Vulnerability · Published Aug 27, 2026 · Assigned by vmware

CVE-2026-59304Improper caching of the original content type in Spring Cloud Stream Avro

Low 3.1

In plain English

A low-severity type confusion in Spring Cloud Stream from Spring. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities).

Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)0.2%top 88.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper caching of the original content type in Spring Cloud Stream Avro. Spring Cloud Stream 5.0.0 - 5.0.2 Spring Cloud Stream 4.3.0 - 4.3.3 Spring Cloud Stream 4.2.0 - 4.2.6

Affected products (as reported)

VendorProductVersions
Spring Spring Cloud Stream 5.0.0 – through 5.0.24.3.0 – through 4.3.34.2.0 – through 4.2.6

Weakness: CWE-843 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N

References