CVE-2026-7551 HKUDS OpenHarness Remote Command Execution via /bridge Slash Command
Remote attackers can execute arbitrary OS commands via the /bridge slash command, gaining shell access and reading local files.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7551?
CVE-2026-7551 is a high-severity command injection vulnerability in HKUDS OpenHarness, published on 30 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-78
Which versions are affected by CVE-2026-7551?
It affects 1 product.
Products include Hkuds Openharness.
How do I fix CVE-2026-7551?
No fix has been published for CVE-2026-7551 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-7551 being exploited?
There is no known exploitation of CVE-2026-7551 in the wild and no public exploit code.
Other vulnerabilities in HKUDS OpenHarness
- CVE-2026-6819 HKUDS OpenHarness Plugin Management Command Exposure
- CVE-2026-40515 OpenHarness Permission Bypass via grep and glob root argument
- CVE-2026-40502 OpenHarness Remote Administrative Command Injection via Gateway Handler
- CVE-2026-6823 HKUDS OpenHarness Insecure Default Remote Channel Allowlist
- CVE-2026-40516 OpenHarness SSRF via web_fetch and web_search
Sources
Also known as GHSA-94wh-5rqh-62p2.