CVE-2026-34268: Oracle Java SE · Information Exposure
Affects Oracle Java SESource CVE Database V5
Not known to be exploited · CVSS 2.9 Low.
Data as of 30 Oct 2026, 06:59 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 21 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| Oracle CorporationOracle Java SE | Affected
| Fixed in– |
| Oracle CorporationOracle GraalVM for JDK | Affected
| Fixed in– |
| Oracle CorporationOracle GraalVM Enterprise Edition | Affected
| Fixed in– |
Mavencom.oracle/java-sepkg:maven/com.oracle/java-seOther threats | Affected
| 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 and strongly recommends applying these updates promptly. Although the advisory does not explicitly confirm a patch for CVE-2026-34268, customers should remain on actively supported versions and apply the latest Critical Patch Updates without delay. No vendor advisory states that no action is required or that the vulnerability is already mitigated. Therefore, applying Oracle's cumulative security patches is the recommended mitigation.
Description
CVE-2026-34268 is a low-severity vulnerability in Oracle Java SE, Oracle GraalVM for JDK, and Oracle GraalVM Enterprise Edition affecting multiple versions including 8u481, 11.0.30, 17.0.18, 21.0.10, 25.0.2, and 26. The vulnerability allows an unauthenticated attacker with local logon access to the infrastructure where these products run to gain unauthorized read access to a subset of accessible data.