Common Weakness Enumeration
CWE-862
Allowed-with-ReviewMissing Authorization
Abstraction: Class · Status: Incomplete
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
16453 vulnerabilities reference this CWE, most recent first.
CVE-2026-73608 (GCVE-0-2026-73608)
Vulnerability from cvelistv5 – Published: 2026-08-13 11:28 – Updated: 2026-08-14 16:52
VLAI
EPSS
VEX
Title
SiYuan before v3.7.4 Authorization Bypass via getAttributeViewSearchTarget
Summary
SiYuan's development branch (endpoint introduced by commit 9b8e8956f, not present in v3.7.3 or master, patched in v3.7.4) contains a missing-authorization vulnerability in the /api/av/getAttributeViewSearchTarget endpoint. The route is registered with CheckAuth only and performs no authorization checks (no CheckReadonly, no publish-access or encrypted-notebook gating). Given a database identifier taken from a published page and a keyword, an anonymous reader can query the endpoint to retrieve matching database row content, including rows that publish filters (FilterAttributeViewByPublishAccess) would otherwise withhold. No released stable version is affected.
Severity
8.6 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 14:53 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/siyuan-note/siyuan/security/ad… | vendor-advisory |
| https://www.vulncheck.com/advisories/siyuan-befor… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| siyuan-note | siyuan |
Affected:
0 , < 3.7.4
(semver)
Unaffected: 3.7.4 (semver) cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:* |
Date Public
2026-07-29 00:00
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CVE-2026-73607 (GCVE-0-2026-73607)
Vulnerability from cvelistv5 – Published: 2026-08-13 11:28 – Updated: 2026-08-14 22:28
VLAI
EPSS
VEX
Title
SiYuan before v3.7.4 Information Disclosure via getOutlineStorage
Summary
SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the /api/storage/getOutlineStorage endpoint that performs no authorization checks. Attackers can retrieve outline state including heading identifiers for any document by supplying its identifier, even for documents forbidden to the requester.
Severity
5.8 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 22:28 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/siyuan-note/siyuan/security/ad… | vendor-advisory |
| https://www.vulncheck.com/advisories/siyuan-befor… | third-party-advisory |
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1 product
| Vendor | Product | Version | |
|---|---|---|---|
| siyuan-note | siyuan |
Affected:
0 , < 3.7.4
(semver)
Unaffected: 3.7.4 (semver) cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:* |
Date Public
2026-07-29 00:00
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CVE-2026-73605 (GCVE-0-2026-73605)
Vulnerability from cvelistv5 – Published: 2026-08-13 11:28 – Updated: 2026-08-14 20:18
VLAI
EPSS
VEX
Title
SiYuan before v3.7.4 Path Traversal via getUniqueFilename
Summary
SiYuan versions before v3.7.4 contain a path traversal vulnerability in the getUniqueFilename endpoint that allows anonymous readers to probe filesystem existence without validation or confinement. Attackers can supply arbitrary absolute paths to determine whether files and directories exist on the host, enabling reconnaissance of the filesystem layout and installed software.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 18:30 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/siyuan-note/siyuan/security/ad… | vendor-advisory |
| https://www.vulncheck.com/advisories/siyuan-befor… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| siyuan-note | siyuan |
Affected:
0 , < 3.7.4
(semver)
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Date Public
2026-07-29 00:00
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CVE-2026-73603 (GCVE-0-2026-73603)
Vulnerability from cvelistv5 – Published: 2026-08-13 11:28 – Updated: 2026-08-14 22:27
VLAI
EPSS
VEX
Title
Flowise before 3.1.4 Credential Abuse via Text-to-Speech
Summary
Flowise before 3.1.4 fails to validate chatflow visibility in the unauthenticated text-to-speech endpoint, allowing attackers to abuse private chatflow TTS credentials. Unauthenticated attackers can generate unlimited text-to-speech audio using stored OpenAI or ElevenLabs API keys by providing a valid chatflow UUID, incurring costs on the chatflow owner's account.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 22:27 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FlowiseAI/Flowise/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/flowise-befo… | third-party-advisory |
Impacted products
Date Public
2026-07-27 00:00
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CVE-2026-73424 (GCVE-0-2026-73424)
Vulnerability from cvelistv5 – Published: 2026-08-17 17:11 – Updated: 2026-08-18 14:49
VLAI
EPSS
VEX
Title
Astro: Unauthenticated path override in the @astrojs/vercel ISR function
Summary
Astro is a web framework for content-driven websites. From 10.0.3 until 11.0.3, the Astro Vercel adapter in packages/integrations/vercel/src/serverless/entrypoint.ts accepts x_astro_path for the public /_isr function based only on the x-vercel-isr header, allowing unauthenticated GET requests to render routes protected only by Vercel edge path rules or split edge middleware. This issue is fixed in 11.0.3.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 14:48 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/withastro/astro/security/advis… | x_refsource_CONFIRM |
| https://github.com/withastro/astro/pull/17370 | x_refsource_MISC |
| https://github.com/withastro/astro/commit/3a43cf0… | x_refsource_MISC |
| https://github.com/withastro/astro/releases/tag/@… | x_refsource_MISC |
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CVE-2026-73405 (GCVE-0-2026-73405)
Vulnerability from cvelistv5 – Published: 2026-08-12 14:15 – Updated: 2026-08-12 17:10
VLAI
EPSS
VEX
Title
Authorization Bypass in SSE Pub/Sub Allows Unconfirmed Accounts to Access Stream Events in vulnerability-lookup
Summary
An authorization bypass vulnerability in Vulnerability-Lookup allowed inactive or unconfirmed accounts to subscribe to Server-Sent Events (SSE) streams through the /pubsub/subscribe/<topic> endpoint.
