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CVE-2026-101501

CRITICAL 9.9

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

Vulnerability in Oracle Trusted Answer Search (component: PLSQL package). The supported version that is affected is 26.1. Easily exploitable vulnerability allows low privileged attacker with network access via Oracle Net to compromise Oracle Trusted Answer Search. While the vulnerability is in Oracle Trusted Answer Search, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Trusted Answer Search accessible data as well as unauthorized read access to a subset of Oracle Trusted Answer Search accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Trusted Answer Search. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H).

ELEVATED IMPACT

Severe if exploited (CVSS 9.9), but no known exploitation and low modeled probability. Patch on a normal cadence.

Exploitation likelihood

—EPSS not yet scored

○ In CISA KEV ○ Public exploit / PoC

Impact if exploited

9.9CVSS 3.1 · CRITICAL

  • ConfidentialityLow
  • IntegrityHigh
  • AvailabilityHigh

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 & exploit code

Test against your own equipment

curl -s https://vulnpedia.com/cve/CVE-2026-101501/poc.jsonMachine-readable PoC index for this CVE (for automation).

Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-101501/poc.json

Affected

Vendors Oracle Corporation

Products Oracle Trusted Answer Search

Weakness (CWE)

Not classified.

CVSS vector

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

All CVSS metrics

  • CRITICAL 9.9 v3.1 · CNA Primary
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H
  • CRITICAL 9.9 v3.1 · NVD Primary
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H

References

Advisories

Sources: NVD · CVE.org · EPSS