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CVE-2026-18849— IBM OpenBMC Code Execution

Quick assessment

Affected
IBM OPENBMC
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 openbmc是美国IBM公司开源的一套基板管理控制器固件。 IBM OpenBMC FW1060.00版本至FW1060.80版本存在安全漏洞，该漏洞源于BMC固件更新过程处理不当，可能导致具有管理员权限的经过身份验证的攻击者在特定条件下执行任意代码，影响系统机密性、完整性和可用性。

CVSS 6.8 · Medium EPSS 0.24% · P15

Affected Version Matrix 1

VendorProduct Version RangeStatus
IBM OPENBMC FW1060.00≤ FW1060.80 affected
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I. Basic Information for CVE-2026-18849

Vulnerability Information
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Vulnerability Title
IBM OpenBMC Code Execution
Source: CVE Program / CVE List V5
Vulnerability Description
IBM OpenBMC FW1060.00 through FW1060.80 is affected by a vulnerability in the BMC firmware update process. An attacker with authenticated administrator-level access to the BMC can, under specific conditions, execute arbitrary code, resulting in a confidentiality, integrity, and availability impact.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
IBM OpenBMC 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM openbmc是美国IBM公司开源的一套基板管理控制器固件。 IBM OpenBMC FW1060.00版本至FW1060.80版本存在安全漏洞，该漏洞源于BMC固件更新过程处理不当，可能导致具有管理员权限的经过身份验证的攻击者在特定条件下执行任意代码，影响系统机密性、完整性和可用性。
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 OPENBMC FW1060.00 ~ FW1060.80 cpe:2.3:o:ibm:openbmc:fw1060.00:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-18849

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III. Intelligence Information for CVE-2026-18849

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Other References for CVE-2026-18849 (1)

Same Patch Batch · IBM · 2026-08-19 · 107 CVEs total

CVE-2026-15068 9.9 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16816 9.9 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16894 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16882 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16919 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16917 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16862 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16864 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16913 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16834 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16885 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16845 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16872 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16656 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16840 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16903 9.6 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16835 9.6 CRITICAL Power System Improper Certificate Validation
CVE-2026-16687 9.6 CRITICAL Power System Buffer Overflow
CVE-2026-16839 9.4 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16822 9.3 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS

Showing top 20 of 107 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: OPENBMC
Same vendor: IBM
Same weakness: CWE-22

V. Comments for CVE-2026-18849

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