How severe is CVE-2026-65934?

CVE-2026-65934 has a CVSS 4.0 base score of 7.1, rated high severity.

Is CVE-2026-65934 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-65934?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-65934 published?

CVE-2026-65934 was published on 2026-08-13.

CVE-2026-65934

CVE-2026-65934 is a high-severity vulnerability with a CVSS 4.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-440.

Key facts

Severity: High (CVSS 4.0 base score 7.1)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-440
Published: 2026-08-13
Last modified: 2026-08-13

Description

An unencrypted 'pause encryption request' message causes a denial of service in the BT122 module. See vulnerability B-E10 in the related paper below.

Frequently asked questions

What is CVE-2026-65934?: An unencrypted 'pause encryption request' message causes a denial of service in the BT122 module. See vulnerability B-E10 in the related paper below.
How severe is CVE-2026-65934?: CVE-2026-65934 has a CVSS 4.0 base score of 7.1, rated high severity.
Is CVE-2026-65934 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-65934?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-65934 published?: CVE-2026-65934 was published on 2026-08-13.

References

Other CWE-440 vulnerabilities

CVE-2019-6569 — Critical (CVSS 9.1): The monitor barrier of the affected products insufficiently blocks data from being forwarded over the mirror port into…
CVE-2024-32971 — Critical (CVSS 9.0): Apollo Router is a configurable, graph router written in Rust to run a federated supergraph that uses Apollo Federation…
CVE-2025-8850 — High (CVSS 8.8): In danny-avila/librechat version 0.7.9, there is an insecure API design issue in the 2-Factor Authentication (2FA)…
CVE-2026-8806 — High (CVSS 8.7): Expected Behavior Violation vulnerability in Mitsubishi Electric MELSEC iQ-F Series FX5-ENET/IP Ethernet Module…
CVE-2018-12550 — High (CVSS 8.1): When Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) is configured to use an ACL file, and that ACL file is empty,…
CVE-2023-4807 — High (CVSS 7.8): Issue summary: The POLY1305 MAC (message authentication code) implementation contains a bug that might corrupt the…

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