How severe is CVE-2026-58389?

CVE-2026-58389 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-58389 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-58389?

CVE-2026-58389 affects Apache Thrift. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-58389?

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-2026-58389 published?

CVE-2026-58389 was published on 2026-07-27.

CVE-2026-58389

CVE-2026-58389 is a high-severity vulnerability in Apache Thrift with a CVSS 3.x base score of 7.5. 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-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Apache Thrift
Published: 2026-07-27
Last modified: 2026-07-27

Description

Allocation of Resources Without Limits or Throttling vulnerability in Apache Thrift Rust bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue.

Frequently asked questions

What is CVE-2026-58389?: Allocation of Resources Without Limits or Throttling vulnerability in Apache Thrift Rust bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue.
How severe is CVE-2026-58389?: CVE-2026-58389 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-58389 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-58389?: CVE-2026-58389 affects Apache Thrift. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-58389?: 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-2026-58389 published?: CVE-2026-58389 was published on 2026-07-27.

References

Affected products (1)

cpe:2.3:a:apache:thrift:*:*:*:*:*:*:*:*

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