Apache Commons BCEL up to 6.12.x deserialization

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k1.31-

Summaryinfo

A vulnerability described as critical has been identified in Apache Commons BCEL up to 6.12.x. Impacted is an unknown function. Executing a manipulation can lead to deserialization. This vulnerability is handled as CVE-2026-94114. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Apache Commons BCEL up to 6.12.x. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect integrity, and availability. CVE summarizes:

Symbolic name not mapping to correct object vulnerability in Apache Commons. BCEL caches attacker-controlled classes under their self-declared names without validating the requested name, allowing subsequent lookups and name-keyed verification results to refer to a different class. This issue affects Apache Commons: before 6.13.0. Users are recommended to upgrade to version 6.13.0, which fixes the issue.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-94114 since 09/20/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/06/2026).

Upgrading to version 6.13.0 eliminates this vulnerability. Applying the patch 14890bf2b9014df25f9b4de86f29b5e917e5656b is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (apache): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Commons BCEL 6.13.0
Patch: 14890bf2b9014df25f9b4de86f29b5e917e5656b

Timelineinfo

09/20/2026 CVE reserved
10/06/2026 +16 days Advisory disclosed
10/06/2026 +0 days VulDB entry created
10/06/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: apache.org

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-94114 (🔒)
GCVE (CVE): GCVE-0-2026-94114
GCVE (VulDB): GCVE-100-414496

Entryinfo

Created: 10/06/2026 22:05
Changes: 10/06/2026 22:05 (76)
Complete: 🔍
Cache ID: 216::103

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