MEDIUMpublic-safe

CVE-2026-55473

NVD: HomeBox is a home inventory and organization system. NVD: Prior to 0.26.0, the default-on BlockBogonNets and BlockCloudMetadata notifier SSRF protections in backend/internal/sys/validate/notifier_url.go do not inspect IPv4 destinations embedded in the NAT64 prefixes 64:ff9b::/96 and 64:ff9b:1::/48. NVD: An authenticated user can submit a generic:// notifier through POST /v1/notifiers or POST /v1/notifiers/test, and on a Homebox instance that egresses through NAT64/DNS64, the gateway can translate an accepted IPv6 destination to cloud metadata, localhost, or...

CVSS
6.0 Severity
MEDIUM EPSS
0.0000 (0) KEV
-

Source-published summary

Possible impact

Source describes authenticated boundary. Possible impact: This medium severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for authenticated boundary.

Affected context

Affected product or version requires source confirmation.

Remediation / advisory

Patch confirmed by source text; fixed version context: 0.26.0..

Why it matters

Source describes authenticated boundary. Possible impact: This medium severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for authenticated boundary.; CVSS 6.0 (MEDIUM); not listed in KEV; Patch confirmed by source text; fixed version context: 0.26.0; sources: NVD, OSV.

What to verify

Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.

Exposure hint

authenticated boundary

Impact tags

authenticated boundary review

Urgency reasons

vendor advisory presentrecent updateremediation reference present

Source-derived note

Summary derived from NVD / OSV description; unsafe procedural detail is not shown.

Redaction metadata

source summary used: True
fallback summary used: False
unsafe procedural detail present: false
raw source displayed: false
public summary redacted: true

Remediation handoff

Public-safe static handoff for human/Codex remediation planning. Scan, patch, external execution, and auto remediation are disabled.

Handoff JSON Handoff Markdown Safe Codex prompt

Safety note

This radar shows source-published defensive context only. Exploit procedures, exploit strings, scanner commands, and auto-remediation are not provided.