Common Weakness Enumeration

CWE-287

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

CVE-2026-41571 (GCVE-0-2026-41571)

Vulnerability from cvelistv5 – Published: 2026-05-04 17:42 – Updated: 2026-05-04 20:20
VLAI
Title
Note Mark: OIDC-registered users authenticated by submitting password "null"
Summary
Note Mark is an open-source note-taking application. In version 0.19.2, IsPasswordMatch in backend/db/models.go falls back to a hard-coded bcrypt("null") placeholder whenever a user has no stored password. OIDC-registered users are created with an empty password, so anyone who submits password: "null" to the internal login endpoint receives a valid session for that user. The bypass is unauthenticated and requires no user interaction. This issue has been patched in version 0.19.3.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
enchant97 note-mark Affected: = 0.19.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-41574 (GCVE-0-2026-41574)

Vulnerability from cvelistv5 – Published: 2026-05-08 14:40 – Updated: 2026-05-08 23:25
VLAI
Title
Nhost Vulnerable to Account Takeover via OAuth Email Verification Bypass
Summary
Nhost is an open source Firebase alternative with GraphQL. Prior to version 0.49.1, Nhost automatically links an incoming OAuth identity to an existing Nhost account when the email addresses match. This is only safe when the email has been verified by the OAuth provider. Nhost's controller trusts a profile.EmailVerified boolean that is set by each provider adapter. The vulnerability is that several provider adapters do not correctly populate this field they either silently drop a verified field the provider API actually returns (Discord), or they fall back to accepting unconfirmed emails and marking them as verified (Bitbucket). Two Microsoft providers (AzureAD, EntraID) derive the email from non-ownership-proving fields like the user principal name, then mark it verified. The result is that an attacker can present an email they don't own to Nhost, have the OAuth identity merged into the victim's account, and receive a full authenticated session. This issue has been patched in version 0.49.1.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-287 - Improper Authentication
Assigner
Impacted products
Vendor Product Version
nhost nhost Affected: < 0.49.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-41671 (GCVE-0-2026-41671)

Vulnerability from cvelistv5 – Published: 2026-05-07 03:00 – Updated: 2026-05-07 12:46
VLAI
Title
Admidio: OIDC Token Introspection Endpoint Returns Active for All Tokens Without Validation
Summary
Admidio is an open-source user management solution. Prior to version 5.0.9, the OIDC token introspection endpoint (/modules/sso/index.php/oidc/introspect) always returns {"active": true} for every request, regardless of whether a valid token is provided, whether the token is expired, revoked, or completely fabricated. The endpoint performs no authentication of the calling resource server and no validation of the submitted token. Any resource server that relies on this introspection endpoint to validate access tokens will accept all requests as authorized, enabling complete authentication bypass. Additionally, the OIDC token revocation endpoint (/oidc/revoke) returns {"revoked": true} without actually revoking any token, preventing resource servers from invalidating compromised credentials. This issue has been patched in version 5.0.9.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
Admidio admidio Affected: < 5.0.9
Create a notification for this product.
Show details on NVD website

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CVE-2026-41679 (GCVE-0-2026-41679)

Vulnerability from cvelistv5 – Published: 2026-04-23 00:53 – Updated: 2026-04-23 16:23
VLAI
Title
Paperclip Vulnerable to Unauthenticated Remote Code Execution via Import Authorization Bypass
Summary
Paperclip is a Node.js server and React UI that orchestrates a team of AI agents to run a business. Prior to version 2026.416.0, an unauthenticated attacker can achieve full remote code execution on any network-accessible Paperclip instance running in `authenticated` mode with default configuration. No user interaction, no credentials, just the target's address. The chain consists of six API calls. The attack is fully automated, requires no user interaction, and works against the default deployment configuration. Version 2026.416.0 patches the issue.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-287 - Improper Authentication
  • CWE-862 - Missing Authorization
  • CWE-1188 - Insecure Default Initialization of Resource
Assigner
References
Impacted products
Show details on NVD website

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CVE-2026-41720 (GCVE-0-2026-41720)

