CVE-2026-3270 psi-probe PSI Probe Whois Whois.java lookup server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in PSI Probe's Whois lookup function to access internal resources.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-3270?
CVE-2026-3270 is a medium-severity server-side request forgery vulnerability in psi-probe PSI Probe, published on 26 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in psi-probe PSI Probe up to 5.3.0. This affects the function lookup of the file psi-probe-core/src/main/java/psiprobe/tools/Whois.java of the component Whois. The manipulation leads to server-side request forgery. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-918
Which versions are affected by CVE-2026-3270?
2 open source packages ship an affected version, including com.github.psi-probe:psi-probe-core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
com.github.psi-probe:psi-probe-core Maven | All versions to 5.3.0 | None |
com.github.psi-probe:psi-probe-core Maven | All versions to 5.3.0 | None |
Products include Psi-Probe Psi Probe.
How do I fix CVE-2026-3270?
No fix has been published for CVE-2026-3270 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-3270 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3270 exists.
Other vulnerabilities in psi-probe PSI Probe
Sources
Also known as GHSA-429m-9874-rx9w.