CVE-2025-69206: Hemmelig is a messing app with with client-side encryption and self-destructing messages

Q: How do I fix CVE-2025-69206?

hemmelig: upgrade to 7.3.3. Exact commands for each OS are on this page.

Q: Is CVE-2025-69206 being exploited?

CVE-2025-69206 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-69206 affect?

CVE-2025-69206 affects hemmelig. Severity is medium (CVSS 4.3). 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 f

Q: How urgent is CVE-2025-69206?

Priority 23/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2025-69206 is a medium-severity flaw (CVSS 4.3) affecting hemmelig. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 requ

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 90%)
CISA exploited list	No
Weakness	CWE-918
Published	2025-12-29
Last modified	2026-10-07

Publisher (CNA): GitHub, Inc. · Vendor: hemmelig

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-29 16:15 UTCPublished CVE record published
2026-10-07 12:10 UTCUpdated Record last modified

hemmelig hemmelig UPGRADE

Affected: < 7.3.3

Fixed in: 7.3.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy hemmelig || rpm -q hemmelig || hemmelig --version

2. UPGRADE to 7.3.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade hemmelig

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade hemmelig

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-69206?

hemmelig: upgrade to 7.3.3. Exact commands for each OS are on this page.

Is CVE-2025-69206 being exploited?

CVE-2025-69206 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-69206 affect?

CVE-2025-69206 affects hemmelig. Severity is medium (CVSS 4.3). 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 f

How urgent is CVE-2025-69206?

Priority 23/100. Public exploit reference

References

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