Vulnerability from cvelistv5 – Published: 2026-06-09 03:48 – Updated: 2026-06-23 20:47
VLAI
Title
Authentication Bypass with Empty Password in Spring LDAP
Summary
Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username is paired with an empty or null password. Affected versions: Spring LDAP 2.4.0 through 2.4.4; 3.2.0 through 3.2.17; 3.3.0 through 3.3.7; 4.0.0 through 4.0.3.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
Spring Spring LDAP Affected: 2.4.0 , < 2.4.5 (custom)
Affected: 3.2.0 , < 3.2.18 (custom)
Affected: 3.3.0 , < 3.3.7.1 (custom)
Affected: 4.0.0 , < 4.0.3.1 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-4187 (GCVE-0-2026-4187)

Vulnerability from cvelistv5 – Published: 2026-03-15 19:02 – Updated: 2026-03-16 20:14
VLAI
Title
Tiandy Easy7 Integrated Management Platform Device Identifier UpdateLocalDevInfo.jsp missing authentication
Summary
A vulnerability was identified in Tiandy Easy7 Integrated Management Platform 7.17.0. Impacted is an unknown function of the file /WebService/UpdateLocalDevInfo.jsp of the component Device Identifier Handler. Such manipulation of the argument username/password leads to missing authentication. The attack can be launched 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.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.351093 vdb-entrytechnical-description
https://vuldb.com/?ctiid.351093 signaturepermissions-required
https://vuldb.com/?submit.769931 third-party-advisory
https://my.feishu.cn/docx/Vc4QdU5KNoMF57xxubOcBwP… exploit
Impacted products
Credits
0menc (VulDB User) VulDB
Show details on NVD website

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CVE-2026-41896 (GCVE-0-2026-41896)

Vulnerability from cvelistv5 – Published: 2026-06-29 20:16 – Updated: 2026-06-30 12:55
VLAI
Title
Coolify: Unauthenticated Deployment Trigger via Webhook HMAC Bypass with Null Secret
Summary
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.474, the HMAC key is the application's manual_webhook_secret_github field, which is used by Coolify's webhook endpoints to validate incoming requests, is nullable with no default — meaning newly created applications have a null webhook secret. PHP's hash_hmac() function silently coerces a null key to an empty string ''. So when the secret is null, the server computes hash_hmac('sha256', $payload, '') — a deterministic value that any attacker can calculate independently. By sending X-Hub-Signature-256: sha256=<hash_hmac('sha256', payload, '')>, an unauthenticated attacker can forge a valid signature and trigger deployments. This vulnerability is fixed in 4.0.0-beta.474.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
coollabsio coolify Affected: < 4.0.0-beta.474
Create a notification for this product.
Show details on NVD website

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CVE-2026-42041 (GCVE-0-2026-42041)

Vulnerability from cvelistv5 – Published: 2026-04-24 17:55 – Updated: 2026-07-01 12:04
VLAI
Title
Axios: Authentication Bypass via Prototype Pollution Gadget in `validateStatus` Merge Strategy
Summary
Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, the Axios library is vulnerable to a Prototype Pollution "Gadget" attack that allows any Object.prototype pollution to silently suppress all HTTP error responses (401, 403, 500, etc.), causing them to be treated as successful responses. This completely bypasses application-level authentication and error handling. The root cause is that validateStatus is the only config property using the mergeDirectKeys merge strategy, which uses JavaScript's in operator — an operator that inherently traverses the prototype chain. When Object.prototype.validateStatus is polluted with () => true, all HTTP status codes are accepted as success. This vulnerability is fixed in 1.15.1 and 0.31.1.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-287 - Improper Authentication
  • CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
  • CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
Assigner
References
URL Tags
https://github.com/axios/axios/security/advisorie… x_refsource_CONFIRM
https://access.redhat.com/security/cve/CVE-2026-42041 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2461629 issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v… x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:25089 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:16874 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24539 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:25273 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20889 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20938 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22619 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:21338 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33574 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:26234 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:14937 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:25041 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24977 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:17468 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:17474 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:21772 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:16476 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:16534 vendor-advisoryx_refsource_REDHAT
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https://access.redhat.com/errata/RHSA-2026:23361 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:26214 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:26232 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:26225 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24536 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:25271 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:17657 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:17699 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19109 vendor-advisoryx_refsource_REDHAT
Impacted products
Vendor Product Version
axios axios Affected: >= 1.0.0, < 1.15.1
Affected: < 0.31.1
Create a notification for this product.
Red Hat HawtIO HawtIO 4.4.0     cpe:/a:redhat:apache_camel_hawtio:4.4::el9
Create a notification for this product.
Red Hat Network Observability (NETOBSERV) 1.11.2     cpe:/a:redhat:network_observ_optr:1.11::el9
Create a notification for this product.
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.15     cpe:/a:redhat:acm:2.15::el9
Create a notification for this product.
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16     cpe:/a:redhat:acm:2.16::el9
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Show details on NVD website

