Hemmelig has SSRF Filter bypass in Secret Request functionality

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-69206
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-29 16:15:44 UTC
Updated2026-10-07 12:10:00 UTC
DescriptionHemmelig 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.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

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

EPSS: 0.002030000 probability, percentile 0.093220000 (date 2026-10-06)

Problem Types: CWE-918 | CWE-918 CWE-918: Server-Side Request Forgery (SSRF)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
3.1CNADECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Hemmelig Hemmelig All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA HemmeligOrg Hemmelig.app affected < 7.3.3 Not specified

References

ReferenceSourceLinkTags
github.com/HemmeligOrg/Hemmelig.app/security/advisories/GHSA-vvxf-wj5w-6gj5 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com Exploit, Vendor Advisory
github.com/HemmeligOrg/Hemmelig.app/commit/6c909e571d0797ee3bbd2c72e4eb7... [email protected] github.com Patch
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