CVE-2026-35273: Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Updates Env...
Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Updates Environment Management). Supported versions that are affected are 8.61 and 8.62. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks of this vulnerability can result in takeover of PeopleSoft Enterprise PeopleTools. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Security readout for executives and security teams
Plain-English summary
A remote attacker can take over affected Oracle PeopleSoft environments without credentials or user interaction. Because PeopleTools often supports business-critical systems, compromise could expose sensitive data, permit unauthorized changes, and disrupt operations. CISA’s KEV listing indicates exploitation has occurred in the wild.
Executive priority
Treat this as an emergency remediation item. Confirm exposure immediately and prioritize reachable production systems because exploitation is documented and successful attacks can cause complete PeopleTools takeover. Escalate suspected compromise to incident response rather than assuming patching alone removes existing attacker access.
Technical view
CVE-2026-35273 affects PeopleSoft Enterprise PeopleTools 8.61 and 8.62, specifically Updates Environment Management. Missing authentication (CWE-306) permits an unauthenticated attacker with HTTP network access to compromise the product. Its CVSS 3.1 score is 9.8, reflecting low-complexity remote exploitation and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to PeopleTools 8.61 and 8.62, with practical risk where HTTP access reaches an affected deployment. Prioritize internet-facing, partner-accessible, and broadly reachable internal instances. The supplied sources provide no affected CPEs or deployment-prevalence data.
Exploitation context
CISA lists this CVE in its Known Exploited Vulnerabilities catalog, supporting active exploitation in the wild. The supplied evidence does not describe exploitation volume, targeted organizations, indicators of compromise, or attacker methods. Do not infer those details from the KEV listing alone.
Researcher notes
The evidence establishes affected versions, HTTP attack surface, missing authentication, takeover impact, and KEV status. It does not supply patch identifiers, configuration-specific prerequisites, indicators, exploitation telemetry, or technical root-cause detail. Validate remediation exclusively against current Oracle guidance.
Mitigation direction
Review Oracle's advisory immediately and apply its prescribed remediation for affected releases.
Restrict affected HTTP services to trusted administrative networks while vendor remediation is evaluated or deployed.
Isolate affected instances from internet-facing and other untrusted network paths.
Increase monitoring of PeopleTools HTTP access and preserve relevant logs for investigation.
Validation and detection
Inventory PeopleTools instances and identify deployments running versions 8.61 or 8.62.
Determine whether Updates Environment Management is present and reachable through HTTP from untrusted networks.
Review HTTP and application logs for anomalous unauthenticated access; the bundle supplies no specific indicators.
Verify remediation status against Oracle's advisory and retain evidence for each affected instance.
The source record changed after analysis: Material source record changed after analysis.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · medium confidence lookup
CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
Exploitation: activeAutomatable: yesTechnical Impact: total
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-306 · source CWE mapping
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.