Oracle Access Manager flaw exposes data to unauthenticated attackers
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.
Summary
Oracle Access Manager versions 12.2.1.4.0 and 14.1.2.1.0 have a flaw in the Authentication Engine component that exposes sensitive information (CWE-200). An unauthenticated remote attacker with network access over HTTP can create, delete or modify critical data and gain access to data the product can reach. Because the flaw has a scope change, attacks may also impact additional products.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager. While the vulnerability is in Oracle Access Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Access Manager accessible data as well as unauthorized access to critical data or complete access to all Oracle Access Manager accessible data. CVSS 3.1 Base Score 10.0 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Oracle | Oracle Access Manager | 12.2.1.4.0; 14.1.2.1.0 | — | No fix listed | CNA |
- Oracle Access Manager VendorOracle Affected 12.2.1.4.0; 14.1.2.1.0 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for Oracle Access Manager.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Oracle Access Manager — oracle.com/security-alerts/cpuoct2026.html
6 records Highest priority Priority MEDIUM 4 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2026-77128 Oracle Access Manager flaw allows unauthenticated SAML takeoverPriority MEDIUM 49
- TI-2026-77116 Improper access control in Oracle Access Manager authenticationPriority MEDIUM 43
- TI-2026-77118 Improper authentication in Oracle Access Manager lets attackers change dataPriority MEDIUM 40
Timeline
- 2026-10-21 Threatist record created from CVE-2026-87337
- 2026-10-21 Alias added: GHSA-m5hf-f8cr-8px8
- 2026-10-28 Weakness changed · CISA ADP
- 2026-10-28 CISA SSVC decision points changed
References
Advisory 1
More Oracle Access Manager vulnerabilities
- TI-2021-14313 Missing authentication in Oracle Access Manager KEVCVSS 3.1CRITICAL 9.8
- TI-2020-02258 Deserialization of untrusted data in Oracle WebCenter Portal KEVCVSS 3.1CRITICAL 9.8
- TI-2018-02188 Vulnerability in the Oracle Access Manager component of Oracle Fusion Middleware… CVSS 3.0CRITICAL 9.0
- TI-2026-77128 Oracle Access Manager flaw allows unauthenticated SAML takeover CVSS 3.1CRITICAL 9.8
- TI-2026-51962 Improper authentication in Oracle Access Manager CVSS 3.1CRITICAL 9.8
- TI-2026-51959 Improper authentication in Oracle Access Manager CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-87337 · CVE Program
- CVE-2026-87337 · NVD
- FIRST EPSS
- GHSA-m5hf-f8cr-8px8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences