Cyber Resilience

CVE-2026-53689

High

Published: 10 June 2026

Published
10 June 2026
Modified
10 June 2026
KEV Added
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Patch
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CVSS Score v3.1 7.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
EPSS Score 0.0019 9.0th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-53689 is a high-severity Improper Validation of Specified Quantity in Input (CWE-1284) vulnerability. Its CVSS base score is 7.1 (High).

Operationally, ranked at the 9.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

libnfs through 6.0.2 before 55c18ea does not validate a string size, leading to an integer overflow during a connection to a crafted NFS server. This occurs in libnfs_zdr_string in lib/libnfs-zdr.c.

CWE(s)
CWE-1284

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References