Common Weakness Enumeration
CWE-326
Weakness Allowed-with-ReviewInadequate Encryption Strength
Abstraction: Class · Status: Draft
The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.
Mapping guidance
This CWE entry is a Class and might have Base-level children that would be more appropriate
Examine children of this entry to see if there is a better fit
Modes of introduction
Architecture and Design
COMMISSION: This weakness refers to an incorrect design related to an architectural security tactic.
Detection methods
Automated Static Analysis
Automated static analysis, commonly referred to as Static Application Security Testing (SAST), can find some instances of this weakness by analyzing source code (or binary/compiled code) without having to execute it. Typically, this is done by building a model of data flow and control flow, then searching for potentially-vulnerable patterns that connect "sources" (origins of input) with "sinks" (destinations where the data interacts with external components, a lower layer such as the OS, etc.)
Effectiveness: High
Content history
Submission: PLOVER
· 2006-07-19
· CWE Draft 3
Modification:
· Veracode
· 2008-08-15
· CWE 1.0
Suggested OWASP Top Ten 2004 mapping
Modification: CWE Content Team
· MITRE
· 2008-09-08
· CWE 1.0
updated Maintenance_Notes, Relationships, Taxonomy_Mappings
Modification: CWE Content Team
· MITRE
· 2009-03-10
· CWE 1.3
updated Relationships
Modification: CWE Content Team
· MITRE
· 2009-05-27
· CWE 1.4
updated Related_Attack_Patterns
Modification: CWE Content Team
· MITRE
· 2009-07-08
· CWE 1.5
Clarified entry to focus on algorithms that do not have major weaknesses, but may not be strong enough for some purposes.
Modification: CWE Content Team
· MITRE
· 2009-07-27
· CWE 1.5
updated Common_Consequences, Description, Maintenance_Notes, Name
Modification: CWE Content Team
· MITRE
· 2009-10-29
· CWE 1.6
updated Relationships
Modification: CWE Content Team
· MITRE
· 2010-02-16
· CWE 1.8
updated References
Modification: CWE Content Team
· MITRE
· 2010-06-21
· CWE 1.9
updated Relationships
Modification: CWE Content Team
· MITRE
· 2011-06-01
· CWE 1.13
updated Common_Consequences
Modification: CWE Content Team
· MITRE
· 2012-05-11
· CWE 2.2
updated References, Relationships
Modification: CWE Content Team
· MITRE
· 2013-07-17
· CWE 2.5
updated Relationships
Modification: CWE Content Team
· MITRE
· 2014-07-30
· CWE 2.8
updated Relationships
Modification: CWE Content Team
· MITRE
· 2015-12-07
· CWE 2.9
updated Relationships
Modification: CWE Content Team
· MITRE
· 2017-11-08
· CWE 3.0
updated Applicable_Platforms, Modes_of_Introduction, References, Relationships
Modification: CWE Content Team
· MITRE
· 2018-03-27
· CWE 3.1
updated References, Relationships
Modification: CWE Content Team
· MITRE
· 2019-01-03
· CWE 3.2
updated Related_Attack_Patterns
Modification: CWE Content Team
· MITRE
· 2019-06-20
· CWE 3.3
updated Relationships
Modification: CWE Content Team
· MITRE
· 2020-02-24
· CWE 4.0
updated Maintenance_Notes, Potential_Mitigations, Relationships
Modification: CWE Content Team
· MITRE
· 2021-10-28
· CWE 4.6
updated Relationships
Modification: CWE Content Team
· MITRE
· 2023-01-31
· CWE 4.10
updated Description, Relationships
Modification: CWE Content Team
· MITRE
· 2023-04-27
· CWE 4.11
updated Detection_Factors, Relationships
Modification: CWE Content Team
· MITRE
· 2023-06-29
· CWE 4.12
updated Mapping_Notes
Modification: CWE Content Team
· MITRE
· 2025-12-11
· CWE 4.19
updated Relationships, Weakness_Ordinalities
Modification: CWE Content Team
· MITRE
· 2026-10-28
· CWE 5.0
updated Common_Consequences, Description
686 vulnerabilities reference this CWE, most recent first.
