How severe is CVE-2026-58662?

CVE-2026-58662 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2026-58662 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-58662?

CVE-2026-58662 affects Apache Thrift. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-58662?

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

When was CVE-2026-58662 published?

CVE-2026-58662 was published on 2026-07-27.

CVE-2026-58662

CVE-2026-58662 is a critical-severity vulnerability in Apache Thrift with a CVSS 3.x base score of 9.1. 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-125.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v4: 8.7
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Apache Thrift
Published: 2026-07-27
Last modified: 2026-07-27

Description

Improper Validation of Specified Quantity in Input, Out-of-bounds Read vulnerability in Apache Thrift C++ 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-2026-58662?: Improper Validation of Specified Quantity in Input, Out-of-bounds Read vulnerability in Apache Thrift C++ 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-2026-58662?: CVE-2026-58662 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2026-58662 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-58662?: CVE-2026-58662 affects Apache Thrift. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-58662?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-58662 published?: CVE-2026-58662 was published on 2026-07-27.

References

Affected products (1)

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

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