CVE-2026-111210 bitcoinj Payment Request PaymentSession.java url.openConnection server-side request forgery
Remote attackers can exploit a flaw in bitcoinj's Payment Request Handler to perform server-side request forgery via the pki_type argument.
- 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-2026-111210?
CVE-2026-111210 is a medium-severity server-side request forgery vulnerability in bitcoinj, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was determined in bitcoinj up to 0.17. Affected is the function url.openConnection of the file PaymentSession.java of the component Payment Request Handler. Executing a manipulation of the argument pki_type can lead to server-side request forgery. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Weakness: CWE-918
Which versions are affected by CVE-2026-111210?
How do I fix CVE-2026-111210?
No fix has been published for CVE-2026-111210 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-2026-111210 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111210 exists.
Sources
Also known as GHSA-cqq6-f9cp-chrp, GHSA-pwv4-794h-r868.