Common Weakness Enumeration

CWE-307

Allowed

Improper Restriction of Excessive Authentication Attempts

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.

1069 vulnerabilities reference this CWE, most recent first.

CVE-2026-111675 (GCVE-0-2026-111675)

Vulnerability from cvelistv5 – Published: 2026-10-16 17:39 – Updated: 2026-10-16 17:39
VLAI
Title
Course-tencent-cloud through 2.0.1 Verification Code Brute Force Account Takeover
Summary
Course-tencent-cloud through 2.0.1 contains an improper restriction of authentication attempts vulnerability that allows unauthenticated attackers to brute force 6-digit SMS/email verification codes, which are never invalidated or attempt-limited. Attackers who know a victim's phone or email can trigger a code and rotate source IPs against the password reset and verify login endpoints to take over accounts.
Severity
9.1 (Critical)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version
xiaochong0302 course-tencent-cloud Affected: 0 , ≤ 2.0.1 (custom)
Create a notification for this product.
Date Public
2026-10-15 00:00
Credits
hieuPenguinnn
Show details on NVD website
To clipboard 

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CVE-2026-111356 (GCVE-0-2026-111356)

Vulnerability from cvelistv5 – Published: 2026-10-15 21:43 – Updated: 2026-10-16 16:49
VLAI
Title
MacCMS v10 through 2026.1000.4056 Account Takeover via Password Recovery Brute-Force
Summary
MacCMS v10 through 2026.1000.4056 does not limit attempts on the six-digit password recovery code, allowing unauthenticated attackers to take over member accounts. Attackers knowing a victim's email or phone can request a code and brute-force findpass_reset to overwrite the member's password.
Severity
9.1 (Critical)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 16:49 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version
magicblack MacCMS Affected: 0 , ≤ 2026.1000.4056 (custom)
    cpe:2.3:a:maccms:maccms:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-15 00:00
Credits
hieuPenguinnn
Show details on NVD website
To clipboard 

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CVE-2026-110861 (GCVE-0-2026-110861)

Vulnerability from cvelistv5 – Published: 2026-10-14 22:52 – Updated: 2026-10-14 22:52
VLAI
Title
Better Auth drizzle-adapter 1.6.17 before 1.7.7 Rate Limit Bypass via Race Condition
Summary
Better Auth @better-auth/drizzle-adapter and better-auth from 1.6.17 before 1.7.7, and @better-auth/kysely-adapter from 1.6.17 before 1.7.0, contain a race condition in database-backed rate limiting on PostgreSQL where the limit check is not atomic with the counter update. Remote attackers can send bursts of concurrent requests that pass the check together, exceeding configured limits on password sign-in, two-factor verification, one-time code, password reset, and other rate-limited endpoints.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version
better-auth drizzle-adapter Affected: 1.6.17 , < 1.7.7 (semver)
Unaffected: 1.7.7 (semver)
Create a notification for this product.
better-auth kysely-adapter Affected: 1.6.17 , < 1.7.0 (semver)
Unaffected: 1.7.0 (semver)
Create a notification for this product.
better-auth better-auth Affected: 1.6.17 , < 1.7.7 (semver)
Unaffected: 1.7.7 (semver)
Create a notification for this product.
Date Public
2026-09-30 00:00
Credits
designorant
Show details on NVD website
To clipboard 

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CVE-2026-110770 (GCVE-0-2026-110770)

Vulnerability from cvelistv5 – Published: 2026-10-14 18:47 – Updated: 2026-10-14 18:47
VLAI
Title
Databasus 3.7.0 through 3.61.0 Account Takeover via Password Reset Brute-Force
Summary
Databasus 3.7.0 through 3.61.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to brute-force password reset codes via POST /api/v1/users/reset-password. Attackers can request a six-digit code for a known email, then guess it without rate limiting, lockout, or invalidation to take over accounts, including administrators.
Severity
9.2 (Critical)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version
databasus databasus Affected: 3.7.0 , ≤ 3.61.0 (semver)
Create a notification for this product.
Date Public
2026-10-14 00:00
Credits
hieuPenguinnn
Show details on NVD website
To clipboard 

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CVE-2026-109949 (GCVE-0-2026-109949)

