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BDVDB
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Vulnerabilities

CVE-2026-27887 | BDVDB-2026-317541 Detail

spinframeworkspin

Description#

Spin is an open source developer tool for building and running serverless applications powered by WebAssembly. When Spin is configured to allow connections to a database or web server which could return responses of unbounded size (e.g. tables with many rows or large content bodies), Spin may in some cases attempt to buffer the entire response before delivering it to the guest, which can lead to the host process running out of memory, panicking, and crashing. In addition, a malicious guest application could incrementally insert a large number of rows or values into a database and then retrieve them all in a single query, leading to large host allocations. Spin 3.6.1, SpinKube 0.6.2, and `containerd-shim-spin` 0.22.1 have been patched to address the issue. As a workaround, configure Spin to only allow access to trusted databases and HTTP servers which limit response sizes.

Impact#

Per CVSS v4.0: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

  • CWE-770 Allocation of Resources Without Limits or Throttling
  • CWE-774 Allocation of File Descriptors or Handles Without Limits or Throttling
  • CWE-789 Memory Allocation with Excessive Size Value

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.