CVE-2026-101388

HIGH 7.1

Published 2026-10-20 · Last modified 2026-10-20

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Portal). Supported versions that are affected are 8.61-8.63. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all PeopleSoft Enterprise PeopleTools accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of PeopleSoft Enterprise PeopleTools. CVSS 3.1 Base Score 7.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L).

ELEVATED IMPACT

Severe if exploited (CVSS 7.1), but no known exploitation and low modeled probability. Patch on a normal cadence.

Exploitation likelihood

0.4%chance of exploitation in 30 days · 32nd percentile

○ In CISA KEV ○ Catalogued PoC

Impact if exploited

7.1CVSS 3.1 · HIGH

ConfidentialityHigh
IntegrityNone
AvailabilityLow

What an attacker needs

✓Access: Reachable over the network — no local access needed
⚠Privileges: Requires a low-privilege account
✓User interaction: No user interaction needed
✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

Search for new PoCs

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Tracked sources are checked daily for recent CVEs, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Data snapshot: 2026-10-26T13:52:32.101Z

Affected

Vendors Oracle Corporation

Products Peoplesoft Enterprise Peopletools

Weakness (CWE)

Not classified.

CVSS vector

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

References and research data (JSON)

All CVSS metrics

HIGH 7.1 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
HIGH 7.1 v3.1 · NVD Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

References

Advisories

https://www.oracle.com/security-alerts/cpuoct2026.html vendor-advisoryCVE record · oracle · Updated 2026-10-20T21:20:32.746Z
NVD · CVE-2026-101388 · Updated 2026-10-21T14:29:49.513
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-105804 ADVISORYEUVD · EUVD-2026-105804

Sources: NVD · CVE.org · EPSS