Common Weakness Enumeration
CWE-863
Allowed-with-ReviewIncorrect Authorization
Abstraction: Class · Status: Incomplete
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
6263 vulnerabilities reference this CWE, most recent first.
CVE-2026-62927 (GCVE-0-2026-62927)
Vulnerability from cvelistv5 – Published: 2026-08-04 11:57 – Updated: 2026-08-04 15:02
VLAI
EPSS
VEX
Summary
In Eclipse Milo versions 1.0.0 through 1.1.4, the Call service dispatches the original mixed batch to address-space handlers after calculating authorization, allowing an anonymous or otherwise low-privileged client to execute a denied method by batching it with an allowed method.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-04 14:28 UTC
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | Eclipse Milo |
Affected:
1.0.0 , < 1.1.5
(semver)
|
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CVE-2026-62904 (GCVE-0-2026-62904)
Vulnerability from cvelistv5 – Published: 2026-08-28 17:43 – Updated: 2026-08-31 20:06
VLAI
EPSS
VEX
Title
Microsoft Edge (Chromium-based) Information Disclosure Vulnerability
Summary
Incorrect authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 15:21 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft Edge (Chromium-based) |
Affected:
1.0.0.0 , < 152.0.4191.53
(custom)
cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:* |
Date Public
2026-08-28 14:00
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CVE-2026-62872 (GCVE-0-2026-62872)
Vulnerability from cvelistv5 – Published: 2026-08-11 17:06 – Updated: 2026-08-31 20:07
VLAI
EPSS
VEX
Title
.NET Framework Elevation of Privilege Vulnerability
Summary
Incorrect authorization in .NET Framework allows an authorized attacker to elevate privileges over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 00:00 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft .NET Framework 3.5 |
Affected:
3.5.0 , < 2.0.50727.9183 & 3.0.30729.9169
(custom)
|
|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 |
Affected:
3.0.0.0 , < 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0
(custom)
|
|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 |
Affected:
4.7.0 , < 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0
(custom)
|
|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 |
Affected:
4.8.0 , < 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0
(custom)
|
|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 |
Affected:
4.8.1 , < 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0
(custom)
|
|
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 |
Affected:
4.7.0 , < 4.7.4144.0
(custom)
|
|
| Microsoft | Microsoft .NET Framework 4.8 |
Affected:
4.8.0 , < 4.8.4805.0
(custom)
|
|
| Microsoft | Microsoft .NET Framework 4.8.1 |
Affected:
4.8.0.0 , < 4.8.9344.0
(custom)
|
Date Public
2026-08-11 14:00
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CVE-2026-62775 (GCVE-0-2026-62775)
Vulnerability from cvelistv5 – Published: 2026-08-11 17:06 – Updated: 2026-08-31 20:06
VLAI
EPSS
VEX
Title
Windows Container Isolation FS Filter Driver (unionfs.sys) Information Disclosure Vulnerability
Summary
Incorrect authorization in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 20:38 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 11 version 26H1 |
Affected:
10.0.28000.0 , < 10.0.28000.2704
(custom)
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CVE-2026-62683 (GCVE-0-2026-62683)
Vulnerability from cvelistv5 – Published: 2026-07-15 15:40 – Updated: 2026-07-15 18:02
VLAI
EPSS
VEX
Title
File Browser: Trailing-slash delete leaves a stale public share behind
Summary
File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.17, File Browser can leave a public directory share behind when the shared directory is deleted through a path with a trailing slash because the share cleanup path calls DeleteWithPathPrefix(file.Path, userID) and the Bolt backend performs the database prefix query with the unnormalized path before trimming the slash for boundary checks, so deleting /a/ does not delete the stored /a share and the stale public share exposes future content if the same path is recreated. This issue is fixed in version 2.63.17.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 18:02 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | x_refsource_CONFIRM |
| https://github.com/filebrowser/filebrowser/commit… | x_refsource_MISC |
| https://github.com/filebrowser/filebrowser/releas… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
< 2.63.17
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CVE-2026-62420 (GCVE-0-2026-62420)
Vulnerability from cvelistv5 – Published: 2026-08-12 19:12 – Updated: 2026-08-12 19:27
VLAI
EPSS
VEX
Title
Cross-project cluster migration bypasses project restrictions via cluster notification flag
Summary
An authorization bypass vulnerability in LXD allows an authenticated attacker to bypass target project security restrictions during cross-project instance migrations. When moving an instance cross-project to a different cluster member via POST /1.0/instances/{name} with migration: true, project: <target>, and target: <member>, the destination node skips all project restriction checks because the request arrives as an internal cluster notification. An attacker can exploit this to introduce disallowed instance configurations into a restricted project.
