CVE-2026-15704Network attack vector

Unauthenticated API access via trailing-slash normalization

Published Jul 24, 2026 · Updated Jul 24, 2026

Authorization bypass in Eclipse BaSyx Go Components 1.0.0 and earlier allows remote attackers to access protected API operations. The ABAC middleware evaluates the original slash-suffixed path and passes unmatched routes onward, after which Chi strips the slash and invokes the protected handler without the intended policy decision or query filters. Only ABAC-enabled network deployments are exposed; unauthenticated requests can read, create, update, delete, or upload data according to the reachable route.

CVSS severity9.8
Critical
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in Eclipse BaSyx Go Components 1.0.0 and earlier allows remote attackers to access protected API operations. The ABAC middleware evaluates the original slash-suffixed path and passes unmatched routes onward, after which Chi strips the slash and invokes the protected handler without the intended policy decision or query filters. Only ABAC-enabled network deployments are exposed; unauthenticated requests can read, create, update, delete, or upload data according to the reachable route.

The record

CVE
CVE-2026-15704
Published
Jul 24, 2026
Updated
Jul 24, 2026
Vendor
The Eclipse Foundation
Product
Eclipse BaSyx Go Components
Classifications
CWE-284, CWE-863, CWE-180, CAPEC-1, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 24, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <1.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

The Eclipse Foundation · Eclipse BaSyx Go Componentsversion=0 <1.0.1

Published CVSS scores

9.8Eclipse FoundationCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
CWE-863Incorrect Authorization
CWE-180Incorrect Behavior Order Validate Before Canonicalize
CAPEC-1Accessing Functionality Not Properly Constrained by ACLs
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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