{
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CVE-2026-4252 (GCVE-0-2026-4252)

Vulnerability from cvelistv5 – Published: 2026-03-16 16:32 – Updated: 2026-03-16 18:07
VLAI
Title
Tenda AC8 IPv6 check_is_ipv6 ip address for authentication
Summary
A vulnerability was identified in Tenda AC8 16.03.50.11. Affected by this issue is the function check_is_ipv6 of the component IPv6 Handler. The manipulation leads to reliance on ip address for authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-291 - Reliance on IP Address for Authentication
  • CWE-287 - Improper Authentication
Assigner
References
URL Tags
https://vuldb.com/?id.351210 vdb-entrytechnical-description
https://vuldb.com/?ctiid.351210 signaturepermissions-required
https://vuldb.com/?submit.771759 third-party-advisory
https://github.com/digitalandrew/tenda_ac8_v5/blo… exploit
https://www.tenda.com.cn/ product
Impacted products
Vendor Product Version
Tenda AC8 Affected: 16.03.50.11
    cpe:2.3:o:tenda:ac8_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
DigitalAndrew (VulDB User)
Show details on NVD website

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CVE-2026-42560 (GCVE-0-2026-42560)

Vulnerability from cvelistv5 – Published: 2026-05-09 04:15 – Updated: 2026-05-11 17:31
VLAI
Title
auth: Patreon provider assigns the same local user ID to every authenticated Patreon account, enabling cross‑user impersonation
Summary
auth provides authentication via oauth2, direct and email. From versions 1.18.0 to before 1.25.2 and 2.0.0 to before 2.1.2, the Patreon OAuth provider maps every authenticated Patreon account to the same local user.ID, instead of deriving a unique ID from the Patreon account returned by Patreon. In practice, this means all Patreon-authenticated users of an application using this library are collapsed into a single local identity. Any application that trusts token.User.ID as the stable account key can end up mixing or fully merging unrelated Patreon users, which can lead to cross-account access, privilege confusion, and subscription-state leakage. This issue has been patched in versions 1.25.2 and 2.1.2.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-287 - Improper Authentication
Assigner
Impacted products
Vendor Product Version
go-pkgz auth Affected: >= 1.18.0, < 1.25.2
Affected: >= 2.0.0, < 2.1.2
Create a notification for this product.
Show details on NVD website

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              "content": {
                "id": "CVE-2026-42560",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-11T17:31:25.710343Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-11T17:31:32.968Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/go-pkgz/auth/security/advisories/GHSA-f6qq-3m3h-4g42"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "auth",
          "vendor": "go-pkgz",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 1.18.0, \u003c 1.25.2"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.0.0, \u003c 2.1.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "auth provides authentication via oauth2, direct and email. From versions 1.18.0 to before 1.25.2 and 2.0.0 to before 2.1.2, the Patreon OAuth provider maps every authenticated Patreon account to the same local user.ID, instead of deriving a unique ID from the Patreon account returned by Patreon. In practice, this means all Patreon-authenticated users of an application using this library are collapsed into a single local identity. Any application that trusts token.User.ID as the stable account key can end up mixing or fully merging unrelated Patreon users, which can lead to cross-account access, privilege confusion, and subscription-state leakage. This issue has been patched in versions 1.25.2 and 2.1.2."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "CWE-287: Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-09T04:15:01.408Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/go-pkgz/auth/security/advisories/GHSA-f6qq-3m3h-4g42",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/go-pkgz/auth/security/advisories/GHSA-f6qq-3m3h-4g42"
        },
        {
          "name": "https://github.com/go-pkgz/auth/commit/c0b15ee72a8401da83c01781c16636c521f42698",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/go-pkgz/auth/commit/c0b15ee72a8401da83c01781c16636c521f42698"
        },
        {
          "name": "https://github.com/go-pkgz/auth/releases/tag/v1.25.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/go-pkgz/auth/releases/tag/v1.25.2"
        },
        {
          "name": "https://github.com/go-pkgz/auth/releases/tag/v2.1.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/go-pkgz/auth/releases/tag/v2.1.2"
        }
      ],
      "source": {
        "advisory": "GHSA-f6qq-3m3h-4g42",
        "discovery": "UNKNOWN"
      },
      "title": "auth: Patreon provider assigns the same local user ID to every authenticated Patreon account, enabling cross\u2011user impersonation"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-42560",
    "datePublished": "2026-05-09T04:15:01.408Z",
    "dateReserved": "2026-04-28T16:56:50.192Z",
    "dateUpdated": "2026-05-11T17:31:32.968Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Mitigation

