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Description

Hemmelig is a messing app with with client-side encryption and self-destructing messages. Prior to version 7.3.3, a Server-Side Request Forgery (SSRF) filter bypass vulnerability exists in the webhook URL validation of the Secret Requests feature. The application attempts to block internal/private IP addresses but can be bypassed using DNS rebinding or open redirect services. This allows an authenticated user to make the server initiate HTTP requests to internal network resources. Version 7.3.3 contains a patch for the issue.

PUBLISHED Reserved 2025-12-29 | Published 2025-12-29 | Updated 2025-12-29 | Assigner GitHub_M




MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Problem types

CWE-918: Server-Side Request Forgery (SSRF)

Product status

< 7.3.3
affected

References

github.com/...ig.app/security/advisories/GHSA-vvxf-wj5w-6gj5 exploit

github.com/...ig.app/security/advisories/GHSA-vvxf-wj5w-6gj5

github.com/...ommit/6c909e571d0797ee3bbd2c72e4eb767b57378228

cve.org (CVE-2025-69206)

nvd.nist.gov (CVE-2025-69206)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.