Common Weakness Enumeration

CWE-606

Allowed

Unchecked Input for Loop Condition

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product does not properly check inputs that are used for loop conditions, potentially leading to a denial of service or other consequences because of excessive looping.

68 vulnerabilities reference this CWE, most recent first.

CVE-2026-71439 (GCVE-0-2026-71439)

Vulnerability from cvelistv5 – Published: 2026-08-06 20:01 – Updated: 2026-08-07 17:09
VLAI
Title
Mermaid radar diagrams are vulnerable to DoS
Summary
Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. From version 11.6.0 until 11.16.1, Mermaid Radar Diagrams allow arbitrary large values for the ticks parameter, which can cause high CPU usage and freeze the rendering webpage or JavaScript process for long periods of time, potentially until the process is killed from memory exhaustion. This issue is fixed in version 11.16.1.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-07 15:26 UTC
CWE
  • CWE-606 - Unchecked Input for Loop Condition
  • CWE-1322 - Use of Blocking Code in Single-threaded, Non-blocking Context
Assigner
References
Impacted products
Vendor Product Version
mermaid-js mermaid Affected: >= 11.6.0, < 11.16.1
Create a notification for this product.
Show details on NVD website
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CVE-2026-68077 (GCVE-0-2026-68077)

Vulnerability from cvelistv5 – Published: 2026-08-05 05:41 – Updated: 2026-08-06 15:13
VLAI
Title
Apache Qpid Broker-J: Unbounded disposition range handling can lead to denial of service
Summary
An authenticated attacker can craft a disposition frame with large or illegal ranges causing excessive CPU usage due to naive range handling, leading to denial of service. This issue affects Apache Qpid Broker-J: through 10.0.1. Users are recommended to upgrade to version 10.1.0, which fixes the issue.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 15:13 UTC
CWE
  • CWE-606 - Unchecked Input for Loop Condition
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Qpid Broker-J Affected: 0 , ≤ 10.0.1 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-67554 (GCVE-0-2026-67554)

Vulnerability from cvelistv5 – Published: 2026-08-05 05:41 – Updated: 2026-08-05 15:44
VLAI
Title
Apache Qpid Proton Dotnet: Unbounded disposition range handling can lead to denial of service
Summary
An authenticated attacker can craft a disposition frame with large or illegal ranges causing excessive CPU usage due to naive range handling, leading to denial of service. This issue affects Apache Qpid Proton-Dotnet: through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 15:44 UTC
CWE
  • CWE-606 - Unchecked Input for Loop Condition
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-66276 (GCVE-0-2026-66276)

Vulnerability from cvelistv5 – Published: 2026-08-05 05:39 – Updated: 2026-08-06 15:14
VLAI
Title
Apache Qpid Proton-J: Unbounded disposition range handling can lead to denial of service
Summary
An authenticated attacker can craft a disposition frame with large or illegal ranges causing excessive CPU usage due to naive range handling, leading to denial of service. This issue affects Apache Qpid Proton-J: through 0.34.1. Users are recommended to upgrade to version 0.35.0, which fixes the issue.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 15:14 UTC
CWE
  • CWE-606 - Unchecked Input for Loop Condition
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Qpid Proton-J Affected: 0 , ≤ 0.34.1 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-62901 (GCVE-0-2026-62901)

Vulnerability from cvelistv5 – Published: 2026-08-11 17:04 – Updated: 2026-08-24 16:07
VLAI
Title
.NET Denial of Service Vulnerability
Summary
Unchecked input for loop condition in .NET allows an unauthorized attacker to deny service over a network.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-12 15:28 UTC
CWE
  • CWE-606 - Unchecked Input for Loop Condition
Assigner
References
Impacted products
Date Public
2026-08-11 14:00
Show details on NVD website
To clipboard 

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CVE-2026-55731 (GCVE-0-2026-55731)

Vulnerability from cvelistv5 – Published: 2026-07-24 14:00 – Updated: 2026-07-24 14:54
VLAI
Title
Loytec LINX firmware: Unchecked input for loop condition in the SNMP agent
Summary
Unchecked input for loop condition (CWE-606) in the SNMP agent in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows an unauthenticated remote attacker to cause persistent denial of service (CPU exhaustion) via a crafted SNMP GETNEXT request with a large OID component.
Severity
6.6 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-24 14:54 UTC
CWE
  • CWE-606 - Unchecked input for loop condition
Assigner
References
Impacted products
Vendor Product Version
Loytec LIP-ME20xC Affected: 0 , ≤ 8.4.16 (custom)
Create a notification for this product.
Loytec L-INX Affected: 0 , ≤ 8.4.16 (custom)
Create a notification for this product.
Loytec L-GATE Affected: 0 , ≤ 8.4.16 (custom)
Create a notification for this product.
Loytec L-ROC Affected: 0 , ≤ 8.4.16 (custom)
Create a notification for this product.
Loytec L-IOB Affected: 0 , ≤ 8.4.16 (custom)
Create a notification for this product.
Loytec L-DALI Affected: 0 , ≤ 8.4.16 (custom)
Create a notification for this product.
Loytec L-VIS Affected: 0 , ≤ 8.4.16 (custom)
Create a notification for this product.
Loytec L-PAD Affected: 0 , ≤ 8.4.16 (custom)
Create a notification for this product.
Credits
Daniel Hulliger, armasuisse CYD Campus Damian Pfammatter, armasuisse CYD Campus
Show details on NVD website
To clipboard 

