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CVE-2026-59279

7.5 high SSVC exploitation: none Analyzed
NVD · CVE.org

The MCP Streamable HTTP server transport (WebFlux and WebMvc variants) does not place any limit on the number of sessions it retains, and by default does not require clients to be authenticated. As a result, a remote attacker can cause the server to accumulate an unbounded number of sessions over time, gradually exhausting available memory and ultimately causing a Denial of Service that affects all legitimate clients. Affected versions: Spring AI: 2.0.0

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.5 · vmwareNVD modified 2026-10-16 13:10

Affected (CPE criteria) 1

  • cpe:2.3:a:vmware:spring_ai:*:-:*:*:*:*:*:*

References 1