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PatchSiren cyber security CVE debrief

CVE-2026-30310 Sixth CVE debrief

A critical vulnerability, CVE-2026-30310, was found in the design of automatic terminal command execution. The CVSS score for this vulnerability is 9.8, indicating a high severity level. The vulnerability allows for arbitrary command execution due to a weakness in the model's ability to classify commands as 'safe' or potentially destructive. This weakness can be exploited through a generic template used to wrap malicious commands, misleading the model into misclassifying them as 'safe' and bypassing the user approval requirement.

Vendor
Sixth
Product
Sixth
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-03-31
Original CVE updated
2026-07-25
Advisory published
2026-03-31
Advisory updated
2026-07-25

Who should care

Organizations and individuals using the affected product, particularly those relying on automatic terminal command execution, should be aware of this vulnerability. The high CVSS score of 9.8 indicates that this vulnerability is critical and requires immediate attention.

Technical summary

The vulnerability, CVE-2026-30310, is caused by a design flaw in the automatic terminal command execution feature. The feature offers two options: Execute safe commands and Execute all commands. However, the model used to classify commands as 'safe' or potentially destructive is susceptible to prompt injection attacks. An attacker can use a generic template to wrap malicious commands, causing the model to misclassify them as 'safe' and execute them without user approval. This leads to arbitrary command execution.

Defensive priority

High

Recommended defensive actions

  • Immediately review and update the command execution feature to prevent prompt injection attacks.
  • Implement additional security measures, such as user approval for all commands, regardless of the model's classification.
  • Monitor the affected product for any suspicious activity and apply patches or updates as soon as they are available.
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Evidence notes

The CVE record was published on 2026-03-31T14:16:11.390Z and was last modified on 2026-07-25T10:10:00.167Z. The NVD entry is currently Awaiting Analysis. The vulnerability has a CVSS score of 9.8 and a severity level of CRITICAL.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-30310 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-30310

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-30310 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-30310

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental 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.