CVE-2026-4820: ibm maximo application suite
Vulnerability summary
CVE-2026-4820 is a medium (CVSS 4.3) vulnerability in ibm maximo application suite. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 7.8% of scored vulnerabilities.
Timeline
- 01-04-2026PublishedVulnerability first disclosed.
- 02-04-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
+0.07 pp
From 0.12% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-614Sensitive Cookie in HTTPS Session Without 'Secure' AttributeThe Secure attribute for sensitive cookies in HTTPS sessions is not set.
- CWE-319Cleartext Transmission of Sensitive InformationThe product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.
Affected systems
Ibm1 product
- maximo application suite≥ 9.1.0, ≤ 10.6.5.0 | 9.0 | 8.11.0 | 8.10 | ≥ 8.10, < 8.10.33 | ≥ 8.11, < 8.11.30 | ≥ 9.0, < 9.0.19 | ≥ 9.1, < 9.1.8
1 vendor · 1 product