KEV Entry

CVE-2026-48611

Known Exploited Vulnerability Entry KEVIntel

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Entry Details
Confirmed Exploited

CVE-2026-48611

2026-07-20 07:57 UTC

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: 0.02865 | 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': 'kevintel', 'url': 'https://kevintel.com/CVE-2026-48611'}

266e5c08-f6f9-4094-841d-dc2f28eea1a3

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

2026-07-20 08:00 UTC

2026-07-20 08:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2026-07-20T07:57:22.068Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.8522,
  "epss_score": 0.02865,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": true,
  "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"
}
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