Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-18499— IBM WebSphere Application Server Liberty is affected by a privilege escalation

Quick assessment

Affected
IBM WebSphere Application Server - Liberty
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 WebSphere Application Server - Liberty是美国IBM公司的一款应用服务器软件。 IBM WebSphere Application Server - Liberty 17.0.0.3至26.0.0.8版本存在授权问题漏洞，该漏洞源于使用Liberty collectives时存在权限提升。

CVSS 8.1 · High EPSS 0.42% · P34

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
IBM WebSphere Application Server - Liberty 17.0.0.3≤ 26.0.0.8 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-18499

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
IBM WebSphere Application Server Liberty is affected by a privilege escalation
Source: CVE Program / CVE List V5
Vulnerability Description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is vulnerable to a privilege escalation when using Liberty collectives.
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:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
IBM WebSphere Application Server - Liberty 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM WebSphere Application Server - Liberty是美国IBM公司的一款应用服务器软件。 IBM WebSphere Application Server - Liberty 17.0.0.3至26.0.0.8版本存在授权问题漏洞，该漏洞源于使用Liberty collectives时存在权限提升。
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 WebSphere Application Server - Liberty 17.0.0.3 ~ 26.0.0.8 cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-18499

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-18499

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-18499 (1)

Same Patch Batch · IBM · 2026-08-12 · 68 CVEs total

CVE-2024-27253 10.0 CRITICAL IBM Engineering Requirements Management DOORS Next is impacted by vulnerability in Reviews
CVE-2026-16860 9.9 CRITICAL IBM i is Affected By Remote Code Execution Vulnerability []
CVE-2026-16956 9.8 CRITICAL IBM Db2 Mirror for i is vulnerable to OS command injection []
CVE-2026-17218 9.8 CRITICAL IBM i is Affected By Remote Code Execution Vulnerability in Line Printer Daemon []
CVE-2026-17083 9.8 CRITICAL IBM i is Affected By Multiple Vulnerabilities in the Debug Server
CVE-2026-17276 9.6 CRITICAL IBM i is Affected By Multiple Vulnerabilities in Navigator for i
CVE-2026-18099 8.9 HIGH IBM i is Affected By Multiple Vulnerabilities in Navigator for i
CVE-2026-16856 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in Domain Name System
CVE-2026-18847 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in Navigator for i
CVE-2026-18713 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in Navigator for i
CVE-2026-17642 8.8 HIGH IBM i is Affected By Remote Code Execution Vulnerabilities [, ]
CVE-2026-13361 8.8 HIGH IBM Informix Server Vulnerability in SQL Interface Handler Could Allow Remote Code Executi
CVE-2026-13105 8.8 HIGH IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities
CVE-2026-18683 8.8 HIGH IBM i is Affected By privilege escalation in Navigator for i
CVE-2026-17082 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in the Debug Server
CVE-2026-17417 8.8 HIGH IBM i is Affected By Remote Code Execution Vulnerabilities [, ]
CVE-2026-18669 8.8 HIGH IBM i is Affected By A Privilege Escalation Vulnerability []
CVE-2026-16906 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in Domain Name System
CVE-2026-17110 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in SQL
CVE-2026-12004 8.7 HIGH Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve

Showing top 20 of 68 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: WebSphere Application Server - Liberty
Same vendor: IBM
Same weakness: CWE-285

V. Comments for CVE-2026-18499

No comments yet

Leave a comment