CVE-2026-9836: IBM InfoSphere Information Server 11.7.0.0 through 11.7.1.6 is affected by an information disclosure vulnerabi

Routine

LOW 3.5UPGRADE

CVE-2026-9836 is a low-severity flaw (CVSS 3.5) affecting infosphere information server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IBM InfoSphere Information Server 11.7.0.0 through 11.7.1.6 is affected by an information disclosure vulnerability.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-200
Published	2026-06-30
Last modified	2026-10-25

Publisher (CNA): IBM Corporation · Vendor: ibm

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-30 20:17 UTCPublished CVE record published
2026-10-25 21:10 UTCUpdated Record last modified

ibm infosphere information server UPGRADE

Affected: >= 11.7.0.0 and <= 11.7.1.6

Fixed in: newer than 11.7.1.6

Safe to downgrade to: a release before 11.7.0.0

1. Check installed version

apt-cache policy infosphere-information-server || rpm -q infosphere-information-server || infosphere-information-server --version

2. UPGRADE to newer than 11.7.1.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade infosphere-information-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade infosphere-information-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 11.7.0.0 (Debian / Ubuntu)

apt-cache madison infosphere-information-server sudo apt install infosphere-information-server=<VERSION_BEFORE_11.7.0.0> sudo apt-mark hold infosphere-information-server

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list infosphere-information-server sudo dnf downgrade infosphere-information-server-<VERSION_BEFORE_11.7.0.0> sudo dnf versionlock add infosphere-information-server

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-9836?

infosphere information server: upgrade to newer than 11.7.1.6. Exact commands for each OS are on this page.

Is CVE-2026-9836 being exploited?

CVE-2026-9836 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-9836 affect?

CVE-2026-9836 affects infosphere information server. Severity is low (CVSS 3.5). IBM InfoSphere Information Server 11.7.0.0 through 11.7.1.6 is affected by an information disclosure vulnerability.

How urgent is CVE-2026-9836?

Priority 22/100. No elevated risk signals yet.

References

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