CVE-2026-126993 (GCVE-0-2026-126993)
Vulnerability from cvelistv5 – Published: 2026-11-12 12:15 – Updated: 2026-11-13 18:37
VLAI
EPSS
VEX
Title
SiteServer SSCMS captcha inadequate encryption
Summary
A security flaw has been discovered in SiteServer SSCMS up to 7.2.2. Impacted is an unknown function of the file /api/v1/captcha. Performing a manipulation of the argument Value results in inadequate encryption strength. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-13 18:36 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/436288 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/436288/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-126993 | third-party-advisory |
| https://vuldb.com/submit/1040543 | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SiteServer | SSCMS |
Affected:
7.2.0
Affected: 7.2.1 Affected: 7.2.2 cpe:2.3:a:sscms:sscms:*:*:*:*:*:*:*:* |
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CVE-2026-116054 (GCVE-0-2026-116054)
Vulnerability from cvelistv5 – Published: 2026-10-25 14:15 – Updated: 2026-10-29 20:08
VLAI
EPSS
VEX
Title
SH3 Módulo de Gestão/Módulo de Arrecadação weak password hash
Summary
A security vulnerability has been detected in SH3. This affects an unknown function of the component Módulo de Gestão/Módulo de Arrecadação. The manipulation leads to password hash with insufficient computational effort. The attack is possible to be carried out remotely. A high degree of complexity is needed for the attack. The exploitability is reported as difficult. The exploit has been disclosed publicly and may be used. Upgrading to version 2026.0.2.0 mitigates this issue. Upgrading the affected component is recommended.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 20:08 UTC
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/426138 | vdb-entry |
| https://vuldb.com/vuln/426138/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-116054 | third-party-advisory |
| https://vuldb.com/submit/997072 | third-party-advisory |
| https://medium.com/@warlleyfreire/sh3-public-mana… | broken-linkexploit |
Impacted products
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CVE-2026-114616 (GCVE-0-2026-114616)
Vulnerability from cvelistv5 – Published: 2026-10-22 21:14 – Updated: 2026-10-30 20:07
VLAI
EPSS
VEX
Title
Authlib accepts an empty HMAC key, allowing JWS/JWT signature forgery (HS256/HS384/HS512)
Summary
Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.9.1, Authlib's OctKey.import_key() and HMAC signing and verification path accept zero-length key material. If an application's secret lookup can return an empty string or empty bytes, a remote attacker can compute the deterministic HS256, HS384, or HS512 signature for arbitrary token claims and have Authlib treat the token as authentic. This issue is fixed in version 1.9.1.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 20:07 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/authlib/authlib/security/advis… | x_refsource_CONFIRM |
| https://github.com/authlib/authlib/commit/4ff30db… | x_refsource_MISC |
| https://github.com/authlib/authlib/releases/tag/v1.9.1 | x_refsource_MISC |
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CVE-2026-112029 (GCVE-0-2026-112029)
Vulnerability from cvelistv5 – Published: 2026-10-18 23:00 – Updated: 2026-10-19 17:52
VLAI
EPSS
VEX
Title
diem-project diem SHA1 PluginDmUser.class.php weak password hash
Summary
A vulnerability has been found in diem-project diem up to 5.1.3. This affects an unknown part of the file lib/model/doctrine/PluginDmUser.class.php of the component SHA1 Handler. Such manipulation of the argument salt/password leads to password hash with insufficient computational effort. The attack needs to be performed locally. The attack requires a high level of complexity. It is indicated that the exploitability is difficult. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 17:52 UTC
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/421677 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/421677/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-112029 | third-party-advisory |
| https://vuldb.com/submit/1008077 | third-party-advisory |
| https://github.com/diem-project/diem/issues/452 | exploitissue-tracking |
| https://github.com/diem-project/diem/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| diem-project | diem |
Affected:
5.1.0
Affected: 5.1.1 Affected: 5.1.2 Affected: 5.1.3 cpe:2.3:a:diem-project:diem:*:*:*:*:*:*:*:* |
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CVE-2026-112026 (GCVE-0-2026-112026)
Vulnerability from cvelistv5 – Published: 2026-10-18 22:15 – Updated: 2026-10-22 02:23
VLAI
EPSS
VEX
Title
light0011 cms UserModel.class.php sha1 weak password hash
Summary
A security vulnerability has been detected in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. Affected is the function sha1 of the file App/Home/Model/UserModel.class.php. The manipulation of the argument Password leads to password hash with insufficient computational effort. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is told to be difficult. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-22 02:23 UTC
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/421674 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/421674/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-112026 | third-party-advisory |
| https://vuldb.com/submit/1008071 | third-party-advisory |
| https://github.com/light0011/cms/issues/14 | exploitissue-tracking |
| https://github.com/light0011/cms/ | product |
Impacted products
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CVE-2026-105156 (GCVE-0-2026-105156)
Vulnerability from cvelistv5 – Published: 2026-10-04 12:30 – Updated: 2026-10-05 15:46
VLAI
EPSS
VEX
Title
YzmCMS MD5 system.func.php password weak password hash
Summary
A weakness has been identified in YzmCMS up to 7.6. Impacted is the function Password of the file /common/function/system.func.php of the component MD5 Handler. Executing a manipulation of the argument pass can lead to password hash with insufficient computational effort. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is considered difficult. The exploit has been made available to the public and could be used for attacks. The vendor kindly explains: "Our regular release cycle is about 6 months. The last release was in the previous month, and our next scheduled version will be released in March 2027. We will implement the backward-compatible gradual hash migration feature in this upcoming release. (...) Before the new version is available, we will publish security mitigation guidance on our official documentation for existing deployers to reduce the risk."
