Authentication bypass via spoofed HTTP headers Orchestrator REST API

published 2026-08-04 3mo ago modified 2026-10-24 18d ago also EUVD-2026-52790

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits: 0; none known

Multiple vulnerabilities in the REST API interface of HPE Networking SD-WAN Orchestrator could allow an unauthenticated remote attacker to bypass web authentication mechanisms and access system functions. Successful exploitation could allow an attacker to view and modify potentially sensitive information on the target system.

Is CVE-2026-63455 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 3mo ago (2026-08-04)

Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Hewlett Packard Enterprise (HPE) EdgeConnect SD-WAN Orchestrator

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality

References

support.hpe.com /hpesc/public/docDisplay?docId=hpesbnw05100en_us&docLocale=en_US

Sources

CVE List CVE-2026-63455
NVD CVE-2026-63455

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.