Common Weakness Enumeration
CWE-639
AllowedAuthorization Bypass Through User-Controlled Key
Abstraction: Base · Status: Incomplete
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
5262 vulnerabilities reference this CWE, most recent first.
CVE-2026-100885 (GCVE-0-2026-100885)
Vulnerability from cvelistv5 – Published: 2026-09-27 22:45 – Updated: 2026-09-30 22:15 X_Open Source
VLAI
EPSS
VEX
Title
Krayin laravel-crm admin-config-setup API Endpoint CanInstall.php authorization
Summary
A vulnerability was found in Krayin laravel-crm up to 2.2.4. This affects an unknown function of the file packages/Webkul/Installer/src/Http/Middleware/CanInstall.php of the component admin-config-setup API Endpoint. The manipulation results in authorization bypass. The attack may be launched remotely. The exploit has been made public and could be used. Upgrading to version 2.2.5 mitigates this issue. The patch is identified as 89f2916b6a46ff91bd1999ce38158fa0de8b9490. Upgrading the affected component is recommended.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 22:15 UTC
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/410815 | vdb-entry |
| https://vuldb.com/vuln/410815/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-100885 | third-party-advisory |
| https://vuldb.com/submit/916597 | third-party-advisory |
| https://github.com/carlosalbertotuma/advisory/blo… | exploit |
| https://github.com/krayin/laravel-crm/pull/2614 | issue-trackingpatch |
| https://github.com/krayin/laravel-crm/commit/89f2… | patch |
| https://github.com/krayin/laravel-crm/releases/ta… | patch |
| https://github.com/krayin/laravel-crm/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Krayin | laravel-crm |
Affected:
2.2.0
Affected: 2.2.1 Affected: 2.2.2 Affected: 2.2.3 Affected: 2.2.4 Unaffected: 2.2.5 cpe:2.3:a:krayin:laravel-crm:*:*:*:*:*:*:*:* |
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CVE-2026-100878 (GCVE-0-2026-100878)
Vulnerability from cvelistv5 – Published: 2026-09-27 20:30 – Updated: 2026-09-28 13:02
VLAI
EPSS
VEX
Title
zhistaredu StarTraining authRole Endpoint SysUser.java SysUser.isAdmin authorization
Summary
A vulnerability was identified in zhistaredu StarTraining up to 3.8.1. Affected by this issue is the function SysUser.isAdmin of the file edu-common/src/main/java/com/edu/common/core/domain/entity/SysUser.java of the component authRole Endpoint. The manipulation of the argument userId/roleIds leads to authorization bypass. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 13:01 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/410808 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/410808/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-100878 | third-party-advisory |
| https://vuldb.com/submit/915510 | third-party-advisory |
| https://github.com/ArrestX/startraining-advisorie… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zhistaredu | StarTraining |
Affected:
3.8.0
Affected: 3.8.1 cpe:2.3:a:zhistaredu:startraining:*:*:*:*:*:*:*:* |
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CVE-2026-100688 (GCVE-0-2026-100688)
Vulnerability from cvelistv5 – Published: 2026-09-26 13:23 – Updated: 2026-10-08 15:21
VLAI
EPSS
VEX
Title
Budibase server before 3.45.0 Cross-Tenant Information Disclosure
Summary
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Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 16:37 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Budibase/budibase/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/budibase-ser… | third-party-advisory |
Impacted products
Date Public
2026-09-10 00:00
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CVE-2026-100679 (GCVE-0-2026-100679)
Vulnerability from cvelistv5 – Published: 2026-09-26 13:23 – Updated: 2026-09-28 18:03
VLAI
EPSS
VEX
Title
stoatchat before 0.15.5 MFA Bypass via Cross-Account Ticket
Summary
stoatchat before 0.15.5 fails to validate that MFA tickets belong to the authenticated user, allowing attackers to bypass MFA by using their own valid ticket with another user's session token. Attackers can obtain a ticket from their own account and use it with a victim's session token to disable TOTP, view recovery codes, or perform other sensitive operations without providing the victim's credentials.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 18:01 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/stoatchat/stoatchat/security/a… | vendor-advisory |
| https://www.vulncheck.com/advisories/stoatchat-be… | third-party-advisory |
Impacted products
Date Public
2026-09-11 00:00
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CVE-2026-100670 (GCVE-0-2026-100670)
