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CVE-2026-7870— IBM i is Affected by Privilege Escalation []

Quick assessment

Affected
IBM i
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM i是美国国际商业机器（IBM）公司的一套运行在IBM Power Systems和IBM PureSystems中的操作系统。 IBM i 7.6版本、7.5版本、7.4版本和7.3版本存在代码问题漏洞，该漏洞源于未限定的库调用，可能导致用户提升权限。

CVSS 8.8 · High EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 4

VendorProduct Version RangeStatus
IBM i 7.6 affected
7.5 affected
7.4 affected
7.3 affected
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I. Basic Information for CVE-2026-7870

Vulnerability Information
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Vulnerability Title
IBM i is Affected by Privilege Escalation []
Source: CVE Program / CVE List V5
Vulnerability Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a user to gain elevated privileges due to an unqualified library call. A malicious actor could cause user-controlled code to run with administrator privilege.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
IBM i 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM i是美国国际商业机器（IBM）公司的一套运行在IBM Power Systems和IBM PureSystems中的操作系统。 IBM i 7.6版本、7.5版本、7.4版本和7.3版本存在代码问题漏洞，该漏洞源于未限定的库调用，可能导致用户提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM i 7.6 cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-7870

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III. Intelligence Information for CVE-2026-7870

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Vendor Advisories for CVE-2026-7870 (1)

Same Patch Batch · IBM · 2026-06-11 · 5 CVEs total

CVE-2026-7787 7.5 HIGH Unauthenticated Session History Access via Public Flow Execution
CVE-2026-4096 6.5 MEDIUM A vulnerability has been identified in IBM DevOps Plan that allows a Host Header Injection
CVE-2026-3341 5.4 MEDIUM IBM Langflow Desktop 1.0.0 - 1.9.2 DNS Rebinding Bypasses SSRF Protection Allowing Access
CVE-2024-45636 4.1 MEDIUM IBM Security QRadar EDR Software has a vulnerability where user credentials may be stored

IV. Related Vulnerabilities

Same product: i
Same vendor: IBM
Same weakness: CWE-427

V. Comments for CVE-2026-7870

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