CVE-2026-101558

MEDIUM 6.1

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

Vulnerability in the Oracle Purchasing product of Oracle E-Business Suite (component: Approvals). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Purchasing. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Purchasing, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Purchasing accessible data as well as unauthorized read access to a subset of Oracle Purchasing accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

NO EXPLOITATION SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 15th percentile

○ In CISA KEV ○ Catalogued PoC

Impact if exploited

6.1CVSS 3.1 · MEDIUM

ConfidentialityLow
IntegrityLow
AvailabilityNone

What an attacker needs

✓Access: Reachable over the network — no local access needed
✓Privileges: No account or privileges required
⚠User interaction: A user must take an action (click / open a file)
✓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 Oracle Purchasing

Weakness (CWE)

Not classified.

CVSS vector

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

References and research data (JSON)

All CVSS metrics

MEDIUM 6.1 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
MEDIUM 6.1 v3.1 · NVD Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

Advisories

https://www.oracle.com/security-alerts/cpuoct2026.html vendor-advisoryCVE record · oracle · Updated 2026-10-20T21:21:33.212Z
NVD · CVE-2026-101558 · Updated 2026-10-21T14:29:49.513
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-105968 ADVISORYEUVD · EUVD-2026-105968

Sources: NVD · CVE.org · EPSS