Cyber Resilience

CVE-2026-43868

Medium

Published: 05 May 2026

Published
05 May 2026
Modified
06 May 2026
KEV Added
—
Patch
—
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0028 51.8th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-43868 is a medium-severity Memory Allocation with Excessive Size Value (CWE-789) vulnerability in Apache Thrift. Its CVSS base score is 5.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked in the top 48.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-789

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
attack.mitre.org →
Why these techniques?

CWE-789 enables remote memory exhaustion DoS against Thrift-based services via crafted allocation requests (application exploitation).

Confidence: MEDIUM · MITRE ATT&CK Enterprise v18.1

Affected Assets

apache
thrift
≤ 0.23.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References