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VulnerabilityPublished

CVE-2026-22003: Oracle Java SE · Uncontrolled Resource Consumption

Affects Oracle Java SESource CVE Database V5

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Not known to be exploited · CVSS 6.0 Medium.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
6.0Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 0% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    Public exploit code: GitHub proofs of concept

  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), GitHub proofs of concept, the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Oracle CorporationOracle Java SEAffected
  • =8u481
  • =8u481-b50
Fixed in–
Oracle CorporationOracle GraalVM Enterprise EditionAffected
  • =21.3.17
Fixed in–

AI-suggested

Oracle’s April 2026 Critical Patch Update advisory is available and customers are strongly advised to apply the latest patches promptly. However, the advisory content provided does not explicitly confirm a patch for CVE-2026-22003. Until a patch is confirmed and applied, limit local access to affected systems and avoid running untrusted Java code in sandboxed environments. Note that this vulnerability does not affect server deployments running only trusted code.

Description

CVE-2026-22003 is a medium severity vulnerability in Oracle Java SE and Oracle GraalVM Enterprise Edition Hotspot component affecting versions 8u481 and 8u481-b50. It allows a low privileged attacker with logon access to the infrastructure to compromise the affected products, but exploitation is difficult and requires human interaction from a person other than the attacker. Successful exploitation can lead to unauthorized creation, deletion, or modification of critical or accessible data and cause a hang or repeated crash resulting in denial of service. This vulnerability primarily affects Java deployments running untrusted code in sandboxed environments such as Java Web Start applications or applets, and does not apply to server deployments running only trusted code. The CVSS 3.1 base score is 6.0, reflecting integrity and availability impacts with attack vector local, high attack complexity, low privileges required, and user interaction required. Oracle has published a Critical Patch Update advisory for April 2026 but does not explicitly confirm a patch for this specific CVE in the provided content.

References

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