Vulnerability from cvelistv5 – Published: 2026-10-13 13:27 – Updated: 2026-10-13 16:43
VLAI
Title
FreeRDP 3.0.0 before 3.32.0 PIN Brute-Force via Virtual Smartcard
Summary
FreeRDP 3.0.0 before 3.32.0 contains an improper restriction of excessive authentication attempts in its virtual smartcard GIDS implementation, which stores the PIN retry counter per-handle. A malicious RDP server can exhaust the counter with VERIFY APDUs, then request a new SCardConnect to reset attempts, enabling unbounded online brute-forcing of the configured smartcard PIN.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 16:21 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version
FreeRDP FreeRDP Affected: 3.0.0 , < 3.32.0 (semver)
Unaffected: 3.32.0 (semver)
    cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-29 00:00
Credits
Kushalkhemka opensec-intelligence mayank-jangid-moon skigeek16
Show details on NVD website
To clipboard 

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CVE-2026-108580 (GCVE-0-2026-108580)

Vulnerability from cvelistv5 – Published: 2026-10-10 15:57 – Updated: 2026-10-13 18:57
VLAI
Title
AniWorld Downloader before 5.3.0 WebUI Login Brute Force via /login
Summary
AniWorld Downloader before 5.3.0 contains an improper restriction of authentication attempts vulnerability in the WebUI /login POST handler that allows unauthenticated attackers to guess passwords without throttling. Attackers can enumerate usernames through verify_user response timing and brute-force passwords on exposed WebUI instances to take over accounts.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 18:56 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version
phoenixthrush AniWorld Downloader Affected: 0 , < 5.3.0 (semver)
Create a notification for this product.
Date Public
2026-10-01 00:00
Credits
SiroxCW HaiND from the Post and Telecommunication Institute of Technology
Show details on NVD website
To clipboard 

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CVE-2026-108163 (GCVE-0-2026-108163)

Vulnerability from cvelistv5 – Published: 2026-10-10 13:55 – Updated: 2026-10-14 16:03
VLAI
Title
Pingvin Share X before 1.22.0 Ineffective Authentication Rate Limiting via Throttler TTL
Summary
Pingvin Share X before 1.22.0 contains an ineffective rate limiting vulnerability because throttler TTL values specified in seconds are interpreted as milliseconds. Unauthenticated attackers can send effectively unthrottled requests to /api/auth/signIn, /api/auth/signIn/totp and /api/auth/resetPassword to brute-force passwords and TOTP codes.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 14:53 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version
smp46 pingvin-share-x Affected: 0 , < 1.22.0 (semver)
Create a notification for this product.
Date Public
2026-08-06 00:00
Credits
Matéo Florian Callec
Show details on NVD website
To clipboard 

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CVE-2026-108109 (GCVE-0-2026-108109)

Vulnerability from cvelistv5 – Published: 2026-10-09 14:33 – Updated: 2026-10-09 17:26
VLAI
Title
PHPNuxBill through 2025.3.20 Account Takeover via Brute-Forceable Password Reset Code
Summary
PHPNuxBill through 2025.3.20 contains an account takeover vulnerability in the customer password reset flow in system/controllers/forgot.php that allows unauthenticated attackers to brute-force the 6-digit otp_code. Attackers knowing a customer username can guess the code without attempt limits or lockout, then read the newly set password from the HTTP response to hijack the account.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 17:25 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version
hotspotbilling phpnuxbill Affected: 0 , ≤ 2025.3.20 (custom)
Create a notification for this product.
Date Public
2026-08-06 00:00
Credits
tonghuaroot leediay153 from Viettel Post
Show details on NVD website
To clipboard 

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CVE-2026-107638 (GCVE-0-2026-107638)

Vulnerability from cvelistv5 – Published: 2026-10-08 14:10 – Updated: 2026-10-08 18:01
VLAI
Title
pH7Builder before 18.5.0 2FA Brute Force via VerificationCodeFormProcess.php
Summary
pH7Builder (pH7 Social Dating CMS) before 18.5.0 contains an improper restriction of authentication attempts vulnerability that allows attackers to bypass two-factor authentication by guessing TOTP codes without limits. Attackers who know an account password can submit unlimited 6-digit verification codes to VerificationCodeFormProcess.php to take over member, affiliate, or administrator accounts.
Severity
7.6 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
6.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 18:01 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version
ph7software ph7builder Affected: 0 , < 18.5.0 (semver)
Unaffected: 18.5.0 (semver)
Create a notification for this product.
Date Public
2026-07-17 00:00
Credits
Haluk Baran AKBULUT (CyberMap Group)
Show details on NVD website
To clipboard 

