CVE-2026-91396Medium· 6.5▾ SunlitA flaw was found in the Utility component of OpenJDK. An unauthenticated remote attacker can exploit this vulnerability by supplying untrusted data to component APIs over the network. A successful attack can allow unauthorized modification…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.8 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the vendor's CSAF advisory record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 22.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
Last analysed / modified upstream
0.4%
A flaw was found in the Utility component of OpenJDK. An unauthenticated remote attacker can exploit this vulnerability by supplying untrusted data to component APIs over the network. A successful attack can allow unauthorized modification or deletion of accessible data and cause a partial Denial of Service (DoS).
openjdk: Improve Pack200 handling (Oracle CPU 2026-10) — rated Moderate by Red Hat. Released 2026-10-20, updated 2026-10-22.
Affected:
No fix planned:
Not affected:
Out of support scope
Connected by shared product, vendor, weakness, or advisory.
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