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CVE-2026-41986 (GCVE-0-2026-41986)

Vulnerability from cvelistv5 – Published: 2026-06-09 06:52 – Updated: 2026-06-09 13:05
VLAI
Summary
Logic bypass vulnerability in the file system. Impact: Successful exploitation of this vulnerability may affect availability.
Severity
2.4 (Low)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-09 13:05 UTC
CWE
  • CWE-606 - Unchecked input for loop condition
Assigner
References
Impacted products
Vendor Product Version
Huawei HarmonyOS Affected: 6.1.0
Affected: 6.0.0
Affected: 5.1.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-33800 (GCVE-0-2026-33800)

Vulnerability from cvelistv5 – Published: 2026-07-09 21:03 – Updated: 2026-07-20 13:05
VLAI
Title
Junos OS: MX Series: In a VC scenario a high rate of micro-BFD session flaps will cause an FPC crash
Summary
An Unchecked Input for Loop Condition vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on MX Series allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS).Micro-BFD session flaps generate respective up/down events which are queued by PFEMAN for processing. Especially in a Virtual-Chassis (VC) scenario with locality‑bias configured, processing takes a significant amount of time for each event. If these sessions keep flapping, new events are constantly added, and in turn PFEMAN never completes processing these events. This results in the PFEMAN watchdog timer expiring, which causes the FPC to crash and restart, representing a complete service outage. This issue only affects MX series FPCs up to and including MPC9, and LC2101/2103 and LC480. It does not affect MPC10/11, LC4800/9600, and MX304. This issue affects Junos OS on MX Series: * all versions before 23.2R2-S7, * 23.4 versions before 23.4R2-S8, * 24.2 versions before 24.2R2-S4, * 24.4 versions before 24.4R2-S3, * 25.2 versions before 25.2R2.
Severity
6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.1 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-10 13:31 UTC
CWE
  • CWE-606 - Unchecked Input for Loop Condition
Assigner
References
Impacted products
Vendor Product Version
Juniper Networks Junos OS Affected: 0 , < 23.2R2-S7 (custom)
Affected: 23.4 , < 23.4R2-S8 (custom)
Affected: 24.2 , < 24.2R2-S4 (custom)
Affected: 24.4 , < 24.4R2-S3 (custom)
Affected: 25.2 , < 25.2R2 (custom)
Create a notification for this product.
Date Public
2026-07-08 16:00
Show details on NVD website
To clipboard 

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CVE-2026-27689 (GCVE-0-2026-27689)

Vulnerability from cvelistv5 – Published: 2026-03-10 00:19 – Updated: 2026-03-10 16:52
VLAI
Title
Denial of service (DOS) in SAP Supply Chain Management
Summary
Due to an uncontrolled resource consumption (Denial of Service) vulnerability, an authenticated attacker with regular user privileges and network access can repeatedly invoke a remote-enabled function module with an excessively large loop-control parameter. This triggers prolonged loop execution that consumes excessive system resources, potentially rendering the system unavailable. Successful exploitation results in a denial-of-service condition that impacts availability, while confidentiality and integrity remain unaffected.
Severity
7.7 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-10 15:35 UTC
CWE
  • CWE-606 - Unchecked Input for Loop Condition
Assigner
References
Impacted products
Vendor Product Version
SAP_SE SAP Supply Chain Management Affected: SCMAPO 713
Affected: 714
Affected: S4CORE 102
Affected: 103
Affected: 104
Affected: S4COREOP 105
Affected: 106
Affected: 107
Affected: 108
Affected: 109
Affected: SCM 700
Affected: 701
Affected: 702
Affected: 712
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-23689 (GCVE-0-2026-23689)

Vulnerability from cvelistv5 – Published: 2026-02-10 03:03 – Updated: 2026-02-27 14:27
VLAI
Title
Denial of service (DOS) in SAP Supply Chain Management
Summary
Due to an uncontrolled resource consumption (Denial of Service) vulnerability, an authenticated attacker with regular user privileges and network access can repeatedly invoke a remote-enabled function module with an excessively large loop-control parameter. This triggers prolonged loop execution that consumes excessive system resources, potentially rendering the system unavailable. Successful exploitation results in a denial-of-service condition that impacts availability, while confidentiality and integrity remain unaffected.
Severity
7.7 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-10 17:18 UTC
CWE
  • CWE-606 - Unchecked Input for Loop Condition
Assigner
References
Impacted products
Vendor Product Version
SAP_SE SAP Supply Chain Management Affected: SCMAPO 713
Affected: 714
Affected: SCM 700
Affected: 701
Affected: 702
Affected: 712
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation
Implementation

Do not use user-controlled data for loop conditions.

Mitigation
Implementation

Perform input validation.

No CAPEC attack patterns related to this CWE.

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