CVE-2026-56537: HCL Connections is vulnerable to information disclosure which could allow a user to obtain sensitive informati

Q: How do I fix CVE-2026-56537?

connections: upgrade to 8.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-56537 being exploited?

CVE-2026-56537 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-56537 affect?

CVE-2026-56537 affects connections. Severity is low (CVSS 3.5). HCL Connections is vulnerable to information disclosure which could allow a user to obtain sensitive information they are not entitled to, caused by improper handling of request data.they are not entitled to, caused by improper handling of

Q: How urgent is CVE-2026-56537?

Priority 17/100. No elevated risk signals yet.

Routine

LOW 3.5UPGRADE

CVE-2026-56537 is a low-severity flaw (CVSS 3.5) affecting connections. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

HCL Connections is vulnerable to information disclosure which could allow a user to obtain sensitive information they are not entitled to, caused by improper handling of request data.they are not entitled to, caused by improper handling of request data.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-209
Published	2026-07-27
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

2026-07-27 13:18 UTCPublished CVE record published
2026-10-24 13:10 UTCUpdated Record last modified

hcltech connections UPGRADE

Affected: < 8.0 · 8.0 · 8.0 cumulative_release1 · 8.0 cumulative_release10 · 8.0 cumulative_release2 · 8.0 cumulative_release3 · 8.0 cumulative_release4 · 8.0 cumulative_release5

Fixed in: 8.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 8.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade connections

Note

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

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-2026-56537?

connections: upgrade to 8.0. Exact commands for each OS are on this page.

Is CVE-2026-56537 being exploited?

CVE-2026-56537 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-2026-56537 affect?

CVE-2026-56537 affects connections. Severity is low (CVSS 3.5). HCL Connections is vulnerable to information disclosure which could allow a user to obtain sensitive information they are not entitled to, caused by improper handling of request data.they are not entitled to, caused by improper handling of

How urgent is CVE-2026-56537?

Priority 17/100. No elevated risk signals yet.

Related CVEs

CVE-2026-56538 LOW 3.5 UPGRADE An endpoint in HCL Connections is vulnerable to information disclosure

References

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