Security readout for executives and security teams
Plain-English summary
CVE-2026-23598 affects HPE Aruba Networking Private 5G Core version 1.24.3.0. An unauthenticated attacker near the affected network could trigger API error handling that exposes sensitive system details. This may help attackers plan follow-on attacks, but the provided sources do not show active exploitation.
Executive priority
Treat as a medium-priority exposure issue. It may not directly grant access, but it can reveal operational details useful for intrusion planning. Prioritize environments where Private 5G Core APIs are reachable beyond tightly controlled networks.
Technical view
The issue is CWE-209: information exposure through API error handling. HPE describes possible exposure of user accounts, roles, system configuration, internal services, and workflows. The CVSS vector is 6.5, AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, which conflicts with the disclosure-focused description by scoring high availability impact.
Likely exposure
Exposure appears limited to organizations running HPE Aruba Networking Private 5G Core version 1.24.3.0, especially where the server API is reachable from adjacent or insufficiently segmented networks.
Exploitation context
The vulnerability is unauthenticated and low-complexity per CVSS. It is not listed as CISA KEV in the provided data, and no cited source states active exploitation. The disclosed information could increase risk when combined with other vulnerabilities.
Researcher notes
Sources identify affected version 1.24.3.0 and CWE-209. Patch specifics are not present in the provided bundle; use the HPE advisory for authoritative remediation. Note the discrepancy between the information-disclosure description and CVSS impact fields showing high availability impact.
Mitigation direction
- Identify whether HPE Aruba Networking Private 5G Core 1.24.3.0 is deployed.
- Review the HPE advisory for official fixes, upgrades, or configuration guidance.
- Restrict API reachability to trusted management networks only.
- Monitor API error responses and logs for unusual unauthenticated access.
Validation and detection
- Confirm product and version inventory for HPE Aruba Networking Private 5G Core.
- Check whether server APIs are reachable from adjacent or untrusted networks.
- Review API logs for unauthenticated requests causing error responses.
- Compare current configuration against HPE advisory recommendations.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-209: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-23598 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Generation of Error Message Containing Sensitive Information
Generation of Error Message Containing Sensitive Information represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.