How severe is CVE-2026-62638?

CVE-2026-62638 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2026-62638 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-62638?

CVE-2026-62638 affects Oracle Reports Developer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-62638?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-62638 published?

CVE-2026-62638 was published on 2026-08-18 and last updated on 2026-08-26.

CVE-2026-62638

CVE-2026-62638 is a critical-severity vulnerability in Oracle Reports Developer with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Oracle Reports Developer
Published: 2026-08-18
Last modified: 2026-08-26

Description

Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and Authentication). The supported version that is affected is 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Reports Developer. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Reports Developer accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Reports Developer. CVSS 3.1 Base Score 9.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H).

Frequently asked questions

What is CVE-2026-62638?: Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and Authentication). The supported version that is affected is 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Reports Developer. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Reports Developer accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Reports Developer. CVSS 3.1 Base Score 9.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H).
How severe is CVE-2026-62638?: CVE-2026-62638 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2026-62638 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-62638?: CVE-2026-62638 affects Oracle Reports Developer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-62638?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-62638 published?: CVE-2026-62638 was published on 2026-08-18 and last updated on 2026-08-26.

References

https://www.oracle.com/security-alerts/cspuaug2026.html

Affected products (1)

cpe:2.3:a:oracle:reports_developer:14.1.2.0.0:*:*:*:*:*:*:*

More vulnerabilities in Oracle Reports Developer

CVE-2026-62608 — Critical (CVSS 9.9): Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and…
CVE-2026-70669 — Critical (CVSS 9.8): Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and…
CVE-2026-62640 — Critical (CVSS 9.8): Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and…
CVE-2026-62639 — Critical (CVSS 9.8): Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and…
CVE-2026-62635 — Critical (CVSS 9.8): Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and…
CVE-2026-62634 — Critical (CVSS 9.8): Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and…

All CVEs affecting Oracle Reports Developer →

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-83944 — Critical (CVSS 10.0): Improper access control in Azure Logic Apps allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-20192 — Critical (CVSS 10.0): As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine…
CVE-2026-87230 — Critical (CVSS 10.0): Vulnerability in the Oracle Hyperion Financial Management product of Oracle Hyperion (component: Security). The…
CVE-2026-54745 — Critical (CVSS 10.0): Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.17.0,…
CVE-2026-18886 — Critical (CVSS 10.0): ServiceNow has remediated an improper access control vulnerability that was identified in the ServiceNow AI platform.…
CVE-2026-76607 — Critical (CVSS 10.0): Joomla Extension - fabrikar.com - Missing ACL check in download element in Fabrik < 4.7.2.

Browse all CWE-284 (Improper Access Control) vulnerabilities →