Information Disclosure in HPE Networking Instant On (CVE-2026-76735)
Summary
Vulnerability in HPE Networking Instant On (CVE-2026-76735). Confidential information can be exposed externally.
Original description
The description as published by the source.
A sensitive information disclosure vulnerability exists in the underlying operating system of HPE Networking Instant On. Successful exploitation could allow an authenticated local attacker with high privileges to retrieve information which could be used to potentially gain further access to network services supported by HPE Networking Instant On, only if certain preconditions outside of the attacker's control are met.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-76735 has been found in HPE Networking Instant On.
Confidential information can be exposed externally. CVSS score: 4.1/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "HPE Networking Instant On CVE-2026-76735" on the vendor's site.
CVE-2026-76735 (HPE Networking Instant On) — CWE-200 / CVSS v3 4.1
Attack vector: local / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
Information disclosure (CWE-200) exists in HPE Networking Instant On.
Check the vendor advisory for the affected versions of HPE Networking Instant On.
Severity: Medium (CVSS 4.1/10). Confidential information can be exposed externally.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで HPE Networking Instant On を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- web support.hpe.com
- web nvd.nist.gov
- web github.com