How severe is CVE-2026-43868?

CVE-2026-43868 has a CVSS 3.x base score of 5.3, rated medium 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 low.

Is CVE-2026-43868 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-43868?

CVE-2026-43868 affects Apache Thrift. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-43868?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-43868 have an EU (EUVD) identifier?

Yes. CVE-2026-43868 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27243.

When was CVE-2026-43868 published?

CVE-2026-43868 was published on 2026-05-05 and last updated on 2026-07-21.

CVE-2026-43868

CVE-2026-43868 is a medium-severity vulnerability in Apache Thrift with a CVSS 3.x base score of 5.3. 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-789.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-27243
Weakness: CWE-789
Affected product: Apache Thrift
Published: 2026-05-05
Last modified: 2026-07-21

Description

Memory Allocation with Excessive Size Value vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.

Frequently asked questions

What is CVE-2026-43868?: Memory Allocation with Excessive Size Value vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.
How severe is CVE-2026-43868?: CVE-2026-43868 has a CVSS 3.x base score of 5.3, rated medium 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 low.
Is CVE-2026-43868 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-43868?: CVE-2026-43868 affects Apache Thrift. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-43868?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-43868 have an EU (EUVD) identifier?: Yes. CVE-2026-43868 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27243.
When was CVE-2026-43868 published?: CVE-2026-43868 was published on 2026-05-05 and last updated on 2026-07-21.

References

Affected products (1)

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

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