CVE-2026-42778

criticalpriority · track · 10EPSS 0.007 · 51 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.66% (51st) EPSS

CVSS 9.8 · critical

Is it mine?

19 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

The fix for CVE-2026-41409 was not applied to the 2.1.X and 2.2.X branches. Here was the original issue description: 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 2.1.0 <= 2.1.11, and 2.2.0 <= 2.2.6. The problem is resolved in Apache MINA 2.1.12, and 2.2.7 by applying the classname allowlist earlier. Affected are applications using Apache MINA that call IoBuffer.getObject(). Applications using Apache MINA are advised to upgrade 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 2.1.0 <= 2.1.110, and 2.2.0 <= 2.2.6. The problem is resolved in Apache MINA 2.1.12, and 2.2.7 by applying the classname allowlist earlier. Affected are applications using Apache MINA that call IoBuffer.getObject(). Applications using Apache MINA are advised to upgrade

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · security@apache.orgexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USCWE-502USCWE-502US

exploits (1)

Public proof-of-concept and weaponised exploit code.

Akinfue/CVE-2026-42778-POCCVE-2026-42778 EUVD-2026-26492 Deserialization of Untrusted Data (CWE-502)PoC · poc_in_github

affected products (19)

Products and version ranges known to be affected.

IBM Operational Decision Manager <8.11.0.1 IF056all versionscert_bundDE
IBM Operational Decision Manager <8.11.1 IF055all versionscert_bundDE
IBM Operational Decision Manager <8.12.0.1 IF039all versionscert_bundDE
IBM Operational Decision Manager <9.0.0.1 IF025all versionscert_bundDE
IBM Operational Decision Manager <9.5.0.1 IF010all versionscert_bundDE
IBM Operational Decision Manager< 8.11.0.1 IF056cert_bundDE
IBM Operational Decision Manager< 8.11.1 IF055cert_bundDE
IBM Operational Decision Manager< 8.12.0.1 IF039cert_bundDE
IBM Operational Decision Manager< 9.0.0.1 IF025cert_bundDE
IBM Operational Decision Manager< 9.5.0.1 IF010cert_bundDE
Apache Software Foundation Apache MINA≤ 2.2.X ≤2.2.6enisa_euvdEU
Apache Software Foundation Apache MINA≤ 2.1.X ≤2.1.11enisa_euvdEU
Apache Software Foundation MINA≤ 2.2.7fstec_bduRU
Apache Software Foundation MINA≤ 2.1.12fstec_bduRU
АО «СберТех» Platform V IAM SE≤ 2.3.1fstec_bduRU
apache mina2.1.0 → 2.1.12nvdUScpe:2.3:a:apache:mina:*:*:*:*:*:*:*:*
apache mina2.2.0 → 2.2.7nvdUScpe:2.3:a:apache:mina:*:*:*:*:*:*:*:*
Maven org.apache.mina:mina-core2.1.0 → 2.1.12osvUSpkg:maven/org.apache.mina/mina-core
Maven org.apache.mina:mina-core2.2.0 → 2.2.7osvUSpkg:maven/org.apache.mina/mina-core

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2260IBM Operational Decision Manager: Mehrere SchwachstellenDeutsch2026-07-08csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM Operational Decision Manager ausnutzen, um beliebigen Programmcode auszuführen, um seine Privilegien zu erhöhen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, um Dateien zu manipulieren, und um Sicherheitsvorkehrungen zu umgehen.
GHSA-995c-6rp3-4m4xApache MINA vulnerable to Deserialization of Untrusted Data (CVE-2026-41409 Incomplete Fix)2026-05-01ghsa · osvUS
The fix for CVE-2026-41409 was not applied to the 2.1.X and 2.2.X branches. Here was the original issue description: 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 2.1.0 <= 2.1.11, and 2.2.0 <= 2.2.6. The problem is resolved in Apache MINA 2.1.12, and 2.2.7 by applying the classname allowlist earlier. Affected are applications using Apache MINA that call IoBuffer.getObject(). Applications using Apache MINA are advised to upgrade.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv NVD CVE.org MITRE

published 2026-05-01modified 2026-10-26

references (4)

External citations — patches, advisories, analysis.

scry

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