SSRF in Hemmelig
CVE-2025-69206
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.002 (9.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Hemmelig
- Hemmeligorg Hemmelig.app — versions < 7.3.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-69206?
- CVE-2025-69206 is a medium-severity vulnerability in Hemmelig, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2025-12-29.
- How severe is CVE-2025-69206?
- Medium severity. CVSS v3 base score is 4.3 out of 10.