Vulnerability from cvelistv5 – Published: 2026-09-26 13:23 – Updated: 2026-09-30 14:57
VLAI
EPSS
VEX
Title
Grav CMS 2.0.14 through 2.0.24 Privilege Escalation via Blueprint Guard Bypass
Summary
Grav CMS 2.0.14 through 2.0.24 contains a privilege escalation vulnerability in the group and account blueprints. The access map is gated by a `security@: admin.super` guard that is resolved by the field's exact path, so a submitted flat dot-notation key such as `access.admin.super` (instead of the nested `access[admin][super]`) matches no blueprint rule, survives BlueprintSchema::filterArray() and flattening, and is written by FlexObject::update() via setNestedProperty(), which splits on `.` and reconstructs the nested value. An authenticated backend operator using the flex accounts backend who holds admin.users but not admin.super can therefore grant admin.super to their own account or to a group they belong to and escalate to full super-admin, gaining control over configuration, plugin and theme installation, the file manager, and all accounts. Fixed in 2.0.25, which drops any dotted key whose ancestor path is disabled or marked validate.ignore.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:57 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | vendor-advisory |
| https://www.vulncheck.com/advisories/grav-cms-2.0… | third-party-advisory |
Impacted products
Date Public
2026-09-09 00:00
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CVE-2026-100627 (GCVE-0-2026-100627)
Vulnerability from cvelistv5 – Published: 2026-09-26 13:23 – Updated: 2026-09-30 17:20
VLAI
EPSS
VEX
Title
Capgo bundle promotion API channel RBAC deny override bypass
Summary
Capgo (Cap-go/capgo.app) server backend Supabase functions contain an incorrect authorization flaw in the API-key bundle promotion path. The PUT /bundle endpoint, available to "all" and "write" API keys, dispatches to setChannel, which authorizes with checkPermission(c, 'channel.promote_bundle', { appId: body.app_id }) and omits the request's channel_id. Because the omitted scope field is passed to rbac_check_permission_direct as SQL NULL, and channel-scope override evaluation is gated on p_channel_id IS NOT NULL, per-channel allow/deny overrides are never evaluated. A principal holding app-level channel.promote_bundle (granted by default to the app_developer and app_uploader roles) can therefore promote a bundle to a channel for which an explicit per-channel deny override exists, updating public.channels.version for the supplied channel_id; the target channel is only validated after authorization. The issue is confirmed on main at commit de66fa51e7ff2f50283cc1455c3d80ab3eb0ae43 and likely earlier versions; no patched version is known at the time of publication.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 18:56 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Cap-go/capgo.app/security/advi… | vendor-advisory |
| https://www.vulncheck.com/advisories/capgo-bundle… | third-party-advisory |
Date Public
2026-09-09 00:00
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CVE-2026-100626 (GCVE-0-2026-100626)
Vulnerability from cvelistv5 – Published: 2026-09-26 13:27 – Updated: 2026-09-26 23:01
VLAI
EPSS
VEX
Title
capgo through 12.128.2 IDOR via PUT /app icon endpoint
Summary
capgo through 12.128.2 contains an insecure direct object reference vulnerability in the PUT /app/:appId endpoint that accepts attacker-controlled icon storage paths. Authenticated users can supply arbitrary paths in the private images bucket and obtain service-role-signed URLs valid for 7 days to read cross-tenant objects including user avatars, organization logos, and app icons without authorization.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 23:01 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Cap-go/capgo.app/security/advi… | vendor-advisory |
| https://www.vulncheck.com/advisories/capgo-throug… | third-party-advisory |
Impacted products
Date Public
2026-09-08 00:00
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CVE-2026-100618 (GCVE-0-2026-100618)
Vulnerability from cvelistv5 – Published: 2026-09-26 13:22 – Updated: 2026-09-30 17:20
VLAI
EPSS
VEX
Title
Capgo App Icon Update Privilege Escalation via Service-Role Worker
Summary
