CVE-2026-76876 Craftplan < 0.5.1 Broken Access Control Information Disclosure via Settings API
Unauthenticated attackers can read sensitive SMTP and email API credentials via the Settings API due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-76876?
CVE-2026-76876 is a high-severity missing authorization vulnerability in puemos craftplan, published on 21 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Craftplan before 0.5.1 contains a broken access control vulnerability that allows unauthenticated attackers to read sensitive credentials by exploiting an unconditional authorization policy on the Settings resource. Attackers can send a GET request to the settings API endpoint with a valid record ID to retrieve decrypted SMTP passwords, email API keys, and email API secrets due to the read policy using an always-allow authorization check that bypasses all identity verification.
Weakness: CWE-862
Which versions are affected by CVE-2026-76876?
How do I fix CVE-2026-76876?
No fix has been published for CVE-2026-76876 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-76876 being exploited?
There is no known exploitation of CVE-2026-76876 in the wild and no public exploit code.
Sources
Also known as GHSA-q329-hwc8-2x8j.