CVE-2026-10571: ibm websphere_application_server Deserialization of Untrusted Data
CVSS: 5.7v3.1MediumAnalyzed
Published 13-08-2026Last modified 14-08-2026
Vulnerability summary
CVE-2026-10571 is a medium (CVSS 5.7) Deserialization of Untrusted Data vulnerability in ibm websphere_application_server. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47.5% of scored vulnerabilities.
CVSS score
5.7/10
010
Medium · v3.1 (CVE.org)EPSS score
0.59%
0%100%
Low · +0.29 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-08-2026PublishedVulnerability first disclosed.
- 14-08-2026Last modifiedVulnerability information updated.
Description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is affected by a denial of service caused by insecure deserialization. A low-privileged, administrative user could exploit this vulnerability to consume system resources when the restConnector-2.0 feature is enabled.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSources2 sources · 5.3–5.7
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.59%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
+0.29 pp
From 0.31% on 21-09-2026
21-09-202621-10-2026
EPSS score0.59%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ibm2 products
- websphere_application_server≥ 17.0.0.3, < 26.0.0.9
- websphere application server - liberty≥ 17.0.0.3, ≤ 26.0.0.8
1 vendor · 2 products