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CVE-2026-40990

MEDIUM 5.7

Published 2026-06-01 · Last modified 2026-06-01

OOM error is possible while attempting to add infinite amount of functions to Function Registry. 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.

NO EXPLOITATION SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 11th percentile

○ In CISA KEV ○ Public exploit / PoC

Impact if exploited

5.7CVSS 3.1 · MEDIUM

  • ConfidentialityNone
  • IntegrityLow
  • AvailabilityHigh

What an attacker needs

  • ⚠Access: Requires physical access to the device
  • ⚠Privileges: Requires a low-privilege account
  • ⚠User interaction: A user must take an action (click / open a file)
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Affected

Vendors Spring

Products Spring Cloud Function

Weakness (CWE)

  • CWE-770: Allocation without limits

CVSS vector

CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:H

References

Technical & other

Sources: NVD · CVE.org · EPSS