VulnerabilityPublished 25 Mar 2026

CVE-2026-2484: IBM InfoSphere Information Server · Generation of error message containing sensitive information

Affects IBM InfoSphere Information ServerSource CVE Database V5

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Not known to be exploited · CVSS 4.3 Medium.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score

4.3Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.2% chance of exploitation in 30 days – higher than 22% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: None
Availability: None

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: Low: The attacker is authorized with (i.e., requires) privileges that provide basic user capabilities that could normally affect only settings and files owned by a user. Alternatively, an attacker with Low privileges may have the ability to cause an impact only to non-sensitive resources.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: Low: There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the impacted component.
Integrity: None: There is no loss of integrity within the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 25 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
IBMInfoSphere Information Server	Affected >=11.7.0.0 <=11.7.1.6	Fixed in–

CPE configurations (2)

cpe:2.3:a:ibm:infosphere_information_server:11.7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:infosphere_information_server:11.7.1.6:*:*:*:*:*:*:*

AI-suggested

To mitigate CVE-2026-2484, organizations should implement the following specific measures: 1) Monitor IBM’s official channels for patches or updates addressing this vulnerability and apply them promptly once available. 2) Configure IBM InfoSphere Information Server to limit the verbosity of error messages, ensuring that sensitive internal details are not exposed to users or network requests. 3) Restrict network access to the InfoSphere server to trusted IP addresses and enforce strong authentication and authorization controls to minimize the risk of low-privilege exploitation. 4) Implement comprehensive logging and monitoring to detect unusual access patterns or error message requests that could indicate reconnaissance attempts. 5) Conduct regular security assessments and penetration testing focused on information disclosure vectors within InfoSphere environments. 6) Educate system administrators and developers about secure error handling practices to prevent inadvertent leakage of sensitive information. These targeted actions go beyond generic advice by focusing on controlling error message output and access restrictions specific to the affected product.

Description

IBM InfoSphere Information Server 11.7.0.0 through 11.7.1.6 is affected by an information exposure vulnerability caused by overly verbose error messages

Impact

The primary impact of CVE-2026-2484 is the exposure of sensitive information through verbose error messages, which can aid attackers in understanding the internal workings and configurations of IBM InfoSphere Information Server deployments. This information leakage can facilitate more effective targeted attacks, such as privilege escalation, lateral movement, or exploitation of other vulnerabilities. Although the vulnerability does not directly compromise system integrity or availability, the confidentiality breach can have cascading effects on organizational security posture. Organizations relying on IBM InfoSphere for critical data integration and processing may face increased risk of data breaches or operational disruptions if attackers leverage this information to mount further attacks. The requirement for low privileges to exploit the vulnerability means that insider threats or compromised low-level accounts could exploit this issue. The absence of known exploits in the wild reduces immediate risk but does not eliminate the potential for future exploitation. Overall, the vulnerability represents a moderate threat that could be a stepping stone for more severe attacks if not addressed.

CWE-209Generation of Error Message Containing Sensitive Information (opens in a new tab)
Base weaknessLikelihood of exploit: HighOWASP Top 10 A10:2025: Mishandling of Exceptional Conditions (opens in a new tab)
The product generates an error message that includes sensitive information about its environment, users, or associated data.
Implementation
Ensure that error messages only contain minimal details that are useful to the intended audience and no one else. The messages need to strike the balance between being too cryptic (which can confuse users) or being too detailed (which may reveal more than intended).
Implementation
Handle exceptions internally and do not display errors containing potentially sensitive information to a user.
Implementation · Attack Surface Reduction
Use naming conventions and strong types to make it easier to spot when sensitive data is being used. When creating structures, objects, or other complex entities, separate the sensitive and non-sensitive data as much as possible.
OWASP Cheat Sheets
Error Handling (opens in a new tab)
Logging (opens in a new tab)
OWASP ASVS 4.0.3
V8.3.4 (opens in a new tab)
V14.3.3 (opens in a new tab)
V7.3.3 (opens in a new tab)
Attack patterns
Fuzzing for application mapping (opens in a new tab)
Padding Oracle Crypto Attack (opens in a new tab)
Query System for Information (opens in a new tab)
Blind SQL Injection (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

ibm.com/support/pages/node/7266767 (opens in a new tab)

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Exploitation evidence

What to do

Affected software

CPE configurations (2)

Description

AI analysisMachine-generated, updated 25 Mar 2026, 21:01 UTC

WeaknessesCWE-209

Technical details

References

Community reviews

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