EUVD-2026-83946
GHSA-h355-27x9-rr7r
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Network-reachable unauthenticated deserialization yielding code execution justifies AV:N/PR:N/C:H/I:H/A:H; kept AC:L since the Proxy bypass is deterministic once the object-serialization/allow-list precondition holds.
Primary rating from Vendor (apache).
CVSS VectorVendor: apache
Lifecycle Timeline
4DescriptionCVE.org
The fix for CVE-2026-47065/ZDRES-232 ("resolveProxyClass Not Overridden - acceptMatchers Filter Bypass via java.lang.reflect.Proxy"), released on 2026-06-02 and announced as "Fully addressed" in MINA 2.2.8, 2.1.13 and 2.0.29, was committed to the 2.2.X branch only. The 2.0.X and 2.1.X maintenance branches never received the resolveProxyClass() override, so the 2.0.29 and 2.1.13 artifacts listed as fixed -- and every later release on those lines, up to and including the current 2.0.30 and 2.1.14 -- remain vulnerable to the exact allow-list bypass that CVE-2026-47065 was meant to close.
Articles & Coverage 2
AnalysisAI
Unauthenticated remote code execution risk in Apache MINA 2.0.X through 2.0.30 and 2.1.X through 2.1.14 arises because those maintenance branches never received the resolveProxyClass() override that closed CVE-2026-47065. An attacker who can reach an application that uses MINA's ObjectSerializationDecoder and relies on acceptMatchers can wrap a malicious serialized object in java.lang.reflect.Proxy to bypass the allow-list, and, if a suitable gadget chain is present, execute code. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires an application running Apache MINA 2.0.X (through 2.0.30) or 2.1.X (through 2.1.14) that deserializes attacker-reachable Java objects using MINA's ObjectSerializationDecoder/object-serialization codec AND relies on the acceptMatchers class allow-list as its deserialization defense; the attacker bypasses that allow-list by wrapping the payload in java.lang.reflect.Proxy, which the missing resolveProxyClass() override fails to filter. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuinely high-priority issue, not a CVSS-inflated one, though its real-world reach is narrower than the 9.8 headline implies. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Move affected deployments to Apache MINA 2.2.8 or later on the 2.2.X line; this is the only vendor-released fix identified, and upgrading to 2.0.30 or 2.1.14 does not remediate because the resolveProxyClass() override is absent from those branches. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all applications using Apache MINA 2.0.X through 2.0.30 or 2.1.X through 2.1.14, identify any that enable ObjectSerializationDecoder with acceptMatchers, and restrict network access to those endpoints to trusted sources only; if the decoder is not required, disable it immediately. …
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External POC / Exploit Code
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