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CVE-2026-41409

36
FAUCET Score

The fix for CVE-2024-52046 in Apache MINA AbstractIoBuffer.getObject() was incomplete. The classname allowlist of classes allowed to be deserialized was applied too late after a static initializer in a class to be read might already have been executed. Affected versions are Apache MINA 2.0.0 <= 2.0.27, 2.1.0 <= 2.1.10, and 2.2.0 <= 2.2.5. The problem is resolved in Apache MINA 2.0.28, 2.1.11, and 2.2.6 by applying the classname allowlist earlier. Affected are applications using Apache MINA that call IoBuffer.getObject(). Applications using Apache MINA are advised to upgrade

First published: Apr 27, 2026Last modified: Apr 27, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, < 2.0.28CPE matchmatch criteria
cpe:2.3:a:apache:mina:*:*:*:*:*:*:*:*
>= 2.1.0, < 2.1.11CPE matchmatch criteria
cpe:2.3:a:apache:mina:*:*:*:*:*:*:*:*
>= 2.2.0, < 2.2.6CPE matchmatch criteria
cpe:2.3:a:apache:mina:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
35.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 12th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

mavenpatch availablevia ghsa
Product: org.apache.mina:mina-coreFixed in: 2.0.28
mavenpatch availablevia ghsa
Product: org.apache.mina:mina-coreFixed in: 2.1.11
mavenpatch availablevia ghsa
Product: org.apache.mina:mina-coreFixed in: 2.2.6
apachevendor investigatingvia vendor_rss
View patch

Vendor Advisories (2)

mavenGHSA-f2wh-grmh-r6jmcritical

Apache MINA Vulnerable to Deserialization of Untrusted Data (CVE-2024-52046 Incomplete Fix)

Apr 27, 2026
apacheapache:www.mail-archive.com/[email protected]/msg10988.html

CVE-2026-41409: Apache MINA: CWE-502 Deserialization of Untrusted Data

Apr 27, 2026

References

lists.apache.org / thread/9ddvsq6c4l5bhwq8l14sob4f8qjvx5c9
Mailing ListVendor Advisory