How severe is CVE-2026-94637?

CVE-2026-94637 has a CVSS 4.0 base score of 8.2, rated high severity.

Is CVE-2026-94637 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-94637?

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-2026-94637 published?

CVE-2026-94637 was published on 2026-10-02 and last updated on 2026-10-05.

CVE-2026-94637

CVE-2026-94637 is a high-severity vulnerability with a CVSS 4.0 base score of 8.2. 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-409.

Key facts

Severity: High (CVSS 4.0 base score 8.2)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-409
Published: 2026-10-02
Last modified: 2026-10-05

Description

Improper handling of highly compressed data (data amplification) vulnerability in Apache Thrift Go bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.

Frequently asked questions

What is CVE-2026-94637?: Improper handling of highly compressed data (data amplification) vulnerability in Apache Thrift Go bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
How severe is CVE-2026-94637?: CVE-2026-94637 has a CVSS 4.0 base score of 8.2, rated high severity.
Is CVE-2026-94637 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-94637?: 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-2026-94637 published?: CVE-2026-94637 was published on 2026-10-02 and last updated on 2026-10-05.

References

Other CWE-409 vulnerabilities

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CVE-2026-53430 — High (CVSS 8.7): Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in elixir-grpc grpc…
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