Affects Oracle E-Business Suite (widely used enterprise ERP); unauthenticated network attack can expose/alter critical business data across organizations.
CVE-2026-61340
Unauthenticated HTTP flaw in Oracle MES (EBS) enabling data compromise.
Is CVE-2026-61340 being exploited?
Not confirmed. CVE-2026-61340 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 0.30% probability of exploitation in the next 30 days.
How severe is CVE-2026-61340?
CVE-2026-61340 is rated High with a CVSS score of 8.2. 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-2026-61340?
Yes. A fix has been recorded for CVE-2026-61340. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-61340 affect?
CVE-2026-61340 affects Oracle E-Business Suite - Oracle MES for Process Manufacturing 12.2.3-12.2.15. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-61340?
Apply vendor patch when released; block/limit HTTP access, enable WAF, harden access and monitor logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote HTTP attack (requires user interaction) can read and modify MES data (unauthorized access, insert/update/delete); may impact other products.
Immediate action required
- affected>= 12.2.3 and <= 12.2.15
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.