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VulnerabilityCVE-2026-83357Published 2026-09-15

CVE-2026-83357 — Oracle GraalVM for JDK, Oracle GraalVM

high

As of 2026-09-15, CVE-2026-83357 is a HIGH-severity vulnerability in Oracle GraalVM for JDK, Oracle GraalVM, CVSS v3.1 8.1, EPSS 0.3% (23.2th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-83357 as of 2026-09-15; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

CVSS v3.1
8.1/10High
EPSS
0.3%Higher than 23.2% of scored CVEs
CISA KEV
NoNot in the KEV catalog
Tracked threats
0None linked yet
Priority
5/10Threadlinqs triage score
Published
CVSS v3.1 8.1 (HIGH) · EPSS 0.3% (higher than 23.2% of all scored CVEs) · Priority 5/10 · Published 2026-09-15

Last updated:

What is CVE-2026-83357?

Vulnerability in the Oracle GraalVM for JDK, Oracle GraalVM product of Oracle Java SE (component: Compiler). The supported version that is affected is Oracle GraalVM for JDK 17: 23.0.13.1; Oracle GraalVM for JDK 21: 23.1.12.1; Oracle GraalVM: 25.0.4.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle GraalVM for JDK, Oracle GraalVM. Successful attacks of this vulnerability can result in takeover of Oracle GraalVM for JDK, Oracle GraalVM. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 20 days ago.

Severity and exploitation probability

CVSS v3.1 base score
8.1 — HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (FIRST)
0.3% probability of exploitation in the next 30 days, higher than 23.2% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
5/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-09-15

Is CVE-2026-83357 being exploited?

It currently carries a trending score of 36 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2026-83357

No vendor patch reference has been recorded for CVE-2026-83357 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-83357

No threat campaign in the Threadlinqs corpus currently references CVE-2026-83357, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Vendor advisory and patch