TGViewer
Hackerone Reports Hackerone Reports @hackeronereports · 242 subscribers
Post #867 93
🎯 New Report #3837634: JaaS: Unauthenticated, cross-tenant outbound SIP calling via JaaS SIP gateway (toll fraud caller-ID spoofing)
🔺Severity: Medium
👽 Reporter: offseq
⭐️ Reputation: 186
🛠 State: resolved
💼 Team: 8x8
💵 Bounty: 500
🕐 Submitted: 2026-07-02
⏰ Disclosed: 2026-08-12 16:07:38
📝 Summary: A vulnerability was discovered in the JaaS SIP gateway that allowed unauthenticated, cross-tenant outbound SIP calling. This could have facilitated toll fraud and caller-ID spoofing.
📂 Report JSON File: 3837634
@hackeronereports
More from @hackeronereports
  1. Oct 15, 2026🎯 New Report #3972760: Open redirect on app.hey.com bypasses HEY desktop's internal-origi…
  2. Oct 15, 2026🎯 New Report #3972558: Burp Suite OpenAPI Event Log HTML injection triggers Windows SMB a…
  3. Oct 15, 2026🎯 New Report #3938927: An organization admin can create an attacker-controlled organizati…
  4. Oct 15, 2026🎯 New Report #3770768: [Switch Remote stack buffer overflow in the LDN/LP2P DHCP server l…
  5. Oct 14, 2026🎯 New Report #4071064: Unauthenticated self-registration on ████████ grants full access t…
  6. Oct 14, 2026🎯 New Report #4022462: Uncaught RecursionError crash in translation-finder (deep director…
Threads Profile ViewerView any public Threads profile without an account.Open ThreadLook →Writing with AI? Make it sound human.Metric37 rewrites AI drafts so they read naturally. Free AI detector, 1,500 words free.Try Metric37 →