Spring Security Advisories

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OOM by attacker-controlled PDF

MEDIUM | APRIL 27, 2026 | CVE-2026-40980

Description

In Spring AI, a malicious PDF file can be crafted that triggers the allocation of unreasonable amounts of memory when handled by ForkPDFLayoutTextStripper.

Only applications that use ForkPDFLayoutTextStripper and pass user-supplied input to DocumentReaders are affected.

Affected Spring Products and Versions

Spring AI:

  • 1.0.0 - 1.0.5
  • 1.1.0 - 1.1.4

Affected Spring Products and Versions

Spring AI:

  • 1.1.0 - 1.1.4
  • 1.0.0 - 1.0.5

Mitigation

Users of affected versions should upgrade to the corresponding fixed version.
Fix versionAvailability
1.1.5OSS
1.0.6OSS

No further mitigation steps are necessary.

References

History

  • 2026-04-27: Initial vulnerability report published.

Reporting a vulnerability

To report a security vulnerability for a project within the Spring portfolio, see the Security Policy

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