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Bug bounty reports15,219

Publicly disclosed HackerOne reports, with the platform's own outcome and severity.

Program:Nextcloud
Status
Severity
Weakness
Year
Bounty paid3
Access stated
  • No account0
  • A user account0
  • Admin or privileged0
Access needed
Technique:SSRF
Clear filters7 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
SSRF via User-Controlled Push proxyServer in Notifications Push RegistrationAnalysed#3623149ValidServer-Side Request ForgeryMedium2026-09-30–48
Blind SSRF Vulnerability in Appstore Release Upload FormAnalysed#2925666ValidAccess ControlLow2025-01-14–43
DNS pin middleware can be tricked into DNS rebinding allowing SSRFAnalysed#2115212ValidServer-Side Request ForgeryMedium2024-01-01–38
Credential Disclosure via Unvalidated directDownloadUrl (Missing DontAddCredentialsAttribute)Analysed#3400143ValidAuthenticationMedium2026-04-13$25037
Blind SSRF in Mail AppAnalysed#1869714ValidServer-Side Request ForgeryLow2024-01-10–37
SSRF via filter bypass due to lax checking on IPsAnalysed#1702864ValidServer-Side Request ForgeryMedium2023-02-10$25033
SSRF via potential filter bypass with too lax local domain checkingAnalysed#1608039ValidServer-Side Request ForgeryLow2022-09-16$25030

Status and severity are HackerOne's. “Access stated” is what the title says; “Access needed” and techniques come from CyberSIXT's analysis of the public report (3,437 analysed so far), which can be wrong. Data as of 2026-11-15.