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01 Record

CVE-2026-106492

Backstage: Improper preservation of access restrictions during service credential delegation

HighPUBLISHEDCNA: GitHub_M
CNA base score7.6 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
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02 Description

Backstage: Improper preservation of access restrictions during service credential delegation

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Not recorded
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-06 20:48Z1 HR AGO
Last updated
2026-10-06 20:48Z1 HR AGO
Reserved
2026-10-06
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
High (CVSS 7.6)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
Weaknesses
  • CWE-269Improper Privilege ManagementClass
  • CWE-863Incorrect AuthorizationClass
Data version
5.2
Document digest
57a00193cbda7d62a21bae355721a7b0ff547a5c7caee73f939085c6fc5f8ddb

05 Affected products

VendorProductVersionsPlatforms
backstagebackstage< 1.49.6, >= 1.50.0-next.0, < 1.54.6—
@backstagebackend-defaults< 0.16.1, >= 0.17.0, < 0.17.8—

06 References