CVE-2026-3518: OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticat

Q: How do I fix CVE-2026-3518?

connection manager for objectscale: upgrade to 7.2.63.1; ecs connection manager: upgrade to 7.2.63.1; loadmaster: upgrade to 7.2.54.17, 7.2.63.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-3518 being exploited?

CVE-2026-3518 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-2026-3518 affect?

CVE-2026-3518 affects connection manager for objectscale, ecs connection manager, loadmaster. Severity is high (CVSS 8.4). OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticated attacker with “All” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in th

Q: How urgent is CVE-2026-3518?

Priority 54/100. High severity; EPSS top 3%: very likely to be exploited

This week

HIGH 8.4UPGRADEUPGRADEUPGRADE

CVE-2026-3518 is a high-severity flaw (CVSS 8.4) affecting connection manager for objectscale, ecs connection manager, loadmaster. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticated attacker with “All” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in the 'killsession' command

Why this priority

High severity
EPSS top 3%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score	8.4 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	16.9% (top 3%)
CISA exploited list	No
Weakness	CWE-77
Published	2026-04-20
Last modified	2026-10-26

Publisher (CNA): Progress Software Corporation · Vendor: progress

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-20 14:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

progress connection manager for objectscale UPGRADE

Affected: < 7.2.63.1

Fixed in: 7.2.63.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy connection-manager-for-objectscale || rpm -q connection-manager-for-objectscale || connection-manager-for-objectscale --version

2. UPGRADE to 7.2.63.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade connection-manager-for-objectscale

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade connection-manager-for-objectscale

Note

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

progress ecs connection manager UPGRADE

Affected: < 7.2.63.1

Fixed in: 7.2.63.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ecs-connection-manager || rpm -q ecs-connection-manager || ecs-connection-manager --version

2. UPGRADE to 7.2.63.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ecs-connection-manager

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ecs-connection-manager

Note

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

progress loadmaster UPGRADE

Affected: < 7.2.54.17 · < 7.2.63.1

Fixed in: 7.2.54.17, 7.2.63.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 7.2.54.17 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade loadmaster

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-2026-3518?

connection manager for objectscale: upgrade to 7.2.63.1; ecs connection manager: upgrade to 7.2.63.1; loadmaster: upgrade to 7.2.54.17, 7.2.63.1. Exact commands for each OS are on this page.

Is CVE-2026-3518 being exploited?

CVE-2026-3518 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-2026-3518 affect?

CVE-2026-3518 affects connection manager for objectscale, ecs connection manager, loadmaster. Severity is high (CVSS 8.4). OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticated attacker with “All” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in th

How urgent is CVE-2026-3518?

Priority 54/100. High severity; EPSS top 3%: very likely to be exploited

Related CVEs

CVE-2026-4048 HIGH 8.4 UPGRADE UPGRADE OS Command Injection Remote Code Execution Vulnerability in UI in Progress ADC Products allows an authenticate
CVE-2026-3519 HIGH 8.4 UPGRADE UPGRADE OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticat
CVE-2026-3517 HIGH 8.4 UPGRADE UPGRADE OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticat

References

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