CVE-2026-53451 sgoudelis CVE debrief

Who should care

Administrators and users of Ground Station should assess their exposure and take steps to mitigate the vulnerability. This includes updating to version 0.4.13 or later, restricting access to the save-waterfall-snapshot Socket.IO command, and monitoring logs for suspicious activity. Additionally, operators, platform administrators, and security teams should review the vulnerability and its potential impact on their systems and take necessary actions to rem

Why it matters

CVE-2026-53451 is a critical vulnerability in Ground Station that allows unauthenticated attackers to write arbitrary files and potentially execute remote code. Administrators and users should assess their exposure and take steps to mitigate the vulnerability.

• Remote code execution with service privileges
• Arbitrary file write outside intended directory
• Potential for persistent crash loop

Technical summary

The vulnerability is caused by the unauthenticated save-waterfall-snapshot Socket.IO command, which allows an attacker to write arbitrary files outside the intended directory. This can be used to write a logging YAML file containing a logging.config.dictConfig callable factory, which can be executed with service privileges during restart. The attacker can use this to potentially execute remote code and cause a persistent crash loop. The vulnerability affects Ground Station versions prior to 0.4.13 and can be mitigated by updating to the latest version.

Defensive priority

High

Recommended defensive actions

• Update Ground Station to version 0.4.13 or later
• Restrict access to the save-waterfall-snapshot Socket.IO command
• Monitor logs for suspicious activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The vulnerability is caused by the unauthenticated save-waterfall-snapshot Socket.IO command, which allows an attacker to write arbitrary files outside the intended directory. This can be used to write a logging YAML file containing a logging.config.dictConfig callable factory, which can be executed with service privileges during restart.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.