Common Weakness Enumeration

CWE-843

Allowed

Access of Resource Using Incompatible Type ('Type Confusion')

Abstraction: Base · Status: Incomplete

The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

1123 vulnerabilities reference this CWE, most recent first.

CVE-2026-16919 (GCVE-0-2026-16919)

Vulnerability from cvelistv5 – Published: 2026-08-19 19:57 – Updated: 2026-08-27 16:24
VLAI
Title
Vulnerabilities in IBM AIX and PowerVM VIOS
Summary
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to improper validation of network-supplied pointers.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 03:57 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
References
URL Tags
https://www.ibm.com/support/pages/node/7283858 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM AIX Affected: 7.2
Affected: 7.3
    cpe:2.3:a:ibm:aix:7.2:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:aix:7.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:aix:7.3:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:aix:7.3.0:*:*:*:*:*:*:*
Create a notification for this product.
IBM PowerVM VIOS Affected: 4.1
    cpe:2.3:a:ibm:powervm_vios:4.1:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:powervm_vios:4.1.0:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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On AIX, Live Update can be used to avoid a reboot.\u003c/p\u003e\u003cp\u003e\u00a0IBM has assigned the following AIX Service Packs (SPs) and VIOS Fix Packs (FPs) as the remediation levels for the published vulnerabilities.\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003ccolgroup\u003e\u003ccol/\u003e\u003ccol/\u003e\u003c/colgroup\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eAIX Level\u00a0\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003eService Pack\u003c/strong\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eAIX 7.3 TL04\u003c/td\u003e\u003ctd\u003eSP2\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eAIX 7.3 TL03\u003c/td\u003e\u003ctd\u003eSP3\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eAIX 7.3 TL02\u003c/td\u003e\u003ctd\u003eSP5\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eAIX 7.2 TL05\u00a0\u003c/td\u003e\u003ctd\u003eSP13\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cp\u003e\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003ccolgroup\u003e\u003ccol/\u003e\u003ccol/\u003e\u003c/colgroup\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003ePowerVM VIOS Level\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003eFix Pack\u003c/strong\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eVIOS 4.1.2\u00a0\u003c/td\u003e\u003ctd\u003e4.1.2.20\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eVIOS 4.1.1\u00a0\u003c/td\u003e\u003ctd\u003e4.1.1.30\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eVIOS 4.1.0\u00a0\u00a0\u003c/td\u003e\u003ctd\u003e4.1.0.50\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c/strong\u003e These SPs/FPs are cumulative and include fixes for all previously published AIX/VIOS security vulnerabilities. They can be applied on top of any earlier affected level of the TL .\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c/strong\u003e To apply these patches using nimsh secure, special steps must be taken as the protocol between master and client is updated to be more secure. Please read this article:\u003cbr/\u003e\u003ca href=\"https://www.ibm.com/support/pages/node/7283157\" rel=\"nofollow\"\u003ehttps://www.ibm.com/support/pages/node/7283157\u003c/a\u003e\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c/strong\u003e For VIOS 4.1.0 and VIOS 4.1.1, additional steps are required to migrate to the latest Postgres15 after applying the 4.1.1.30 or 4.1.0.50 FPs above. Instructions to do that can be found here:\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\u003c/p\u003e\u003cp\u003e\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 4.1.0.50 post-update instructions: \u003ca href=\"https://www.ibm.com/support/pages/node/7283819\" rel=\"nofollow\"\u003ehttps://www.ibm.com/support/pages/node/7283819\u003c/a\u003e\u003cbr/\u003e\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 4.1.1.30 post-update instructions: \u003ca href=\"https://www.ibm.com/support/pages/node/7283823\" rel=\"nofollow\"\u003ehttps://www.ibm.com/support/pages/node/7283823\u003c/a\u003e\u003c/p\u003e\u003cp\u003e\u003c/p\u003e"
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CVE-2026-16239 (GCVE-0-2026-16239)

Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-29 23:07
VLAI
Title
PostgreSQL type confusion in cursor CLOSE + DECLARE executes arbitrary code
Summary
Type confusion in PostgreSQL "portal"/cursor lifecycle allows a user to execute arbitrary code as the operating system user running the database, via re-creation of a cursor or other portal with different types. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 00:00 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Impacted products
Vendor Product Version
n/a PostgreSQL Affected: 18 , < 18.6 (rpm)
Affected: 17 , < 17.11 (rpm)
Affected: 16 , < 16.15 (rpm)
Affected: 15 , < 15.19 (rpm)
Affected: 0 , < 14.24 (rpm)
Show details on NVD website

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CVE-2026-16238 (GCVE-0-2026-16238)

Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-29 23:07
VLAI
Title
PostgreSQL type confusion in pg_restore_attribute_stats() executes arbitrary code
Summary
Type confusion in PostgreSQL pg_restore_attribute_stats() allows an object creator to execute arbitrary code as the operating system user running the database, via conflation of range and multirange values. Within major version 18, minor versions before PostgreSQL 18.6 are affected. Versions before PostgreSQL 18 are unaffected.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 00:00 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Impacted products
Vendor Product Version
n/a PostgreSQL Affected: 18 , < 18.6 (rpm)
Show details on NVD website

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CVE-2026-15572 (GCVE-0-2026-15572)

