CVE-2026-106459 Backstage @backstage/plugin-scaffolder-backend-module-sentry - Information Disclosure

Backstage @backstage/plugin-scaffolder-backend-module-sentry 0.3.0 to 0.3.8 contains an information disclosure vulnerability caused by improper input validation in sentry scaffolder actions, letting authenticated internal users disclose Sentry integration credentials, exploit requires authenticated internal user privileges.

CVSS base score 8.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.21% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Information Disclosure
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Published
6 October 2026
Updated
15 October 2026
Weakness
CWE-200

Vendor fix

Upgrade to version 0.3.8 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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