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Vulnerability record · CVE-2026-77393 · published 4 September 2026

CVE-2026-77393: Incorrect default permissions vulnerability

In Ignition 8.1.53 and earlier, the Gateway "Create Project Role(s)" setting shipped blank, which permitted any authenticated user to create projects (if they can execute gateway scripts). Ignition 8.1.54 restricts project creation to Designer sessions and no longer relies on this setting. The 8.3 series is not affected.

8.7 CVSS 4.0 High EPSS 0.51% · top 59.2% CWE-276 · Incorrect default permissions Awaiting Analysis
8.7CVSS 4.0 base score
0.51%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
8 Sep 2026Last modified by NVD

Description

In Ignition 8.1.53 and earlier, the Gateway "Create Project Role(s)" setting shipped blank, which permitted any authenticated user to create projects (if they can execute gateway scripts). Ignition 8.1.54 restricts project creation to Designer sessions and no longer relies on this setting. The 8.3 series is not affected.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-246-06.json
https://security.inductiveautomation.com/?tcuUid=34477620-731d-4b70-b22b-9450f9a659a3
https://www.cisa.gov/news-events/ics-advisories/icsa-26-246-06

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Source: NIST National Vulnerability Database (record CVE-2026-77393), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.