What is the CVSS score of CVE-2026-43870?

CVE-2026-43870 has a CVSS 3.1 base score of 7.3 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.0%.

Which versions of Apache Thrift are affected by CVE-2026-43870?

Apache Thrift Node.js versions prior to 0.23.0 contain a path traversal vulnerability allowing unauthenticated remote attackers to read sensitive files and write to arbitrary locations, potentially…. A patch is available.

Apache Thrift CVE-2026-43870

EUVD-2026-27245 HIGH

Path Traversal (CWE-22)

2026-05-05

GHSA-526f-jxpj-jmg2

Apache Java Path Traversal Node.js

7.3

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

May 06, 2026 - 17:30 vuln.today

CVSS changed

May 06, 2026 - 15:22 NVD

7.3 (None) 7.3 (HIGH)

Patch available

May 05, 2026 - 10:01 EUVD

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

5 npm packages depend on thrift (4 direct, 1 indirect)

Ecosystem-wide dependent count for version 0.22.0.

Description PRE-NVD

Disclosed via oss-security. NVD scoring and full description are pending.

AnalysisAI

Path traversal vulnerability in Apache Thrift Node.js web_server.js (versions prior to 0.23.0) allows remote unauthenticated attackers to read arbitrary files, write to unauthorized locations, and potentially execute code. Disclosed via oss-security mailing list pre-NVD publication. …

RemediationAI

Within 24 hours: Identify all systems running Apache Thrift Node.js and document current versions via inventory tools. Within 7 days: Apply vendor-released patch to upgrade all affected instances to version 0.23.0 or later, with priority given to internet-facing deployments. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-43870 vulnerability details – vuln.today

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