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CVE-2026-105866 (GCVE-0-2026-105866)

Vulnerability from cvelistv5 – Published: 2026-10-06 16:46 – Updated: 2026-10-06 17:39
VLAI
Title
Payload: Unauthenticated account-lockout denial of service
Summary
Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, an unauthenticated attacker who knows an account email address or username can abuse the account lockout mechanism of a local-authentication collection to prevent that account from signing in. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 17:34 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
  • CWE-645 - Overly Restrictive Account Lockout Mechanism
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7771 records in the last 180 days details
References
Impacted products
Vendor Product Version
payloadcms payload Affected: < 3.90.0
Affected: >= 4.0.0-canary.0, < 4.0.0-canary.34
Create a notification for this product.
Show details on NVD website
To clipboard 

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        },
        {
          "name": "https://github.com/payloadcms/payload/commit/1c46204a73a0a9f988a80c52690eee5a4ada3cf1",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/payloadcms/payload/commit/1c46204a73a0a9f988a80c52690eee5a4ada3cf1"
        },
        {
          "name": "https://github.com/payloadcms/payload/releases/tag/v3.90.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/payloadcms/payload/releases/tag/v3.90.0"
        }
      ],
      "source": {
        "advisory": "GHSA-v5gf-vpjc-pc7w",
        "discovery": "UNKNOWN"
      },
      "title": "Payload: Unauthenticated account-lockout denial of service"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-105866",
    "datePublished": "2026-10-06T16:46:31.069Z",
    "dateReserved": "2026-10-05T23:06:29.748Z",
    "dateUpdated": "2026-10-06T17:39:09.686Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}
Mitigation
Architecture and Design
  • Common protection mechanisms include:
  • Disconnecting the user after a small number of failed attempts
  • Implementing a timeout
  • Locking out a targeted account
  • Requiring a computational task on the user's part.
Mitigation MIT-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 [REF-1482].
  • Consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator. [REF-45]
CAPEC-16: Dictionary-based Password Attack

An attacker tries each of the words in a dictionary as passwords to gain access to the system via some user's account. If the password chosen by the user was a word within the dictionary, this attack will be successful (in the absence of other mitigations). This is a specific instance of the password brute forcing attack pattern.

Dictionary Attacks differ from similar attacks such as Password Spraying (CAPEC-565) and Credential Stuffing (CAPEC-600), since they leverage unknown username/password combinations and don't care about inducing account lockouts.

CAPEC-49: Password Brute Forcing

An adversary tries every possible value for a password until they succeed. A brute force attack, if feasible computationally, will always be successful because it will essentially go through all possible passwords given the alphabet used (lower case letters, upper case letters, numbers, symbols, etc.) and the maximum length of the password.

CAPEC-560: Use of Known Domain Credentials

An adversary guesses or obtains (i.e. steals or purchases) legitimate credentials (e.g. userID/password) to achieve authentication and to perform authorized actions under the guise of an authenticated user or service.

CAPEC-565: Password Spraying

In a Password Spraying attack, an adversary tries a small list (e.g. 3-5) of common or expected passwords, often matching the target's complexity policy, against a known list of user accounts to gain valid credentials. The adversary tries a particular password for each user account, before moving onto the next password in the list. This approach assists the adversary in remaining undetected by avoiding rapid or frequent account lockouts. The adversary may then reattempt the process with additional passwords, once enough time has passed to prevent inducing a lockout.

CAPEC-600: Credential Stuffing

An adversary tries known username/password combinations against different systems, applications, or services to gain additional authenticated access. Credential Stuffing attacks rely upon the fact that many users leverage the same username/password combination for multiple systems, applications, and services.

CAPEC-652: Use of Known Kerberos Credentials

An adversary obtains (i.e. steals or purchases) legitimate Kerberos credentials (e.g. Kerberos service account userID/password or Kerberos Tickets) with the goal of achieving authenticated access to additional systems, applications, or services within the domain.

CAPEC-653: Use of Known Operating System Credentials

An adversary guesses or obtains (i.e. steals or purchases) legitimate operating system credentials (e.g. userID/password) to achieve authentication and to perform authorized actions on the system, under the guise of an authenticated user or service. This applies to any Operating System.

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