CVE-2026-16547 REST API Log < 1.7.1 - Unauthenticated Sensitive Log Data Disclosure via Download Endpoint

Medium 5.9 Published Updated

Unauthenticated attackers can download sensitive REST API logs containing credentials and tokens due to missing authorization checks in the download endpoint.

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-2026-16547?

CVE-2026-16547 is a medium-severity missing authorization vulnerability in Unknown REST API Log, published on 4 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The REST API Log WordPress plugin before 1.7.1 does not bind the token protecting its log download feature to the log entry being requested, nor does it check the capability of the requester, allowing unauthenticated users in possession of any such token to download the logged REST API requests and responses of any entry, which may contain sensitive data such as credentials, authentication tokens or private content.

Weakness: CWE-284

Which versions are affected by CVE-2026-16547?

How do I fix CVE-2026-16547?

No fix has been published for CVE-2026-16547 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-2026-16547 being exploited?

There is no known exploitation of CVE-2026-16547 in the wild and no public exploit code.

Sources

Also known as GHSA-5v73-chf6-5qjj.

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