CVE-2026-56587: HCL IEM was affected with Strict transport security not enforced

Routine

LOW 3.7REMOTEDOWNGRADE

CVE-2026-56587 is a low-severity flaw (CVSS 3.7) affecting intelliops event management. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

HCL IEM was affected with Strict transport security not enforced. It may enable attackers to perform SSL stripping or man-in-the-middle attacks and compromise secure communications.

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	3.7 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-523
Published	2026-07-21
Last modified	2026-10-24

Publisher (CNA): HCL Software · Vendor: hcltech

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-21 15:16 UTCPublished CVE record published
2026-10-24 20:10 UTCUpdated Record last modified

hcltech intelliops event management DOWNGRADE

Affected: 1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

apt-cache policy intelliops-event-management || rpm -q intelliops-event-management || intelliops-event-management --version

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison intelliops-event-management sudo apt install intelliops-event-management=<VERSION_BEFORE_1.1> sudo apt-mark hold intelliops-event-management

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list intelliops-event-management sudo dnf downgrade intelliops-event-management-<VERSION_BEFORE_1.1> sudo dnf versionlock add intelliops-event-management

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-2026-56587?

intelliops event management: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-56587 being exploited?

CVE-2026-56587 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-2026-56587 affect?

CVE-2026-56587 affects intelliops event management. Severity is low (CVSS 3.7). HCL IEM was affected with Strict transport security not enforced. It may enable attackers to perform SSL stripping or man-in-the-middle attacks and compromise secure communications.

How urgent is CVE-2026-56587?

Priority 22/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-56584 LOW 3.7 DOWNGRADE HCL IEM was affected with the Information disclosure nginx server
CVE-2026-56585 LOW 3.1 DOWNGRADE HCL IEM was affected with the Anti Clickjacking XFrame Options Header Missing
CVE-2026-56586 LOW 3.1 DOWNGRADE HCL IEM was affected with X-Content-Type-Options Header Missing

References

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