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VulnerabilityPublished

CVE-2026-35252: Oracle Security Service · Improper Access Control

Affects Oracle Security ServiceSource CVE Database V5

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Not known to be exploited · CVSS 6.4 Medium.

Data as of 29 Oct 2026, 19:04 UTC

CVSS 3.1 base score
6.4Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Oracle CorporationOracle Security ServiceAffected
  • =12.2.1.4.0
  • =12.1.3.0.0
Fixed in–
Mavencom.oracle/security-servicepkg:maven/com.oracle/security-serviceOther threatsAffected
  • =12.2.1.4.0
  • =12.1.3.0.0
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Oracle’s April 2026 Critical Patch Update advisory includes multiple security patches for Fusion Middleware products, including Oracle Security Service. Customers are strongly advised to apply the April 2026 Critical Patch Update without delay to address this vulnerability and others. The vendor advisory does not explicitly confirm a dedicated patch for CVE-2026-35252, so customers should monitor Oracle’s security alerts and apply all relevant patches as they become available. Maintaining actively supported versions and timely patching is critical. No alternative mitigations or workarounds are specified in the advisory.

Description

CVE-2026-35252 is a vulnerability in Oracle Security Service versions 12.2.1.4.0 and 12.1.3.0.0 that allows a low privileged attacker with network access via HTTPS to potentially compromise the service. Exploitation is difficult and requires human interaction from a person other than the attacker.

References

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