or enabled leading to... | Affected: phpBB / phpBB | CVSS: 9.8 (CRITICAL) | EPSS: 0.02888 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2026-48611', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-48611'}
  • {'id': 'GHSA-24PR-8GGP-H88C', 'url': 'https://github.com/advisories/GHSA-24PR-8GGP-H88C'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2026-48611'}

e9fc3fcf-2a93-4797-8a1d-f6a5b47aa7b2

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-10-02 09:09 CEST

2026-10-02 09:09 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-07-20T07:57:22.068Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2026-48611",
  "cvss_estimated": false,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.86392,
  "epss_score": 0.02888,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-24PR-8GGP-H88C",
  "not_yet_in_cisa_kev": true,
  "previous_ids": [],
  "product": "phpBB",
  "title": "Improper authentication checks in the OAuth implementation allow account hijacking even when OAuth is not configured or enabled leading to...",
  "used_in_malware": "unknown",
  "vendor": "phpBB",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2026-48611"
}
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