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CVE-2026-4820— IBM Maximo Application Suite was vulnerable to because Cookie ltpatoken2_<workspace_name> was not set with secure flag

Quick assessment

Affected
IBM Maximo Application Suite
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 Maximo Application Suite是美国国际商业机器（IBM）公司的一个为智能资产管理、监控、维护、计算机视觉、安全性和可靠性提供的单一平台。 IBM Maximo Application Suite 9.1版本、9.0版本、8.11版本和8.10版本存在安全漏洞，该漏洞源于未在授权令牌或会话Cookie上设置安全属性，可能导致攻击者通过发送http链接或植入链接获取Cookie值。

CVSS 4.3 · Medium EPSS 0.19% · P7

Possible ATT&CK Techniques 1 AI

T1539 · Steal Web Session Cookie
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I. Basic Information for CVE-2026-4820

Vulnerability Information
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Vulnerability Title
IBM Maximo Application Suite was vulnerable to because Cookie ltpatoken2_<workspace_name> was not set with secure flag
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Maximo Application Suite 9.1, 9.0, 8.11, and 8.10 does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
HTTPS会话中未设置’Secure’属性的敏感Cookie
Source: CVE Program / CVE List V5
Vulnerability Title
IBM Maximo Application Suite 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM Maximo Application Suite是美国国际商业机器（IBM）公司的一个为智能资产管理、监控、维护、计算机视觉、安全性和可靠性提供的单一平台。 IBM Maximo Application Suite 9.1版本、9.0版本、8.11版本和8.10版本存在安全漏洞，该漏洞源于未在授权令牌或会话Cookie上设置安全属性，可能导致攻击者通过发送http链接或植入链接获取Cookie值。
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 Maximo Application Suite 9.1.0 ~ 10.6.5.0 cpe:2.3:a:ibm:maximo_application_suite:9.1:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-4820

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III. Intelligence Information for CVE-2026-4820

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Vendor Advisories for CVE-2026-4820 (1)

Same Patch Batch · IBM · 2026-04-01 · 16 CVEs total

CVE-2026-4101 8.1 HIGH Security Vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2025-13855 7.6 HIGH IBM Storage Protect Server is affected by a vulnerability that could allow authenticated u
CVE-2026-1345 7.3 HIGH Security Vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2025-36375 6.5 MEDIUM IBM DataPower Gateway vulnerable to CSRF
CVE-2025-66483 6.3 MEDIUM Multiple vulnerabilities have been addressed in IBM Aspera Shares
CVE-2025-13916 5.9 MEDIUM Multiple vulnerabilities have been addressed in IBM Aspera Shares
CVE-2025-66484 5.5 MEDIUM Multiple vulnerabilities have been addressed in IBM Aspera Shares
CVE-2025-66485 5.4 MEDIUM Multiple vulnerabilities have been addressed in IBM Aspera Shares
CVE-2026-4364 5.4 MEDIUM Security Vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-1491 5.3 MEDIUM Security Vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-2862 5.3 MEDIUM Security Vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2025-66486 4.8 MEDIUM Multiple vulnerabilities have been addressed in IBM Aspera Shares
CVE-2025-36373 4.1 MEDIUM Incorrect administrative access control in IBM DataPower Gateway
CVE-2026-2475 3.1 LOW Security Vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2025-66487 2.7 LOW Multiple vulnerabilities have been addressed in IBM Aspera Shares

IV. Related Vulnerabilities

Same product: Maximo Application Suite
Same vendor: IBM
Same weakness: CWE-614

V. Comments for CVE-2026-4820

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