CVE-2026-35273: Oracle PeopleSoft Enterprise PeopleTools Missing Authentication for Critical Function Vulnerability
CVE-2026-35273 is a Severity not scored in source feed flaw in Oracle PeopleSoft Enterprise PeopleTools. Oracle PeopleSoft Enterprise PeopleTools contains a missing authentication for critical function vulnerability which could allow an unauthenticated attacker to obtain takeover of PeopleSoft Enterprise PeopleTools. It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-06-12), meaning it is being actively exploited, including in ransomware campaigns. The fix: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Source: CISA Known Exploited Vulnerabilities Catalog. Data as of 2026-06-13.
Vulnerability details
| Field | Value |
|---|---|
| CVE ID | CVE-2026-35273 |
| Vulnerability | Oracle PeopleSoft Enterprise PeopleTools Missing Authentication for Critical Function Vulnerability |
| Vendor / product | Oracle — PeopleSoft Enterprise PeopleTools |
| CVSS base score | Not in source feed |
| Severity | — |
| Weakness (CWE) | CWE-306 |
| Added to CISA KEV | 2026-06-12 |
| CISA remediation due | 2026-06-15 |
| Known ransomware use | Known |
Source: CISA Known Exploited Vulnerabilities Catalog. Data as of 2026-06-13.
What is the risk?
Oracle PeopleSoft Enterprise PeopleTools contains a missing authentication for critical function vulnerability which could allow an unauthenticated attacker to obtain takeover of PeopleSoft Enterprise PeopleTools.
This vulnerability has known use in ransomware campaigns, which raises its practical urgency: exploitation has been observed as part of attacks that encrypt or exfiltrate data for extortion.
How to remediate CVE-2026-35273
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
U.S. federal civilian agencies were required to remediate this vulnerability by 2026-06-15 under CISA Binding Operational Directive 22-01. Private organizations should treat it with comparable urgency.
References
Frequently asked questions
What is CVE-2026-35273?
CVE-2026-35273 is a vulnerability in Oracle PeopleSoft Enterprise PeopleTools: Oracle PeopleSoft Enterprise PeopleTools contains a missing authentication for critical function vulnerability which could allow an unauthenticated attacker to obtain takeover of PeopleSoft Enterprise PeopleTools.
How severe is CVE-2026-35273?
The CISA KEV catalog does not publish a CVSS base score for this entry. Check the NVD record for the official score. Its presence in the KEV catalog means it is confirmed to be exploited in the wild.
Is CVE-2026-35273 being exploited in the wild?
Yes. It appears in the CISA Known Exploited Vulnerabilities (KEV) catalog, which only lists vulnerabilities with reliable evidence of active exploitation. It was added on 2026-06-12. It has known use in ransomware campaigns.
How do I fix CVE-2026-35273?
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Related vulnerabilities
- CVE-2024-21182: Oracle WebLogic Server Unspecified Vulnerability
- CVE-2009-3459: Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability
- CVE-2025-48595: Android Framework Integer Overflow Vulnerability
- CVE-2026-7473: Arista Extensible Operating System Incomplete Comparison with Missing Factors Vulnerability
Last updated: 2026-06-13