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PatchSiren cyber security CVE debrief

CVE-2026-35273 Oracle Corporation CVE debrief

This debrief provides an analysis of CVE-2026-35273, a critical vulnerability in Oracle PeopleSoft Enterprise PeopleTools. The vulnerability has a CVSS score of 9.8 and is categorized as a Missing Authentication for Critical Function Vulnerability. It is known to be exploited in the wild and requires immediate attention from defenders responsible for PeopleSoft Enterprise PeopleTools deployments. The vulnerability allows for missing authentication for a critical function, which can lead to severe consequences if not addressed promptly. Defenders should assess exposure and apply mitigations according to vendor instructions. This vulnerability is listed in the CISA Known Exploited V

Vendor
Oracle Corporation
Product
PeopleSoft Enterprise PeopleTools
CVSS
CRITICAL 9.8
CISA KEV
Listed
Original CVE published
2026-06-12
Original CVE updated
2026-06-12
Advisory published
2026-06-12
Advisory updated
2026-06-12

Who should care

Defenders responsible for Oracle PeopleSoft Enterprise PeopleTools deployments should assess exposure and apply mitigations according to vendor instructions.

Why it matters

CVE-2026-35273 is a critical vulnerability in Oracle PeopleSoft Enterprise PeopleTools with a CVSS score of 9.8. It is known to be exploited in the wild and requires immediate attention from defenders responsible for PeopleSoft Enterprise PeopleTools deployments. The vulnerability allows for missing authentication for a critical function, which can lead to severe consequences if not addressed promptly.

  • Verify and apply mitigations according to Oracle Corporation instructions
  • Ensure compliance with CISA's BOD 26-04 guidance for prioritizing security updates based on risk
  • Evaluate each asset's internet exposure and adhere to BOD 26-04 patching guidelines

Technical summary

The vulnerability has a CVSS score of 9.8 and is categorized as a Missing Authentication for Critical Function Vulnerability in Oracle PeopleSoft Enterprise PeopleTools. This type of vulnerability can allow attackers to perform critical functions without proper authentication, potentially leading to unauthorized access and data breaches. The vulnerability is known to be exploited in the wild, emphasizing the need for immediate action from defenders responsible for PeopleSoft Enterprise PeopleTools deployments.

Defensive priority

High

Recommended defensive actions

  • Assess exposure and apply mitigations according to vendor instructions
  • Ensure compliance with CISA's BOD 26-04 guidance
  • Evaluate each asset's internet exposure and adhere to BOD 26-04 patching guidelines

Evidence notes

The vulnerability is listed in the CISA Known Exploited Vulnerabilities catalog, indicating that it is known to be exploited in the wild. Oracle Corporation is the affected vendor.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-35273 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-35273

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-35273 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-35273

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.