CVE-2026-41732 HIGH

CVE-2026-41732: In Spring for Apache Pulsar, overly broad trusted-package matching in header mapper exposes JDK classes to deserialization

Vendor Spring
Product Spring for Apache Pulsar
Weakness CWE-502 · Unsafe deserialization
Published June 9, 2026
Last update June 10, 2026
View on NVD All CVEs

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

Description

JsonPulsarHeaderMapper matched type headers against trusted packages using a prefix check, meaning that trusting any package implicitly trusted all of its subpackages. Additionally, an empty trusted-packages configuration fell back to trusting all packages rather than applying a safe default allow-list. Affected versions: Spring for Apache Pulsar 2.0.0 through 2.0.5; 1.2.0 through 1.2.17; 1.1.0 through 1.1.17.

Key dates

Disclosure timeline

June 9, 2026 CVE published
June 10, 2026 Record updated