Capgo (capgo.app) is affected by an authorization flaw in the app icon update path. The PUT /app/:id endpoint accepts a user-controlled `icon` value, normalizes it, and stores it in public.apps.icon_url without verifying that the image path belongs to the target app's own image namespace (e.g. org/{owner_org}/{app_id}/...). Updating apps.icon_url fires the on_app_update trigger, whose worker reads record.icon_url and calls cleanStoredImageMetadata(), which runs with service-role credentials (supabaseAdmin()) and downloads and re-uploads the referenced storage object with upsert: true. As a result, an authenticated holder of an app-limited write API key can cause the privileged worker to rewrite an out-of-scope private image object (for example an organization logo) that the key cannot read or write directly under Supabase Storage RLS. All versions are affected; no patched version was available at the time of the advisory.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 19:01 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Cap-go/capgo.app/security/advi… | vendor-advisory |
| https://www.vulncheck.com/advisories/capgo-app-ic… | third-party-advisory |
Date Public
2026-09-08 00:00
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CVE-2026-100614 (GCVE-0-2026-100614)
Vulnerability from cvelistv5 – Published: 2026-09-26 13:22 – Updated: 2026-09-28 19:04
VLAI
EPSS
VEX
Title
Capgo before 12.244.1 Cross-Tenant Image Overwrite via Metadata Worker
Summary
Capgo before 12.244.1 contains a cross-tenant integrity vulnerability in the metadata-cleaning worker that trusts image object keys from mutable database rows without validating ownership. An authenticated attacker can place a victim tenant's image key in a row they control, causing the service-role worker to download and re-upload that object with sanitized metadata. Attackers can silently modify metadata in cross-tenant image objects by supplying known victim keys during authorized row updates, bypassing storage access controls through the confused-deputy metadata worker.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 19:03 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Cap-go/capgo.app/security/advi… | vendor-advisory |
| https://www.vulncheck.com/advisories/capgo-before… | third-party-advisory |
Impacted products
Date Public
2026-09-10 00:00
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CVE-2026-100612 (GCVE-0-2026-100612)
Vulnerability from cvelistv5 – Published: 2026-09-26 13:22 – Updated: 2026-09-30 20:11
VLAI
EPSS
VEX
Title
Capgo SSO Provider ID Authentication Bypass via Incomplete Migration
Summary
Capgo (capgo.app) through version 12.261.0 contains an incomplete access-control fix for the public.sso_providers table. Migration 20260826100000_sso_providers_block_direct_active_insert.sql installs a BEFORE UPDATE guard (enforce_sso_provider_client_update_guard()) that freezes only the dns_verified_at, domain, status and enforce_sso columns; provider_id (as well as metadata_url and attribute_mapping) is left writable. Because the table is granted ALL to the anon and authenticated roles with no column-level restriction, and PostgreSQL row-level security policies such as allow_org_admins_update_sso_providers constrain only which row may be updated and not which columns, a user holding the org_admin tier permission org.update_settings can PATCH provider_id over PostgREST to an identity provider under their control. Since provider_id is the trust anchor binding an email domain to an authorized IdP, the attacker can then authenticate through their own IdP while asserting the org owner's email; the server-side provider match succeeds and the merge routine attaches the attacker's SSO identity to the existing owner account, nulls its password, and deletes its other identities and sessions. This results in vertical privilege escalation from org_admin to org owner/super_admin, account takeover, and lockout of the legitimate owner. Exploitation requires that the target organization has an active SSO provider configured and that the attacker already holds org_admin in that organization. No patched version is available.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 18:43 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Cap-go/capgo.app/security/advi… | vendor-advisory |
| https://www.vulncheck.com/advisories/capgo-sso-pr… | third-party-advisory |
Impacted products
Date Public
2026-09-08 00:00
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Mitigation
Architecture and Design
For each and every data access, ensure that the user has sufficient privilege to access the record that is being requested.
Mitigation
Architecture and Design
Implementation
Make sure that the key that is used in the lookup of a specific user's record is not controllable externally by the user or that any tampering can be detected.
Mitigation
Architecture and Design
Use encryption in order to make it more difficult to guess other legitimate values of the key or associate a digital signature with the key so that the server can verify that there has been no tampering.
No CAPEC attack patterns related to this CWE.