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 15:44 UTC
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/413375 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/413375/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-105156 | third-party-advisory |
| https://vuldb.com/submit/953155 | third-party-advisory |
| https://github.com/Witiers/CVEs/issues/6 | exploitissue-tracking |
Impacted products
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CVE-2026-102219 (GCVE-0-2026-102219)
Vulnerability from cvelistv5 – Published: 2026-11-10 18:20 – Updated: 2026-11-13 18:08
VLAI
EPSS
VEX
Title
Windows Modern Device Management (MDM) Remote Code Execution Vulnerability
Summary
Inadequate encryption strength in Windows Modern Device Management (MDM) allows an unauthorized attacker to execute code over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-10 21:18 UTC
CWE
- CWE-326 - Inadequate Encryption Strength
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
14 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 10 Version 1809 |
Affected:
10.0.17763.0 , < 10.0.17763.9487
(custom)
|
|
| Microsoft | Windows 10 Version 21H2 |
Affected:
10.0.19044.0 , < 10.0.19044.7846
(custom)
|
|
| Microsoft | Windows 10 Version 22H2 |
Affected:
10.0.19045.0 , < 10.0.19045.7846
(custom)
|
|
| Microsoft | Windows 11 version 23H2 |
Affected:
10.0.22631.0 , < 10.0.22631.7711
(custom)
|
|
| Microsoft | Windows 11 Version 23H2 |
Affected:
10.0.22631.0 , < 10.0.22631.7711
(custom)
|
|
| Microsoft | Windows 11 Version 24H2 |
Affected:
10.0.26100.0 , < 10.0.26100.9974
(custom)
|
|
| Microsoft | Windows 11 Version 25H2 |
Affected:
10.0.26200.0 , < 10.0.26200.9974
(custom)
|
|
| Microsoft | Windows 11 version 26H1 |
Affected:
10.0.28000.0 , < 10.0.28000.3501
(custom)
|
|
| Microsoft | Windows 11 Version 26H2 |
Affected:
10.0.26300.0 , < 10.0.26300.9974
(custom)
|
|
| Microsoft | Windows Server 2019 |
Affected:
10.0.17763.0 , < 10.0.17763.9487
(custom)
|
|
| Microsoft | Windows Server 2019 (Server Core installation) |
Affected:
10.0.17763.0 , < 10.0.17763.9487
(custom)
|
|
| Microsoft | Windows Server 2022 |
Affected:
10.0.20348.0 , < 10.0.20348.5870
(custom)
|
|
| Microsoft | Windows Server 2025 |
Affected:
10.0.26100.0 , < 10.0.26100.33822
(custom)
|
|
| Microsoft | Windows Server 2025 (Server Core installation) |
Affected:
10.0.26100.0 , < 10.0.26100.33822
(custom)
|
Date Public
2026-11-10 16:00
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CVE-2026-91892 (GCVE-0-2026-91892)
Vulnerability from cvelistv5 – Published: 2026-11-11 18:08 – Updated: 2026-11-13 17:25
VLAI
EPSS
VEX
Summary
Dell Terraform Provider for PowerFlex, versions prior to 1.9.0, contains a vulnerability that may permit the use of deprecated cryptographic protocols during secure communications. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to information exposure.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-13 17:24 UTC
CWE
- CWE-326 - Inadequate Encryption Strength
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-in/00051543… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | Terraform Provider for PowerFlex |
Affected:
0 , < 1.9.0 or later
(semver)
|
Date Public
2026-11-06 06:30
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CVE-2026-86670 (GCVE-0-2026-86670)
Vulnerability from cvelistv5 – Published: 2026-09-08 17:30 – Updated: 2026-09-08 18:19
VLAI
EPSS
VEX
Title
aircheng-org iWebShop-5 Authentication Storage admin.php weak password hash
Summary
