CVE-2026-7551

Description

HKUDS OpenHarness contains a remote code execution vulnerability in the /bridge slash command that allows remote senders accepted by configuration to execute arbitrary operating system commands. Attackers can invoke the /bridge spawn command with attacker-controlled command text that is forwarded to the bridge session manager and executed through the shared shell subprocess helper, allowing them to spawn shell sessions as the OpenHarness process user and access local files, credentials, workspace state, and repository contents.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0035

Probability of exploitation

0.58%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-78 OS Command Injection

Affected Products

Vendor	Product	Versions
hkuds	openharness	< 2026-04-27

References

Advisories & Patches

https://github.com/HKUDS/OpenHarness/commit/438e37309778e19060dfe7b172eb142e543c4cd6 https://github.com/HKUDS/OpenHarness/pull/208

Exploits

https://github.com/HKUDS/OpenHarness/pull/208

Other References

https://www.vulncheck.com/advisories/hkuds-openharness-remote-command-execution-via-bridge-slash-command

Frequently Asked Questions

What is CVE-2026-7551? +

HKUDS OpenHarness contains a remote code execution vulnerability in the /bridge slash command that allows remote senders accepted by configuration to execute arbitrary operating system commands. Attackers can invoke the /bridge spawn command with attacker-controlled command text that is forwarded to the bridge session manager and executed through the shared shell subprocess helper, allowing them to spawn shell sessions as the OpenHarness process user and access local files, credentials, workspace state, and repository contents. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-7551? +

CVE-2026-7551 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0035, placing it in the 1th percentile for exploitation probability.

What products are affected by CVE-2026-7551? +

CVE-2026-7551 affects products from hkuds, specifically: openharness. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-7551? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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