Vulnerability from cvelistv5 – Published: 2026-08-05 15:09 – Updated: 2026-08-05 18:42
VLAI
Title
Keycloak-services: keycloak-services: dcr protocol mapper type-swap policy bypass allows privilege escalation
Summary
A flaw was found in Keycloak's Dynamic Client Registration (DCR) security policy management. The "Allowed Protocol Mapper Types" policy, which restricts which types of data mappers a client can use, fails to re-validate the mapper type during a client update if the mapper's configuration remains unchanged. An attacker with client registration privileges can exploit this by first registering an allowed mapper type with a malicious configuration and then swapping it for a restricted, high-privilege mapper type (such as one that hardcodes administrative roles). This allows the attacker to gain full administrative access to the Keycloak realm.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 18:11 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:50846 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:50847 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:50848 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:50849 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-15572 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2499592 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat build of Keycloak 26.4 Unaffected: 26.4.14-1 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.4::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.4 Unaffected: 26.4-22 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.4::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.4.14     cpe:/a:redhat:build_keycloak:26.4::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.6 Unaffected: 26.6.5-1 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.6::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.6 Unaffected: 26.6-11 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.6::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.6.5     cpe:/a:redhat:build_keycloak:26.6::el9
Create a notification for this product.
Date Public
2026-08-05 02:02
Show details on NVD website

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CVE-2026-14680 (GCVE-0-2026-14680)

Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-29 23:07
VLAI
Title
PostgreSQL type confusion via "internal" arguments
Summary
Type confusion with PostgreSQL "internal" data type arguments allows any user to execute arbitrary code as the operating system user running the database, via calls to functions with that argument type. Type "internal" represents a class of mutually-incompatible data structures not intended for access from SQL. The system intended to prevent such function calls, but this prevention had gaps. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 00:00 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Impacted products
Vendor Product Version
n/a PostgreSQL Affected: 18 , < 18.6 (rpm)
Affected: 17 , < 17.11 (rpm)
Affected: 16 , < 16.15 (rpm)
Affected: 15 , < 15.19 (rpm)
Affected: 0 , < 14.24 (rpm)
Show details on NVD website

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CVE-2026-14671 (GCVE-0-2026-14671)

Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-29 23:07
VLAI
Title
PostgreSQL refint plan cache type confusion executes arbitrary code
Summary
Type confusion in PostgreSQL module "refint" allows an object creator to execute arbitrary code as the operating system user running the database. The fix for this emerged as a non-security bug report, and the fix appear in the git repository with subject "refint: Remove plan cache.", without a CVE number. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 00:00 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Impacted products
Vendor Product Version
n/a PostgreSQL Affected: 18 , < 18.6 (rpm)
Affected: 17 , < 17.11 (rpm)
Affected: 16 , < 16.15 (rpm)
Affected: 15 , < 15.19 (rpm)
Affected: 0 , < 14.24 (rpm)
Show details on NVD website

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CVE-2026-14668 (GCVE-0-2026-14668)

Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-29 23:07
VLAI
Title
PostgreSQL ctid type confusion in selectivity estimator discloses derivative of arbitrary read
Summary
Type confusion regarding input of PostgreSQL ctid data type selectivity estimator allows an object creator to view a calculation derived from the value of an arbitrary 4-byte span of memory, via a chosen non-ctid input. While the calculation loses precision, substantial memory value recovery appears possible. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 14:53 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Impacted products
Vendor Product Version
n/a PostgreSQL Affected: 18 , < 18.6 (rpm)
Affected: 17 , < 17.11 (rpm)
Affected: 16 , < 16.15 (rpm)
Affected: 15 , < 15.19 (rpm)
Affected: 0 , < 14.24 (rpm)
Show details on NVD website

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CVE-2026-14644 (GCVE-0-2026-14644)

Vulnerability from cvelistv5 – Published: 2026-08-07 16:07 – Updated: 2026-08-08 03:55
VLAI
Title
Nexus Repository 3 - Privilege Escalation
Summary
Nexus Repository 3 contained a privilege escalation vulnerability in the REST privileges API. An authenticated user with permission to manage privileges could, under certain role configurations, escalate their own access to full administrator by exploiting a type-confusion flaw in the privilege update endpoint.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-07 00:00 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Impacted products
Vendor Product Version
Sonatype Nexus Repository 3 Affected: 3.19.0 , < 3.95.0 (semver)
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CVE-2026-13066 (GCVE-0-2026-13066)

Vulnerability from cvelistv5 – Published: 2026-07-22 19:17 – Updated: 2026-07-23 14:23
VLAI
Title
Server-Side JavaScript DBPointer BSON Serialization Memory Disclosure
Summary
Improper handling of DBPointer objects during BSON serialization in MongoDB's server-side JavaScript engine can result in internal process memory contents being included in data returned to the client. This constitutes an unintended information disclosure affecting deployments that use server-side JavaScript.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-23 14:23 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
References
Impacted products
Vendor Product Version
MongoDB MongoDB Server Affected: 7.0 , < 7.0.39 (semver)
Affected: 8.0 , < 8.0.28 (semver)
Affected: 8.2.0 , < 8.2.12 (semver)
Affected: 8.3.0 , < 8.3.7 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-12390 (GCVE-0-2026-12390)

Vulnerability from cvelistv5 – Published: 2026-06-18 18:30 – Updated: 2026-06-18 18:42
VLAI
Title
Access of resource using incompatible type ('type confusion') in AzeoTech DAQFactory
Summary
In AzeoTech DAQFactory versions 21.1 and prior, a Type Confusion vulnerability can be exploited by an attacker using specially crafted .ctl files which can result in code execution.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-18 18:42 UTC
CWE
  • CWE-843 - Access of resource using incompatible type ('type confusion')
References
Impacted products
Vendor Product Version
AzeoTech DAQFactory Affected: 0 , ≤ 21.1 (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.