How severe is CVE-2026-61261?

CVE-2026-61261 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-61261 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-61261?

CVE-2026-61261 affects Oracle Knowledge Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-61261?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-61261 published?

CVE-2026-61261 was published on 2026-07-21 and last updated on 2026-08-19.

CVE-2026-61261

CVE-2026-61261 is a medium-severity vulnerability in Oracle Knowledge Management with a CVSS 3.x base score of 5.4. 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: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Oracle Knowledge Management
Published: 2026-07-21
Last modified: 2026-08-19

Description

Vulnerability in the Oracle Knowledge Management product of Oracle E-Business Suite (component: User Interface). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Knowledge Management. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Knowledge Management accessible data as well as unauthorized read access to a subset of Oracle Knowledge Management accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).

Frequently asked questions

What is CVE-2026-61261?: Vulnerability in the Oracle Knowledge Management product of Oracle E-Business Suite (component: User Interface). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Knowledge Management. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Knowledge Management accessible data as well as unauthorized read access to a subset of Oracle Knowledge Management accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).
How severe is CVE-2026-61261?: CVE-2026-61261 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-61261 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-61261?: CVE-2026-61261 affects Oracle Knowledge Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-61261?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-61261 published?: CVE-2026-61261 was published on 2026-07-21 and last updated on 2026-08-19.

References

https://www.oracle.com/security-alerts/cpujul2026.html

Affected products (1)

cpe:2.3:a:oracle:knowledge_management:*:*:*:*:*:*:*:*

More vulnerabilities in Oracle Knowledge Management

CVE-2021-2198 — High (CVSS 8.2): Vulnerability in the Oracle Knowledge Management product of Oracle E-Business Suite (component: Setup, Admin).…
CVE-2020-2841 — High (CVSS 8.2): Vulnerability in the Oracle Knowledge Management product of Oracle E-Business Suite (component: Setup, Admin).…
CVE-2019-2660 — High (CVSS 8.2): Vulnerability in the Oracle Knowledge Management component of Oracle E-Business Suite (subcomponent: Setup, Admin).…
CVE-2017-10412 — High (CVSS 8.2): Vulnerability in the Oracle Knowledge Management component of Oracle E-Business Suite (subcomponent: User Interface).…
CVE-2017-10411 — High (CVSS 8.2): Vulnerability in the Oracle Knowledge Management component of Oracle E-Business Suite (subcomponent: User Interface).…
CVE-2017-10410 — High (CVSS 8.2): Vulnerability in the Oracle Knowledge Management component of Oracle E-Business Suite (subcomponent: Search). Supported…

All CVEs affecting Oracle Knowledge Management →

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-76607 — Critical (CVSS 10.0): Joomla Extension - fabrikar.com - Missing ACL check in download element in Fabrik < 4.7.3 - ???.
CVE-2026-20315 — Critical (CVSS 10.0): As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering…
CVE-2026-70921 — Critical (CVSS 10.0): Vulnerability in the Oracle Hyperion Financial Management product of Oracle Hyperion (component: Security). The…
CVE-2026-66803 — Critical (CVSS 10.0): Improper access control in Azure Cosmos DB allows an unauthorized attacker to execute code over a network.
CVE-2026-58630 — Critical (CVSS 10.0): Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-60358 — Critical (CVSS 10.0): Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine).…

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