CVE-2026-15704
AuthZ bypass via trailing-slash mismatch in Eclipse BaSyx Go Components
Is CVE-2026-15704 being exploited?
Not confirmed. CVE-2026-15704 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.37% probability of exploitation in the next 30 days.
How severe is CVE-2026-15704?
CVE-2026-15704 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-15704?
Yes. A fix has been recorded for CVE-2026-15704. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-15704 affect?
CVE-2026-15704 affects Eclipse BaSyx Go Components <=1.0.0, AAS Repository, Submodel Repository, AAS Registry, and 4 further products or versions. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-15704?
Upgrade to Eclipse BaSyx Go Components v1.0.1 and audit ABAC route handling/logs
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authorization bypass: attackers can append a trailing slash to access protected AAS endpoints and perform unauthorized read/create/update/delete/upload.
Immediate action required
- affected< 1.0.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.