Common Weakness Enumeration

CWE-670

Allowed-with-Review

Always-Incorrect Control Flow Implementation

Abstraction: Class · Status: Draft

The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated.

224 vulnerabilities reference this CWE, most recent first.

CVE-2026-55624 (GCVE-0-2026-55624)

Vulnerability from cvelistv5 – Published: 2026-08-25 14:56 – Updated: 2026-08-25 18:27
VLAI
Title
MintyItanium Lost-Auction takes items like barrier blocks out from search GUI
Summary
MintyItanium Lost-Auction is an auction plugin for Minecraft. Prior to commit 88c920b05042929db334ba06d57f052b42d6b3f8, players can take items like barrier blocks or duplicate items from the GUI. Commit 88c920b05042929db334ba06d57f052b42d6b3f8 fixes the issue.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 18:27 UTC
CWE
  • CWE-670 - Always-Incorrect Control Flow Implementation
References
Impacted products
Vendor Product Version
MintyItanium Lost-Auction Affected: < 88c920b05042929db334ba06d57f052b42d6b3f8
Create a notification for this product.
Show details on NVD website

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CVE-2026-55276 (GCVE-0-2026-55276)

Vulnerability from cvelistv5 – Published: 2026-06-29 20:42 – Updated: 2026-06-30 13:59
VLAI
Title
Apache Tomcat: Logged effective web.xml is incomplete
Summary
Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty authorisation constraints were not included when the effective web.xml was logged. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119 which fixes the issue.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-30 13:59 UTC
CWE
  • CWE-670 - Always-Incorrect Control Flow Implementation
Impacted products
Vendor Product Version
Apache Software Foundation Apache Tomcat Affected: 11.0.0-M1 , ≤ 11.0.22 (semver)
Affected: 10.1.0-M1 , ≤ 10.1.55 (semver)
Affected: 9.0.0.M1 , ≤ 9.0.118 (semver)
Affected: 8.5.0 , ≤ 8.5.100 (semver)
Unaffected: 0 , < 8.0.0 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-53404 (GCVE-0-2026-53404)

Vulnerability from cvelistv5 – Published: 2026-06-29 20:39 – Updated: 2026-06-30 12:34
VLAI
Title
Apache Tomcat: Bad ornext processing in RewriteValve
Summary
Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-30 12:30 UTC
CWE
  • CWE-670 - Always-Incorrect Control Flow Implementation
Impacted products
Vendor Product Version
Apache Software Foundation Apache Tomcat Affected: 11.0.0-M1 , ≤ 11.0.22 (semver)
Affected: 10.1.0-M1 , ≤ 10.1.55 (semver)
Affected: 9.0.0.M1 , ≤ 9.0.118 (semver)
Affected: 8.5.0 , ≤ 8.5.100 (semver)
Unaffected: 0 , < 8.0.0 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-48844 (GCVE-0-2026-48844)

Vulnerability from cvelistv5 – Published: 2026-05-25 19:14 – Updated: 2026-05-26 12:48
VLAI
Summary
Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has insecure code evaluation logic in LDAP the autovalues option that could lead to code injection. (Support for code evaluation has been removed in 1.6.16 and 1.7.1.)
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 12:47 UTC
CWE
  • CWE-670 - Always-Incorrect Control Flow Implementation
Impacted products
Vendor Product Version
Roundcube Webmail Affected: 1.6.0 , < 1.6.16 (semver)
Affected: 1.7.0 , < 1.7.1 (semver)
    cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
    cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-44928 (GCVE-0-2026-44928)

Vulnerability from cvelistv5 – Published: 2026-05-08 07:15 – Updated: 2026-05-10 05:45
VLAI
Summary
In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-08 12:48 UTC
CWE
  • CWE-670 - Always-Incorrect Control Flow Implementation
References
Impacted products
Vendor Product Version
uriparser uriparser Affected: 0 , < 1.0.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-41988 (GCVE-0-2026-41988)

Vulnerability from cvelistv5 – Published: 2026-04-23 04:00 – Updated: 2026-04-23 16:22
VLAI
Summary
uuid before 14.0.0 can make unexpected writes when external output buffers are used, and the UUID version is 3, 5, or 6. In particular, UUID version 4, which is very commonly used, is unaffected by this issue.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-23 14:48 UTC
CWE
  • CWE-670 - Always-Incorrect Control Flow Implementation
Impacted products
Vendor Product Version
uuidjs uuid Affected: 0 , < 14.0.0 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-41527 (GCVE-0-2026-41527)

Vulnerability from cvelistv5 – Published: 2026-04-21 00:00 – Updated: 2026-04-22 15:35
VLAI
Summary
KDE Kleopatra before 26.08.0 on Windows allows local users to obtain the privileges of a Kleopatra user, because there is an error in the mechanism (KUniqueService) for ensuring that only one instance is running.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 12:58 UTC
CWE
  • CWE-670 - Always-Incorrect Control Flow Implementation
Impacted products
Vendor Product Version
KDE Kleopatra Affected: 0 , < 26.08.0 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-40960 (GCVE-0-2026-40960)

Vulnerability from cvelistv5 – Published: 2026-04-16 00:54 – Updated: 2026-04-16 12:31
VLAI
Summary
Luanti 5 before 5.15.2 sometimes allows unintended access to an insecure environment. If at least one mod is listed as secure.trusted_mods or secure.http_mods, then a crafted mod can intercept the request for the insecure environment or HTTP API, and also receive access to it.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-16 12:22 UTC
CWE
  • CWE-670 - Always-Incorrect Control Flow Implementation
Impacted products
Vendor Product Version
Luanti Luanti Affected: 5.0.0 , < 5.15.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-40942 (GCVE-0-2026-40942)

Vulnerability from cvelistv5 – Published: 2026-04-21 21:09 – Updated: 2026-04-22 18:11
VLAI
Title
DSF: Inverted Time Comparison in OIDC JWKS and Token Cache
Summary
The Data Sharing Framework (DSF) implements a distributed process engine based on the BPMN 2.0 and FHIR R4 standards. Prior to 2.1.0, The OIDC JWKS and Metadata Document caches used an inverted time comparison (isBefore instead of isAfter), causing the cache to never return cached values. Every incoming request triggered a fresh HTTP fetch of the OIDC Metadata Document and JWKS keys from the OIDC provider. The OIDC token cache for the FHIR client connections used an inverted time comparison (isBefore instead of isAfter), causing the cache to never invalidate. Every incoming request returned the same OIDC token even if expired. This vulnerability is fixed in 2.1.0.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 17:52 UTC
CWE
  • CWE-670 - Always-Incorrect Control Flow Implementation
Show details on NVD website

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CVE-2026-40719 (GCVE-0-2026-40719)

Vulnerability from cvelistv5 – Published: 2026-04-15 06:23 – Updated: 2026-04-15 13:22
VLAI
Summary
Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-15 13:22 UTC
CWE
  • CWE-670 - Always-Incorrect Control Flow Implementation
Impacted products
Vendor Product Version
MaraDNS MaraDNS Affected: 3.5.0036 (custom)
Create a notification for this product.
Show details on NVD website

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No mitigation information available for this CWE.

No CAPEC attack patterns related to this CWE.