CVE-2026-112346 (CVSS 9.8)

Description

OpenHands Software Agent SDK before 1.52.0 contains an unauthenticated remote code execution vulnerability where the DockerWorkspace and Apptainer workspace launchers bind the sandbox agent server to all network interfaces (0.0.0.0) with an empty session_api_keys list, disabling authentication by default. Attackers who can reach the published container port can send unauthenticated HTTP and WebSocket requests to execute arbitrary shell commands as root in the sandbox, access the mounted workspace, and read plaintext secrets from the secrets store.

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CVSS v3.1 Score

9.8

CRITICAL

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

EPSS — Exploit Prediction

0.0101

Probability of exploitation

0.63%

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-1327 CWE-1327

References

Other References

https://github.com/OpenHands/software-agent-sdk/commit/7b66584ff8899144eb4ce679c2811861342af9de https://github.com/OpenHands/software-agent-sdk/pull/5209 https://github.com/OpenHands/software-agent-sdk/releases/tag/v1.52.0 https://www.vulncheck.com/advisories/openhands-software-agent-sdk-unauthenticated-sandbox-agent-server-rce

Frequently Asked Questions

What is CVE-2026-112346? +

OpenHands Software Agent SDK before 1.52.0 contains an unauthenticated remote code execution vulnerability where the DockerWorkspace and Apptainer workspace launchers bind the sandbox agent server to all network interfaces (0.0.0.0) with an empty session_api_keys list, disabling authentication by default. Attackers who can reach the published container port can send unauthenticated HTTP and WebSocket requests to execute arbitrary shell commands as root in the sandbox, access the mounted workspace, and read plaintext secrets from the secrets store. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-112346? +

CVE-2026-112346 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0101, placing it in the 1th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-112346? +

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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CVE-2026-112346