The token_required decorator used by the Pub/Sub interface authenticated requests solely by matching the X-API-KEY header against an existing user API key. Unlike the REST API authentication mechanism, it did not verify the account's is_active and is_confirmed state.
Because the self-registration process issues an API key before account confirmation is completed, an attacker could create an account and immediately use the resulting API key to access Pub/Sub topics that should only be available to active, confirmed users. This could expose stream events that would otherwise be inaccessible through the REST API, including newly submitted or not-yet-moderated data such as comments.
The vulnerability results from inconsistent authorization enforcement between the REST API and the SSE streaming interface.
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-12 17:10 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/vulnerability-lookup/vulnerabi… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| vulnerability-lookup | vulnerability-lookup |
Affected:
0 , ≤ 5.5.1
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CVE-2026-73404 (GCVE-0-2026-73404)
Vulnerability from cvelistv5 – Published: 2026-08-18 14:00 – Updated: 2026-08-18 19:48
VLAI
EPSS
VEX
Title
WordPress MasterStudy LMS plugin <= 3.7.41 - Broken Access Control vulnerability
Summary
Subscriber Broken Access Control in MasterStudy LMS <= 3.7.41 versions.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 19:37 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Stylemix | MasterStudy LMS |
Affected:
n/a , ≤ 3.7.41
(custom)
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CVE-2026-73403 (GCVE-0-2026-73403)
Vulnerability from cvelistv5 – Published: 2026-08-13 13:37 – Updated: 2026-08-13 15:33
VLAI
EPSS
VEX
Title
WordPress User Registration plugin <= 5.2.6 - Broken Access Control vulnerability
Summary
Unauthenticated Broken Access Control in User Registration <= 5.2.6 versions.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 14:56 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wpeverest | User Registration |
Affected:
n/a , ≤ 5.2.6
(custom)
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CVE-2026-73401 (GCVE-0-2026-73401)
Vulnerability from cvelistv5 – Published: 2026-08-13 13:37 – Updated: 2026-08-13 15:45
VLAI
EPSS
VEX
Title
WordPress InstaWP Connect plugin <= 0.1.3.7 - Broken Access Control vulnerability
Summary
Unauthenticated Broken Access Control in InstaWP Connect <= 0.1.3.7 versions.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 14:29 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| InstaWP | InstaWP Connect |
Affected:
n/a , ≤ 0.1.3.7
(custom)
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CVE-2026-73394 (GCVE-0-2026-73394)
Vulnerability from cvelistv5 – Published: 2026-08-19 12:38 – Updated: 2026-08-19 15:38
VLAI
EPSS
VEX
Title
WordPress Stitch Express plugin <= 1.9.0 - Broken Access Control vulnerability
Summary
Unauthenticated Broken Access Control in Stitch Express <= 1.9.0 versions.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-19 15:37 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
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| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Stitchexpress | Stitch Express |
Affected:
n/a , ≤ 1.9.0
(custom)
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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.
CAPEC-665: Exploitation of Thunderbolt Protection Flaws
An adversary leverages a firmware weakness within the Thunderbolt protocol, on a computing device to manipulate Thunderbolt controller firmware in order to exploit vulnerabilities in the implementation of authorization and verification schemes within Thunderbolt protection mechanisms. Upon gaining physical access to a target device, the adversary conducts high-level firmware manipulation of the victim Thunderbolt controller SPI (Serial Peripheral Interface) flash, through the use of a SPI Programing device and an external Thunderbolt device, typically as the target device is booting up. If successful, this allows the adversary to modify memory, subvert authentication mechanisms, spoof identities and content, and extract data and memory from the target device. Currently 7 major vulnerabilities exist within Thunderbolt protocol with 9 attack vectors as noted in the Execution Flow.