CVE-2026-35273

critical

Description

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).

From the Tenable Blog

Oracle Critical Security Patch Update June 2026 | Tenable®

Published: 2026-06-18

Oracle’s Critical Security Patch Update (CSPU) for June 2026, its second CSPU, addresses 243 CVEs, including 122 critical updates.

References

https://www.oracle.com/security-alerts/alert-cve-2026-35273.html

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-35273

https://www.bleepingcomputer.com/news/security/over-900-oracle-e-business-instances-exposed-to-ongoing-attacks/

https://thehackernews.com/2026/06/oracle-e-business-suite-flaw-cve-2026.html

https://www.bleepingcomputer.com/news/security/nissan-discloses-employee-data-breach-linked-to-oracle-zero-day-attacks/

https://www.bleepingcomputer.com/news/security/new-oracle-e-business-suite-flaw-now-exploited-in-attacks/

https://www.bleepingcomputer.com/news/security/naic-says-public-data-stolen-in-shinyhunters-peoplesoft-breach/

https://www.securityweek.com/oracles-second-monthly-security-updates-deliver-245-patches/

https://arcticwolf.com/resources/blog/critical-oracle-peoplesoft-vulnerability-actively-exploited-in-shinyhunters-campaign/

https://www.theregister.com/cyber-crime/2026/06/15/council-of-europe-hacked-in-shinyhunters-peoplesoft-heist/5255757

https://securityaffairs.com/193574/security/u-s-cisa-adds-oracle-peoplesoft-enterprise-peopletools-flaw-to-its-known-exploited-vulnerabilities-catalog.html

https://www.securityweek.com/google-confirms-exploitation-of-oracle-peoplesoft-zero-day-by-shinyhunters/

https://www.cisa.gov/news-events/alerts/2026/06/12/cisa-adds-one-known-exploited-vulnerability-catalog

https://securityaffairs.com/193543/cyber-crime/oracle-peoplesoft-rce-flaw-used-as-zero-day-in-ongoing-shinyhunters-campaign.html

https://databreaches.net/2026/06/12/shinyhunters-targets-education-sector-with-oracle-peoplesoft-exploit/?pk_campaign=feed&pk_kwd=shinyhunters-targets-education-sector-with-oracle-peoplesoft-exploit

https://cyberscoop.com/oracle-peoplesoft-zero-day-vulnerability-shinyhunters-extortion/

https://arstechnica.com/security/2026/06/peoplesoft-0-day-affecting-hundreds-of-organizations-steals-gigabytes-of-data/

https://www.theregister.com/cyber-crime/2026/06/11/shinyhunters-claims-oracle-peoplesoft-0-day-hit-100-orgs/5254443

https://www.bleepingcomputer.com/news/security/oracle-mitigates-peoplesoft-zero-day-exploited-in-data-theft-attacks/

https://thehackernews.com/2026/06/shinyhunters-exploits-oracle-peoplesoft.html

https://cloud.google.com/blog/topics/threat-intelligence/shinyhunters-targets-education-sector-oracle-exploit/

http://www.zerodayinitiative.com/advisories/ZDI-26-387/

https://hackread.com/shinyhunters-universities-oracle-peoplesoft-zero-day-attack/

https://www.securityweek.com/oracle-addresses-peoplesoft-vulnerability-amid-reports-of-zero-day-attacks/

https://www.helpnetsecurity.com/2026/06/11/oracle-peoplesoft-under-attack-cve-2026-35273/

https://blogs.oracle.com/security/security-alert-cve-2026-35273-released

Details

Source: Mitre, NVD

Published: 2026-06-11

Updated: 2026-06-12

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.9233

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability of Interest

Detections

Analytics