Vulnerability in org.springframework.cloud:spring-cloud-function-context (CVE-2026-40989)
Summary
Vulnerability in org.springframework.cloud:spring-cloud-function-context (CVE-2026-40989). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
Under infinite recursion in the routing layer, request-handling can cause OOM error.
Affected Spring Products and Versions:
Spring Cloud Function 3.2.x: versions prior to 3.2.16
Spring Cloud Function 4.1.x: versions prior to 4.1.10
Spring Cloud Function 4.2.x: versions prior to 4.2.6
Spring Cloud Function 4.3.x: versions prior to 4.3.3
Spring Cloud Function 5.0.x: versions prior to 5.0.2
Older, unsupported versions are also affected.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-40989 has been found in org.springframework.cloud:spring-cloud-function-context.
Risk of unauthorized operations or information disclosure. CVSS score: 5.7/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "org.springframework.cloud:spring-cloud-function-context CVE-2026-40989" on the vendor's site.
CVE-2026-40989 (org.springframework.cloud:spring-cloud-function-context) — CWE-674 / CVSS v3 5.7
Attack vector: physical
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-674) exists in org.springframework.cloud:spring-cloud-function-context.
Check the vendor advisory for the affected versions of org.springframework.cloud:spring-cloud-function-context.
Severity: Medium (CVSS 5.7/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで org.springframework.cloud:spring-cloud-function-context を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory nvd.nist.gov
- advisory github.com
- package github.com
- web spring.io
- web github.com
- web github.com