CVE-2026-58123: Hermes WebUI < 0.51.788 Unauthenticated RCE via Terminal API
nesquena · hermes-webui
Fixed in 0.51.788 · Affected: nesquena hermes-webui before 0.51.788 · Exploitation: check available, not yet exploited
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 91% of scored CVEs
DescriptionCVE.org
Hermes WebUI before 0.51.788 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute arbitrary shell commands by accessing the embedded terminal API endpoints without credentials. Attackers can create a session, attach a PTY shell, and write arbitrary commands through the terminal input endpoint to achieve full command execution as the server process user via four sequential unauthenticated HTTP requests.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- nesquena · hermes-webuibefore 0.51.788
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Check available, not yet exploited. A public nuclei template can confirm it on a system you are authorised to test.
- CISA KEV
- Not listed
- Public check
- Hermes WebUI < 0.51.788 - Remote Code Execution · nuclei template in projectdiscovery/nuclei-templates
- Vendor
- nesquena
- Published
- July 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-58123 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.