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VulnerabilityPublished Updated

CVE-2026-47065: ZDRES-232 · resolveProxyClass Not Overridden - acceptMatchers Filter Bypass via

Affects mina2Source GCVE Database

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Authoritative record:CVE-2026-47065· Critical 9.8

Not known to be exploited · CVSS 9.8 Critical.

Data as of 9 Nov 2026, 14:18 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.10mina2pkg:deb/ubuntu/mina2?arch=source&distro=stonkingOther threatsAffected
  • =2.2.1-4
  • =2.2.1-4ubuntu1
  • =2.2.9-1
Fixed in–
Ubuntu 25.10mina2pkg:deb/ubuntu/mina2?arch=source&distro=questingOther threatsAffected
  • =2.2.1-3
  • =2.2.1-4
Fixed in–
Ubuntu Pro 24.04 LTSmina2pkg:deb/ubuntu/mina2?arch=source&distro=esm-apps/nobleOther threatsAffected
  • =2.2.1-3
  • =2.2.1-3ubuntu0.1~esm1
Fixed in–
Ubuntu Pro 22.04 LTSmina2pkg:deb/ubuntu/mina2?arch=source&distro=esm-apps/jammyOther threatsAffected
  • =2.1.4-2
  • =2.1.5-1
  • =2.1.5-1ubuntu0.1~esm1
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

The vendor has fully addressed these issues. Users should apply the official fixes or upgrade to versions where these vulnerabilities are resolved. No additional mitigation steps are indicated beyond applying the vendor's patches.

Description

CVE-2026-47065 is a critical vulnerability in the mina2 product involving Java deserialization. It arises because the resolveProxyClass method is not overridden, allowing a proxy class to bypass acceptMatchers filtering. Additionally, deserializing allow-listed classes triggers their static initializers, which may have side effects. Both issues have been fully addressed by the vendor.

References

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