CVE-2026-35273: Oracle PeopleSoft Enterprise PeopleTools Missing Authentication for Critical Function Vulnerability

100

Patch now

CRITICAL 9.8EXPLOITEDREMOTEDOWNGRADE

CVE-2026-35273 is a critical-severity flaw (CVSS 9.8) affecting peoplesoft enterprise peopletools, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Exploited in the wild (CISA KEV)
Used in ransomware campaigns
Covered by 3 security sources
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	96.7% (top 1%)
CISA exploited list	Yes, fix due 2026-06-15, used in ransomware
Weakness	CWE-306
Published	2026-06-11
Last modified	2026-07-23

Publisher (CNA): Oracle · Vendor: oracle

Last updated 2026-07-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-11 04:16 UTCPublished CVE record published
2026-06-12Exploited Added to the CISA Known Exploited Vulnerabilities list
2026-06-15Deadline CISA due date for US federal agencies to patch
2026-07-23 09:10 UTCUpdated Record last modified

oracle peoplesoft enterprise peopletools DOWNGRADE

Affected: 8.61 · 8.62

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.61

1. Check installed version

apt-cache policy peoplesoft-enterprise-peopletools || rpm -q peoplesoft-enterprise-peopletools || peoplesoft-enterprise-peopletools --version

2. No fixed release: DOWNGRADE to a release before 8.61 (Debian / Ubuntu)

apt-cache madison peoplesoft-enterprise-peopletools sudo apt install peoplesoft-enterprise-peopletools=<VERSION_BEFORE_8.61> sudo apt-mark hold peoplesoft-enterprise-peopletools

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list peoplesoft-enterprise-peopletools sudo dnf downgrade peoplesoft-enterprise-peopletools-<VERSION_BEFORE_8.61> sudo dnf versionlock add peoplesoft-enterprise-peopletools

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · ruff · FIXED · 0.17.3-1.fc46 · FEDORA-2026-63898fdcbb · source

sudo dnf upgrade --advisory=FEDORA-2026-63898fdcbb

Fedora ELN · xorg-x11-server-Xwayland · FIXED · 26.0.99.903-2.eln159 · FEDORA-2026-4581dab0ed · source

sudo dnf upgrade --advisory=FEDORA-2026-4581dab0ed

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: HORKimhab/CVE-2026-35273 (4 stars)
GitHub PoC: 0xBlackash/CVE-2026-35273 (3 stars)
GitHub PoC: 12hrformat/CVE-2026-35273-POC (1 stars)
Nuclei scan template: Oracle PeopleSoft PeopleTools PSEMHUB - Pre-Auth Java Deserialization RCE

Advisories and coverage

Official advisories

Oracle Security Alerts: Oracle Security Alert Advisory - CVE-2026-35273 2026-06-11

Research and news

Zero Day Initiative Blog: CVE-2026-35273: SSRF to RCE in Oracle PeopleSoft 2026-10-27
Mandiant / Google Cloud Threat Intel: ShinyHunters Renewed Mass Exploitation Campaign Targeting Oracle PeopleSoft 2026-09-25

Verify at the official source NVD · CVE Program · CISA KEV catalog · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-35273?

peoplesoft enterprise peopletools: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-35273 being exploited?

Yes. CVE-2026-35273 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

What does CVE-2026-35273 affect?

CVE-2026-35273 affects peoplesoft enterprise peopletools. Severity is critical (CVSS 9.8). 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

How urgent is CVE-2026-35273?

Priority 100/100. Critical severity; EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); Used in ransomware campaigns; Covered by 3 security sources; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-60814 LOW 3.9 UPGRADE Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Business Inter
CVE-2026-60819 LOW 3.7 UPGRADE Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Application Se
CVE-2026-101388 HIGH 7.1 UPGRADE Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Portal)
CVE-2026-101389 MEDIUM 5.9 UPGRADE Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Business Inter
CVE-2026-101390 HIGH 8.1 UPGRADE Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Business Inter

References

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