CVE-2025-36290Network attack vector

Information disclosure via improper JWT TLS validation

Published Aug 28, 2026 · Updated Aug 28, 2026

Improper TLS validation in IBM Integrated Analytics System 1.0.0.0 through 1.0.31.0 allows attackers to read sensitive information. The JWT service component fails to validate its peer TLS certificate correctly, but IBM has not disclosed which certificate property or validation path is mishandled. Exploitation requires control of the network path for an adversary-in-the-middle position; the reported impact is sensitive-information disclosure only.

CVSS severity5.9
Medium
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper TLS validation in IBM Integrated Analytics System 1.0.0.0 through 1.0.31.0 allows attackers to read sensitive information. The JWT service component fails to validate its peer TLS certificate correctly, but IBM has not disclosed which certificate property or validation path is mishandled. Exploitation requires control of the network path for an adversary-in-the-middle position; the reported impact is sensitive-information disclosure only.

The record

CVE
CVE-2025-36290
Published
Aug 28, 2026
Updated
Aug 28, 2026
Vendor
IBM
Product
Integrated Analytics System
Classifications
CWE-295, T1557
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.0.0 <=1.0.31.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · Integrated Analytics Systemversion=1.0.0.0 <=1.0.31.0

Published CVSS scores

5.9IBM CorporationCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-295Improper Certificate Validation
T1557Adversary-in-the-Middle

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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