CVE-2025-36102: IBM Controller 11.1.0 through 11.1.1 and IBM Cognos Controller 11.0.0 through 11.0.1 FP6 could allow a privile

Routine

LOW 2.7UPGRADEUPGRADE

CVE-2025-36102 is a low-severity flaw (CVSS 2.7) affecting cognos controller, controller. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IBM Controller 11.1.0 through 11.1.1 and IBM Cognos Controller 11.0.0 through 11.0.1 FP6 could allow a privileged user to bypass validation, passing user input into the application as trusted data, due to client-side enforcement of server-side security.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	2.7 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.2% (top 87%)
CISA exploited list	No
Weakness	CWE-602
Published	2025-12-08
Last modified	2026-10-07

Publisher (CNA): IBM Corporation · Vendor: ibm

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-08 22:15 UTCPublished CVE record published
2026-10-07 20:10 UTCUpdated Record last modified

ibm cognos controller UPGRADE

Affected: >= 11.0.0 and < 11.0.1.7

Fixed in: 11.0.1.7

Safe to downgrade to: a release before 11.0.0

1. Check installed version

apt-cache policy cognos-controller || rpm -q cognos-controller || cognos-controller --version

2. UPGRADE to 11.0.1.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cognos-controller

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cognos-controller

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 11.0.0 (Debian / Ubuntu)

apt-cache madison cognos-controller sudo apt install cognos-controller=<VERSION_BEFORE_11.0.0> sudo apt-mark hold cognos-controller

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

dnf --showduplicates list cognos-controller sudo dnf downgrade cognos-controller-<VERSION_BEFORE_11.0.0> sudo dnf versionlock add cognos-controller

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.

ibm controller UPGRADE

Affected: >= 11.1.0 and < 11.1.2

Fixed in: 11.1.2

Safe to downgrade to: a release before 11.1.0

1. Check installed version

apt-cache policy controller || rpm -q controller || controller --version

2. UPGRADE to 11.1.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade controller

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade controller

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 11.1.0 (Debian / Ubuntu)

apt-cache madison controller sudo apt install controller=<VERSION_BEFORE_11.1.0> sudo apt-mark hold controller

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

dnf --showduplicates list controller sudo dnf downgrade controller-<VERSION_BEFORE_11.1.0> sudo dnf versionlock add controller

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-2025-36102?

cognos controller: upgrade to 11.0.1.7; controller: upgrade to 11.1.2. Exact commands for each OS are on this page.

Is CVE-2025-36102 being exploited?

CVE-2025-36102 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-2025-36102 affect?

CVE-2025-36102 affects cognos controller, controller. Severity is low (CVSS 2.7). IBM Controller 11.1.0 through 11.1.1 and IBM Cognos Controller 11.0.0 through 11.0.1 FP6 could allow a privileged user to bypass validation, passing user input into the application as trusted data, due to client-side enforcement of server-s

How urgent is CVE-2025-36102?

Priority 13/100. No elevated risk signals yet.

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References

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