CVE-2026-111210: bitcoinj Payment Request PaymentSession.java url.openConnection server-side request forgery

Is it exploited?

Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of 29 Oct 2026. If CISA adds it, this page shows it as known exploited.

How likely is exploitation in the next 30 days?

0.3%

EPSS score, percentile 21.6 of all scored records. A probability estimated by FIRST, not a report of exploitation.

CISA's SSVC assessment in the CVE record lists exploitation as poc.

How severe?

6.9 Medium

CVSS v4.0 base score, given by the CNA

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6

and 6 more in the table below

Versions by product

Source: CISA KEV 2026.10.29, as of 29 Oct 2026; FIRST EPSS, as of 29 Oct 2026; CVE List, as of 29 Oct 2026. About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of 29 Oct 2026. Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

As listed in the CVE record.

And 5 more version entries in the CVE record.

Source: CVE List, as of 29 Oct 2026. About the data.

About this vulnerability

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…

Summary: CVE record, as of 29 Oct 2026.

• CISA has not added CVE-2026-111210 to its Known Exploited Vulnerabilities (KEV) catalog, as of 29 Oct 2026.
• The CVE record was published on 16 Oct 2026.
• The CVE record carries a CVSS v4.0 base score of 6.9 (Medium), given by its CNA.
• FIRST's EPSS model puts the probability of exploitation in the next 30 days at 0.3% (percentile 21.6), as of 29 Oct 2026. EPSS is a statistical estimate, not a report of exploitation.
• CISA's SSVC assessment in the CVE record: exploitation poc, automatable yes, technical impact partial.
• The credits in the CVE record name ZAST.AI as finder.

Source: CISA KEV 2026.10.29, as of 29 Oct 2026; CVE List, as of 29 Oct 2026; FIRST EPSS, as of 29 Oct 2026. About the data.

Description

bitcoinj Payment Request PaymentSession.java url.openConnection server-side request forgery

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.

Source: CVE List, as of 29 Oct 2026. About the data.

Timeline