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CVE-2026-61308 is a difficult-to-exploit information-disclosure vulnerability in the Networking component of Oracle Java SE, Oracle GraalVM for JDK, and Oracle GraalVM Enterprise Edition. Affected Oracle Java SE releases include 8u501, 11.0.32, 17.0.20, 21.0.12, 25.0.4, and 26.0.2; affected GraalVM for JDK releases include 17.0.20 and 21.0.12; and GraalVM Enterprise Edition 21.3.19 is affected. The issue is reachable through HTTP and affected Networking APIs, including where a web service supplies attacker-controlled data to those APIs. It also applies to sandbox-reliant Java client deployments that load and execute untrusted Java Web Start applications or applets. The specific flawed API implementation and root cause are not available.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
44 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An OpenJDK vulnerability addressed through enhanced HTTP connection handling.
An OpenJDK 17 vulnerability allowing an unauthenticated attacker with HTTP network access to access critical data without authorization.
An OpenJDK HTTP-connections vulnerability fixed in the openSUSE java-21-openjdk August 2026 CSPU update. The plugin cites this CVE as its CVSS score source.
A vulnerability addressed by TencentOS TSSA-2026-0976; no technical vulnerability details are supplied.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.