In Spring for Apache Kafka, SSRF via DNS resolution triggered by untrusted java.net types in header mapper default trusted packages

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Affected scope and exposure questions

The current feed maps Spring/Spring for Apache Kafka (generic). Check affected ranges and fixed versions before updating.

Recommended response

1. 1Check inventory. Check lockfiles and deployed manifests for Spring/Spring for Apache Kafka.
2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

1. Published upstream

   Aug 27, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

2. Source modified

   Aug 27, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

3. First seen by HOL

   Aug 27, 2026

Sources and claim methodology

• Source referencespring.io

Related CVEs

• Spring Cloud Gateway SSRF and native file access with gRPCAlso CWE-918
• CMP - Coming Soon & Maintenance < 4.1.18 - Unauthenticated Maintenance Mode Disable via cmp_disable_comingsoon_ajaxSame generic ecosystem
• CMP - Coming Soon & Maintenance < 4.1.18 - Editor+ Privilege Escalation via cmp_ajax_import_settingsSame generic ecosystem
• CMP - Coming Soon & Maintenance < 4.1.18 - Editor+ Stored XSS via niteoCS_socialmediaSame generic ecosystem
• Document Embedder < 2.3.1 - Unauthenticated Private Document Download via Token OracleSame generic ecosystem
• ShopApper <= 0.4.62 - Subscriber+ Customer Data Disclosure via IDORSame generic ecosystem