Phase: Architecture and Design

Strategy: Libraries or Frameworks

Description:

  • Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
CAPEC-114: Authentication Abuse

An attacker obtains unauthorized access to an application, service or device either through knowledge of the inherent weaknesses of an authentication mechanism, or by exploiting a flaw in the authentication scheme's implementation. In such an attack an authentication mechanism is functioning but a carefully controlled sequence of events causes the mechanism to grant access to the attacker.

CAPEC-115: Authentication Bypass

An attacker gains access to application, service, or device with the privileges of an authorized or privileged user by evading or circumventing an authentication mechanism. The attacker is therefore able to access protected data without authentication ever having taken place.

CAPEC-151: Identity Spoofing

Identity Spoofing refers to the action of assuming (i.e., taking on) the identity of some other entity (human or non-human) and then using that identity to accomplish a goal. An adversary may craft messages that appear to come from a different principle or use stolen / spoofed authentication credentials.

CAPEC-194: Fake the Source of Data

An adversary takes advantage of improper authentication to provide data or services under a falsified identity. The purpose of using the falsified identity may be to prevent traceability of the provided data or to assume the rights granted to another individual. One of the simplest forms of this attack would be the creation of an email message with a modified "From" field in order to appear that the message was sent from someone other than the actual sender. The root of the attack (in this case the email system) fails to properly authenticate the source and this results in the reader incorrectly performing the instructed action. Results of the attack vary depending on the details of the attack, but common results include privilege escalation, obfuscation of other attacks, and data corruption/manipulation.

CAPEC-22: Exploiting Trust in Client

An attack of this type exploits vulnerabilities in client/server communication channel authentication and data integrity. It leverages the implicit trust a server places in the client, or more importantly, that which the server believes is the client. An attacker executes this type of attack by communicating directly with the server where the server believes it is communicating only with a valid client. There are numerous variations of this type of attack.

CAPEC-57: Utilizing REST's Trust in the System Resource to Obtain Sensitive Data

This attack utilizes a REST(REpresentational State Transfer)-style applications' trust in the system resources and environment to obtain sensitive data once SSL is terminated.

CAPEC-593: Session Hijacking

This type of attack involves an adversary that exploits weaknesses in an application's use of sessions in performing authentication. The adversary is able to steal or manipulate an active session and use it to gain unathorized access to the application.

CAPEC-633: Token Impersonation

An adversary exploits a weakness in authentication to create an access token (or equivalent) that impersonates a different entity, and then associates a process/thread to that that impersonated token. This action causes a downstream user to make a decision or take action that is based on the assumed identity, and not the response that blocks the adversary.

CAPEC-650: Upload a Web Shell to a Web Server

By exploiting insufficient permissions, it is possible to upload a web shell to a web server in such a way that it can be executed remotely. This shell can have various capabilities, thereby acting as a "gateway" to the underlying web server. The shell might execute at the higher permission level of the web server, providing the ability the execute malicious code at elevated levels.

CAPEC-94: Adversary in the Middle (AiTM)

An adversary targets the communication between two components (typically client and server), in order to alter or obtain data from transactions. A general approach entails the adversary placing themself within the communication channel between the two components.

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