CVE-2026-16061 Rest Routes <= 5.5.5 - Unauthenticated SQLi via custom-tables/tables/{table_name}
Unauthenticated attackers can perform SQL injection via a public REST route in the Rest Routes WordPress plugin, potentially reading or modifying database contents.
- 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-2026-16061?
CVE-2026-16061 is a high-severity SQL injection vulnerability in Unknown Rest Routes, published on 29 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Rest Routes WordPress plugin through 5.5.5 does not sanitize and validate a value taken from the URL of one of its public REST routes before using it in a SQL query, allowing unauthenticated attackers to perform SQL injection attacks.
Weakness: CWE-89
Which versions are affected by CVE-2026-16061?
How do I fix CVE-2026-16061?
No fix has been published for CVE-2026-16061 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-16061 being exploited?
There is no known exploitation of CVE-2026-16061 in the wild and no public exploit code.
Sources
Also known as GHSA-3ph3-5xv7-34mg.