Severity
9.9 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-12 19:26 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/canonical/lxd/security/advisor… | vdb-entryvendor-advisory |
| https://github.com/canonical/lxd/pull/18651 | patch |
| https://github.com/canonical/lxd/pull/18605 | patch |
Impacted products
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CVE-2026-62382 (GCVE-0-2026-62382)
Vulnerability from cvelistv5 – Published: 2026-08-22 12:26 – Updated: 2026-08-31 16:54
VLAI
EPSS
VEX
Title
PasswordPusher before v2.9.6 Authentication Bypass via Null Comparison
Summary
PasswordPusher versions v1.45.11 through v2.9.5 contain an improper authorization vulnerability in the push deletion logic. The ownership check compares @push.user against current_user; for an anonymously created push both values are nil, and Ruby evaluates nil == nil as true, so the check passes and the deletable_by_viewer restriction is never enforced. An attacker who knows only the secret URL can permanently delete an anonymous push even when the creator disabled viewer deletion and even without the passphrase. Only deployments that allow anonymous pushes (the default) are affected. The issue is fixed in v2.9.6.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 19:23 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/pglombardo/PasswordPusher/secu… | vendor-advisory |
| https://tpaidakis.com/writeups/passwordpusher-nil… | technical-descriptionexploit |
| https://www.vulncheck.com/advisories/passwordpush… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pglombardo | PasswordPusher |
Affected:
0 , < 2.9.6
(semver)
Unaffected: 2.9.6 (semver) |
Date Public
2026-08-07 00:00
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CVE-2026-62354 (GCVE-0-2026-62354)
Vulnerability from cvelistv5 – Published: 2026-08-03 19:57 – Updated: 2026-08-05 03:57
VLAI
EPSS
VEX
Title
Apache NiFi: Incorrect Authorization for Parameter Context Validation Requests
Summary
Authorization handling for Parameter Context validation requests in Apache NiFi 1.10.0 through 2.10.0 allows clients with read access to submit proposed Parameter values. The proposed values override current configuration, enabling users with read access to invoke predefined component validation methods with alternative settings. Apache NiFi installations that do not implement different levels of authorization for viewing and modifying Parameter Context configuration are not subject to this vulnerability. Upgrading to Apache NiFi 2.11.0 is the recommended mitigation, requiring write access to submit Parameter Context validation requests.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-04 00:00 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/l17xcnnf1rm7qljmy… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache NiFi |
Affected:
1.10.0 , ≤ 2.10.0
(semver)
|
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CVE-2026-62323 (GCVE-0-2026-62323)
Vulnerability from cvelistv5 – Published: 2026-07-31 03:43 – Updated: 2026-07-31 19:28
VLAI
EPSS
VEX
Title
Cloudreve: Unauthorized file write via WOPI view sessions whose access token secret is ignored
Summary
Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, ViewerSessionValidation uses only the session-id prefix of a WOPI access token and does not enforce the requested viewer action, allowing a malicious or compromised WOPI viewer with a view session to forge the token suffix and invoke WOPI write routes for the underlying file. This issue is fixed in version 4.17.0.
Severity
6.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-31 19:27 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/cloudreve/cloudreve/security/a… | x_refsource_CONFIRM |
| https://github.com/cloudreve/cloudreve/commit/f33… | x_refsource_MISC |
| https://github.com/cloudreve/cloudreve/releases/t… | x_refsource_MISC |
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CVE-2026-62313 (GCVE-0-2026-62313)
Vulnerability from cvelistv5 – Published: 2026-08-21 14:44 – Updated: 2026-08-26 17:27
VLAI
EPSS
VEX
Title
Incus: Project restriction `restricted.containers.privilege=isolated` bypassable by omitting `security.idmap.isolated`
Summary
Incus is a system container and virtual machine manager. Prior to version 7.3.0, project-level enforcement of `restricted.containers.privilege=isolated` can be trivially bypassed, allowing a user to create a non-isolated (shared host idmap) container in a project that is configured to forbid them. The restriction only rejects an explicitly set `security.idmap.isolated=false` (or empty) and fails to enforce anything when the key is omitted entirely. Because an unset `security.idmap.isolated` defaults to `false` (non-isolation), a user simply leaves the key out and obtains exactly the container state the restriction is meant to forbid. This defeats the tenant-isolation guarantee the restriction exists to provide. Containers in the project share the host uid/gid map instead of receiving unique, non-overlapping ranges, weakening the isolation boundary between co-tenant containers and the host. Version 7.3.0 patches the issue.
Severity
4.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 17:26 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/lxc/incus/security/advisories/… | x_refsource_CONFIRM |
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Mitigation
Architecture and Design
- Divide the product into anonymous, normal, privileged, and administrative areas. Reduce the attack surface by carefully mapping roles with data and functionality. Use role-based access control (RBAC) [REF-229] to enforce the roles at the appropriate boundaries.
- Note that this approach may not protect against horizontal authorization, i.e., it will not protect a user from attacking others with the same role.
Mitigation
Architecture and Design
Ensure that access control checks are performed related to the business logic. These checks may be different than the access control checks that are applied to more generic resources such as files, connections, processes, memory, and database records. For example, a database may restrict access for medical records to a specific database user, but each record might only be intended to be accessible to the patient and the patient's doctor [REF-7].
Mitigation MIT-4.4
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, consider using authorization frameworks such as the JAAS Authorization Framework [REF-233] and the OWASP ESAPI Access Control feature [REF-45].
Mitigation
Architecture and Design
- For web applications, make sure that the access control mechanism is enforced correctly at the server side on every page. Users should not be able to access any unauthorized functionality or information by simply requesting direct access to that page.
- One way to do this is to ensure that all pages containing sensitive information are not cached, and that all such pages restrict access to requests that are accompanied by an active and authenticated session token associated with a user who has the required permissions to access that page.
Mitigation
System Configuration
Installation
Use the access control capabilities of your operating system and server environment and define your access control lists accordingly. Use a "default deny" policy when defining these ACLs.
No CAPEC attack patterns related to this CWE.