CVE-2026-91842: Openbankproject Obp-API

Medium severity, CVSS 4.1. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability has been found in OpenBankProject OBP-API up to 1.10.1. This impacts the function KryoInjection.invert of the file obp-api/src/main/scala/code/api/cache/Redis.scala of the component Kryo Handler. Such manipulation leads to deserialization. The attack can be launched remotely. A high complexity level is associated with this attack. The exploitability is said to be difficult. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

• Openbankproject Obp-API: version 1.10.0 only; version 1.10.1 only

Published 2026-09-15. Last modified 2026-09-16.