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CVE-2026-70907 is a vulnerability in the Java Secure Socket Extension (JSSE) component of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, and affected OpenJDK-derived runtimes. An unauthenticated remote attacker can supply data over TLS to exposed JSSE APIs and cause a partial denial of service. OpenJDK 17 and 21 descriptions identify incorrect user-authentication handling, but the specific vulnerable function and underlying implementation defect are not identified. Affected Oracle versions include Java SE 8u501, 11.0.32, 17.0.20, 21.0.12, 25.0.4, and 26.0.2; GraalVM for JDK 17.0.20 and 21.0.12; and GraalVM Enterprise Edition 21.3.19.
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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.
70 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability affecting Java 11 OpenJDK packages covered by SUSE advisory SUSE-SU-2026:4515-1. The advisory describes the fix as enhancing the TLS server but provides no detailed exploitation mechanism or impact. The update upgrades OpenJDK to jdk-11.0.32.1+1.
A JSSE component vulnerability that allows an unauthenticated network attacker using TLS to cause partial denial of service. Exploitation requires supplying data to affected APIs, for example through a web service, rather than using untrusted Java applets or Java Web Start applications. The advisory identifies Amazon Corretto 17 versions before 17.0.20.10.1 as affected. Nessus inferred exposure from the application's self-reported version and did not test exploitation.
A vulnerability referenced by an Alma Linux 9.6 local security-check advisory; no technical flaw details are provided.
A specific vulnerability referenced in a Rocky Linux 9.6 security advisory/plugin; no technical vulnerability details are provided.
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.