# CVE-2026-76743: HPE AOS-S management interface authentication bypass

Source: https://junglewise.ai/threats/cve-2026-76743-a-vulnerability-have-been-identified-in-the-management-interface  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-06. Updated: 2026-10-06  
License: CC BY 4.0 with a link back

CVE-2026-76743 · Severity: critical · CVSS 9.8 · Published 2026-10-06

HPE AOS-S is a switch operating system used in enterprise network infrastructure. A vulnerability in its management interface allows remote attackers to bypass authentication and gain unauthorized access to the system without providing valid credentials, potentially giving attackers control of critical network equipment.

Technologies: [Hpe AOS-S](https://junglewise.ai/threats/technologies/hpe-aos-s). Vendors: [Hpe](https://junglewise.ai/threats/vendors/hpe).

## Quick answers

**Is CVE-2026-76743 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-76743 being exploited in the wild.

**How severe is CVE-2026-76743?** Critical severity, with a CVSS score of 9.8, published 6 October 2026.

**Which products and versions are affected?** HPE AOS-S.

**Is there a fix for CVE-2026-76743?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-76743 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-76743?** Check whether you run Hpe AOS-S. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An authentication bypass vulnerability exists in the AOS-S management interface that allows unauthenticated remote attackers to circumvent authentication controls. Successful exploitation grants unauthorized access to the affected system. The attack is network-based and does not require the attacker to authenticate or perform prior actions, though certain unspecified preconditions outside the attacker's control must be met.

## Affected products

- HPE AOS-S

## Timeline

- 2026-10-06: disclosed

## References

- [https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05156en_us&docLocale=en_US](https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05156en_us&docLocale=en_US)

## Related threats

- [HPE AOS-S information disclosure](https://junglewise.ai/threats/cve-2026-76749-a-sensitive-information-disclosure-vulnerability-exists-in-aos-s)
- [HPE AOS-S API privilege escalation](https://junglewise.ai/threats/cve-2026-76748-a-privilege-escalation-vulnerability-exists-in-the-api-of-aos-s)
- [HPE AOS-S buffer overflow](https://junglewise.ai/threats/cve-2026-76746-an-unauthenticated-buffer-overflow-vulnerability-exists-in-aos-s)
- [HPE AOS-S buffer overflow in remote interface](https://junglewise.ai/threats/cve-2026-76741-buffer-overflow-vulnerabilities-exist-in-the-affected-interface)