A flaw has been found in aircheng-org iWebShop-5 up to 5.15. This impacts an unknown function of the file controllers/admin.php of the component Authentication Storage. Executing a manipulation of the argument Password can lead to password hash with insufficient computational effort. It is possible to launch the attack remotely. A high complexity level is associated with this attack. The exploitability is said to be difficult. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 18:18 UTC
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/399761 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/399761/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-86670 | third-party-advisory |
| https://vuldb.com/submit/908928 | third-party-advisory |
| https://github.com/aircheng-org/iWebShop-5/issues/7 | exploitissue-tracking |
| https://github.com/aircheng-org/iWebShop-5/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| aircheng-org | iWebShop-5 |
Affected:
5.0
Affected: 5.1 Affected: 5.2 Affected: 5.3 Affected: 5.4 Affected: 5.5 Affected: 5.6 Affected: 5.7 Affected: 5.8 Affected: 5.9 Affected: 5.10 Affected: 5.11 Affected: 5.12 Affected: 5.13 Affected: 5.14 Affected: 5.15 cpe:2.3:a:aircheng-org:iwebshop-5:*:*:*:*:*:*:*:* |
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CVE-2026-83885 (GCVE-0-2026-83885)
Vulnerability from cvelistv5 – Published: 2026-10-13 18:59 – Updated: 2026-11-10 20:36
VLAI
EPSS
VEX
Title
Windows Virtualization-Based Security (VBS) Enclave Spoofing Vulnerability
Summary
Inadequate encryption strength in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to perform spoofing locally.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 22:16 UTC
CWE
- CWE-326 - Inadequate Encryption Strength
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 11 Version 24H2 |
Affected:
10.0.26100.0 , < 10.0.26100.9711
(custom)
|
|
| Microsoft | Windows 11 Version 25H2 |
Affected:
10.0.26200.0 , < 10.0.26200.9711
(custom)
|
|
| Microsoft | Windows 11 version 26H1 |
Affected:
10.0.28000.0 , < 10.0.28000.3231
(custom)
|
|
| Microsoft | Windows 11 Version 26H2 |
Affected:
10.0.26300.0 , < 10.0.26300.9711
(custom)
|
|
| Microsoft | Windows Server 2022 |
Affected:
10.0.20348.0 , < 10.0.20348.5761
(custom)
|
|
| Microsoft | Windows Server 2025 |
Affected:
10.0.26100.0 , < 10.0.26100.33650
(custom)
|
|
| Microsoft | Windows Server 2025 (Server Core installation) |
Affected:
10.0.26100.0 , < 10.0.26100.33650
(custom)
|
Date Public
2026-10-13 14:00
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Mitigation
Architecture and Design
Use an encryption scheme that is currently considered to be strong by experts in the field.
CAPEC-112: Brute Force
In this attack, some asset (information, functionality, identity, etc.) is protected by a finite secret value. The attacker attempts to gain access to this asset by using trial-and-error to exhaustively explore all the possible secret values in the hope of finding the secret (or a value that is functionally equivalent) that will unlock the asset.
CAPEC-192: Protocol Analysis
An adversary engages in activities to decipher and/or decode protocol information for a network or application communication protocol used for transmitting information between interconnected nodes or systems on a packet-switched data network. While this type of analysis involves the analysis of a networking protocol inherently, it does not require the presence of an actual or physical network.
CAPEC-20: Encryption Brute Forcing
An attacker, armed with the cipher text and the encryption algorithm used, performs an exhaustive (brute force) search on the key space to determine the key that decrypts the cipher text to obtain the plaintext.