Vulnerability report

Active exploitation observed Confirmed confidence In CISA KEV

CVE-2026-46817

Oracle Payments

Oracle Payments · 12.2.3 to <= 12.2.15

Watch CVE-2026-46817 Browse KEV feed
Severity
CVSS 9.8 · Critical
Confidence
Confirmed
Exploit status
Observed in sensors
EPSS
0.8%
First observed
01 Jul 2026
Last observed
22 Aug 2026

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2026-46817 is an unauthenticated vulnerability affecting Oracle Payments. Vulnerability in the Oracle Payments product of Oracle E-Business Suite (component: File Transmission). Supported versions that are...

Is it exploited?

Yes. Previdian sensors observed exploitation attempts with confirmed confidence. Listed in CISA KEV. Also confirmed by third-party sources.

Who is affected?

Oracle Payments 12.2.3 to <= 12.2.15.

What should we do?

Patch immediately, validate internet-facing exposure, and monitor for matching requests.

Overview

Vulnerability in the Oracle Payments product of Oracle E-Business Suite (component: File Transmission)

Vulnerability in the Oracle Payments product of Oracle E-Business Suite (component: File Transmission). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Payments.

Successful attacks of this vulnerability can result in takeover of Oracle Payments. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Oracle Corporation Affected
Oracle Payments
Through 12.2.15
View vendor advisory (opens in new tab)
Published
28 May 2026
Exploitation Reported
29 Jun 2026
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

cisa

CVE References

  • CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2026-46817
  • Oracle Advisory oracle.com · Vendor Advisory https://www.oracle.com/security-alerts/cspumay2026.html

Exploitation evidence

Why Previdian marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

Defused Cyber

Recorded 29 Jun 2026

A trusted third party reported exploitation.

Active exploitation observed

Previdian sensor

First observed 01 Jul 2026

Previdian first observed exploitation attempts targeting this vulnerability in our honeypot sensors.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

Learn about Pro API access
Source Added
Defused Cyber First 2026-06-29 15:45 UTC
The Hacker News 2026-06-30 06:20 UTC
Previdian Sensors 2026-07-01 08:05 UTC
All CISA Advisories 2026-07-15 12:00 UTC
CISA 2026-07-15 16:42 UTC
CVE 2026-07-15 18:01 UTC

Operational indicators for this CVE are listed under Detection.

Sensor telemetry

First-party evidence of exploitation activity

Previdian sensors recorded exploitation attempts targeting this vulnerability. The cards and chart show volume, unique attackers, and daily activity.

202

Attempts observed

5

Unique attacker IPs

3

Attacker countries

JP · NL · PL

1

Sensors observed

CVE-2026-46817 exploitation attempts over the last 90 days

Daily events observed by Previdian sensors

Updated 09 Oct 2026

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12 Jul 30 Jul 17 Aug 4 Sep 9 Oct

First observed 01 Jul 2026 · Last observed 22 Aug 2026

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Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts
0
0
1

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

Previdian virtual patch guidance is available for this CVE.

AWS WAF Cloudflare ModSecurity

Attacker IP Indicators

Attacker IP indicators observed · available in Pro and Enterprise.

Sensor-derived attacker IP indicators are available to Pro and Enterprise accounts under Detection and through the Pro API.

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Virtual Patch Detail

Compensating WAF rules for this CVE.

Available

Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to Previdian Enterprise users.

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Risk and context

Severity, weaknesses, and research context

CVSS v3.1

9.8 Critical

Potential damage if exploited. Separate from whether attackers are using it.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.8%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Improper Privilege Management CWE-269 Improper Authentication CWE-287 Missing Authentication for Critical Function CWE-306

Recent mention · All CISA Advisories

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2023-4346 KNX Association KNX Protocol Connection Authorization Option 1 Overly Restrictive Account Lockout Mechanism...

Read full advisory

All Mentions

Recent mention · All CISA Advisories

CISA Adds Two Known Exploited Vulnerabilities to Catalog

All CISA Advisories · 15 Jul 2026

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2023-4346 KNX Association KNX Protocol Connection Authorization Option 1 Overly Restrictive Account Lockout Mechanism Vulnerability CVE-2026-46817 Oracle E-Business Suite Improper Privilege Management Vulnerability   These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise. Binding Operational Directive (BOD) 26-04: Prioritizing Security Updates Based on Risk establishes...

Recent mention · The Hacker News

Oracle E-Business Suite Flaw CVE-2026-46817 Actively Exploited in the Wild

The Hacker News · 30 Jun 2026

A critical security flaw impacting Oracle E-Business Suite has come under active exploitation in the wild, according to Defused Cyber. The vulnerability, tracked as CVE-2026-46817 (CVSS score: 9.8), refers to an improper privilege management and authentication flaw in Oracle Payments that could be abused to take over susceptible instances. "Easily exploitable vulnerability allows

Recent mention · BleepingComputer

Hackers now exploit critical Oracle E-Business flaw in attacks

BleepingComputer · 29 Jun 2026

Attackers have begun exploiting a critical vulnerability (CVE-2026-46817) in the Oracle E-Business Suite (EBS) financial application, according to threat intelligence company Defused. [...]

Timeline

From disclosure to observed exploitation

  1. 18:01 UTC

    KEV confirmed by CVE

    Exploitation attested by an external source

  2. 16:42 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  3. 12:00 UTC

    KEV confirmed by All CISA Advisories

    Exploitation attested by an external source

  4. 09:28 UTC

    Virtual patch available

    Compensating WAF rule available to block exploitation

  5. 01:33 UTC

    Indicators of compromise added (9)

    Indicators of compromise recorded

  6. 01:33 UTC

    Observed by Previdian sensors

    Evidence-backed exploitation signal

  7. 06:20 UTC

    KEV confirmed by The Hacker News

    Exploitation attested by an external source

  8. 15:45 UTC

    Added to Previdian KEV Feed

    High-confidence, third-party attested exploitation

  9. 20:17 UTC

    CVE published

    Vulnerability disclosed publicly

  10. 15:55 UTC

    CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2026-46817

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2026-46817",
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "cvss_estimated": false,
  "epss_score": 0.00814,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": true
  },
  "sensor_telemetry": { "attempts": 202, "sensors": 1 }
}