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CVE-2026-23515 โ€” AI Deep Analysis Summary

CVSS 10.0 ยท Critical

Q1What is this vulnerability? (Essence + Consequences)

๐Ÿšจ **Essence**: OS Command Injection in Signal K Server. <br>๐Ÿ”ฅ **Consequences**: Attackers can execute arbitrary system commands via the `navigation.datetime` value.โ€ฆ
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Q2Root Cause? (CWE/Flaw)

๐Ÿ›ก๏ธ **Root Cause**: CWE-78 (OS Command Injection). <br>๐Ÿ› **Flaw**: Unsafe shell command construction when processing the `navigation.datetime` input.โ€ฆ
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Q3Who is affected? (Versions/Components)

๐Ÿ“ฆ **Affected**: Signal K Server. <br>๐Ÿ“‰ **Version**: Versions **prior to 1.5.0**. <br>๐Ÿšข **Context**: Marine central server software used in boat navigation systems.

Q4What can hackers do? (Privileges/Data)

๐Ÿ’€ **Capabilities**: Full OS command execution. <br>๐Ÿ”“ **Privileges**: Likely runs with the privileges of the Signal K Server process. <br>๐Ÿ“Š **Impact**: High Confidentiality, Integrity, and Availability impact (CVSS H).โ€ฆ
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Q5Is exploitation threshold high? (Auth/Config)

๐Ÿ”‘ **Threshold**: Medium. <br>๐Ÿ”’ **Auth Required**: Yes, **PR:L** (Low Privileges). An authenticated user is needed. <br>๐ŸŒ **Access**: Network accessible (**AV:N**). <br>โš™๏ธ **Complexity**: Low (**AC:L**).โ€ฆ
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Q6Is there a public Exp? (PoC/Wild Exploitation)

๐Ÿšซ **Public Exploit**: No. <br>๐Ÿ“„ **PoC**: None listed in the data. <br>๐ŸŒ **Wild Exploit**: Unlikely at this stage.โ€ฆ
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Q7How to self-check? (Features/Scanning)

๐Ÿ” **Self-Check**: <br>1. Check installed Signal K Server version. <br>2. Verify if version < 1.5.0. <br>3. Review logs for suspicious `navigation.datetime` inputs containing shell metacharacters (e.g., `;`, `|`, `&`).โ€ฆ
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Q8Is it fixed officially? (Patch/Mitigation)

โœ… **Fixed**: Yes. <br>๐Ÿ› ๏ธ **Patch**: Version **1.5.0** and later. <br>๐Ÿ”— **Source**: GitHub Advisory GHSA-p8gp-2w28-mhwg and commit 75b11eae2de528bf89ede3fb1f7ed057ddbb4d24.

Q9What if no patch? (Workaround)

๐Ÿšง **No Patch Workaround**: <br>1. **Restrict Access**: Ensure only trusted, authenticated users can access the server. <br>2.โ€ฆ
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Q10Is it urgent? (Priority Suggestion)

โšก **Urgency**: HIGH. <br>๐Ÿ“… **Priority**: Patch immediately. <br>๐Ÿ“‰ **Reason**: CVSS Score is High (likely 9.0+ based on vector).โ€ฆ
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Vulnerability detail Full AI analysis (login) SignalK CWE-78