Common Weakness Enumeration
CWE-307
AllowedImproper Restriction of Excessive Authentication Attempts
Abstraction: Base · Status: Draft
The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.
967 vulnerabilities reference this CWE, most recent first.
CVE-2026-15079 (GCVE-0-2026-15079)
Vulnerability from cvelistv5 – Published: 2026-07-10 21:46 – Updated: 2026-07-13 17:50
VLAI
EPSS
VEX
Title
Login Disable - Moderately critical - Access bypass - SA-CONTRIB-2026-070
Summary
Improper Restriction of Excessive Authentication Attempts vulnerability in Drupal Login Disable allows Brute Force. This issue affects Login Disable versions: from 0.0.0 to 2.1.4.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-13 17:50 UTC
CWE
- CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Drupal | Login Disable |
Affected:
0.0.0 , < 2.1.4
(semver)
|
Date Public
2026-07-08 17:12
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CVE-2026-14254 (GCVE-0-2026-14254)
Vulnerability from cvelistv5 – Published: 2026-07-16 14:12 – Updated: 2026-07-16 14:54
VLAI
EPSS
VEX
Title
Improper Restriction of Excessive Authentication Attempts in Delphix Continuous Data
Summary
A race condition in the account lockout mechanism in Delphix Continous Data allowed the lockout threshold to be bypassed through concurrent authentication requests. Parallel login attempts were processed before the failed-login counter and lockout status were updated, defeating brute-force protections and enabling continued password guessing against a targeted account.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-16 14:54 UTC
CWE
- CWE-307 - Improper restriction of excessive authentication attempts
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Perforce | Delphix Continuous Data |
Unaffected:
2026.4.0.0
(custom)
|
Date Public
2026-07-15 18:30
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CVE-2026-11779 (GCVE-0-2026-11779)
Vulnerability from cvelistv5 – Published: 2026-06-26 16:09 – Updated: 2026-06-26 17:15
VLAI
EPSS
VEX
Title
PayloadCMS 3.84.1 - Authenticated account lockout bypass through default unlock access
Summary
An Improper Authorization vulnerability exists in PayloadCMS version 3.84.1 due to insufficient access control on the account unlock operation.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-26 17:15 UTC
CWE
- CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://fluidattacks.com/es/advisories/stitches | third-party-advisory |
| https://github.com/payloadcms/payload | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PayloadCMS | PayloadCMS |
Affected:
3.84.1
cpe:2.3:a:payloadcms:payloadcms:3.84.1:*:windows:*:*:*:*:* cpe:2.3:a:payloadcms:payloadcms:3.84.1:*:macos:*:*:*:*:* cpe:2.3:a:payloadcms:payloadcms:3.84.1:*:linux:*:*:*:*:* |
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CVE-2026-10216 (GCVE-0-2026-10216)
Vulnerability from cvelistv5 – Published: 2026-06-01 02:30 – Updated: 2026-06-01 13:18
VLAI
EPSS
VEX
Title
unitedbyai droidclaw claim Endpoint pairing.ts excessive authentication
Summary
A vulnerability was detected in unitedbyai droidclaw up to 0.5.3. The affected element is an unknown function of the file server/src/routes/pairing.ts of the component claim Endpoint. The manipulation results in improper restriction of excessive authentication attempts. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is described as difficult. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-01 13:17 UTC
CWE
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/367495 | vdb-entry |
| https://vuldb.com/vuln/367495/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-10216 | third-party-advisory |
| https://vuldb.com/submit/821936 | third-party-advisory |
| https://github.com/unitedbyai/droidclaw/issues/14 | issue-tracking |
| https://gist.github.com/YLChen-007/2639ccaefd55ef… | exploit |
| https://github.com/unitedbyai/droidclaw/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| unitedbyai | droidclaw |
Affected:
0.5.0
Affected: 0.5.1 Affected: 0.5.2 Affected: 0.5.3 cpe:2.3:a:unitedbyai:droidclaw:*:*:*:*:*:*:*:* |
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CVE-2026-8793 (GCVE-0-2026-8793)
Vulnerability from cvelistv5 – Published: 2026-08-03 06:58 – Updated: 2026-08-03 14:32
VLAI
EPSS
VEX
Title
PaperCut NG/MF: Insufficient brute-force protection
Summary
PaperCut NG/MF does not properly restrict excessive authentication attempts within its login component. An unauthenticated remote attacker can exploit this vulnerability to perform unrestricted brute-force or credential-stuffing attacks without triggering account lockout or rate-limiting mechanisms in some configurations.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 14:32 UTC
CWE
- CWE-307 - Improper restriction of excessive authentication attempts
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PaperCut | PaperCut NG/MF |
Affected:
0 , < 26.0.3
(semver)
|
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CVE-2026-8760 (GCVE-0-2026-8760)
Vulnerability from cvelistv5 – Published: 2026-05-27 05:31 – Updated: 2026-05-27 10:33
VLAI
EPSS
VEX
Title
Login with OTP <= 1.6 - Unauthenticated Authentication Bypass via OTP Brute Force
Summary
The Login with OTP plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 1.6. This is due to an incomplete fix for CVE-2024-11178: the rate-limit/lockout check added to `otpl_login_action()` was placed only inside the OTP-generation branch and is never evaluated on the OTP-validation branch, and the generated 6-digit OTP additionally has no expiration. This makes it possible for unauthenticated attackers to brute-force the 900,000-value OTP space for any user account (including administrators) and obtain a valid `wp_set_auth_cookie()` session, leading to full site compromise.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-27 10:16 UTC
CWE
- CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
References
10 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| india-web-developer | Login with OTP |
Affected:
<= 1.6
|
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CVE-2026-8285 (GCVE-0-2026-8285)
Vulnerability from cvelistv5 – Published: 2026-07-21 12:26 – Updated: 2026-07-28 11:34
VLAI
EPSS
VEX
Title
OTP Bypass in Universal Sotware's FlexCity
Summary
Improper restriction of excessive authentication attempts vulnerability in Universal Software Inc. FlexCity allows Excessive Allocation.
This issue affects FlexCity: from 5.536.0 before 5.542.0.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-21 16:18 UTC
CWE
- CWE-307 - Improper restriction of excessive authentication attempts
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Universal Software Inc. | FlexCity |
Affected:
5.536.0 , < 5.542.0
(custom)
|
Date Public
2026-07-21 12:23
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CVE-2026-7671 (GCVE-0-2026-7671)
Vulnerability from cvelistv5 – Published: 2026-05-02 23:30 – Updated: 2026-05-04 13:08
VLAI
EPSS
VEX
Title
CodeWise Tornet Scooter Mobile App TwoFactor excessive authentication
Summary
A vulnerability has been found in CodeWise Tornet Scooter Mobile App 4.75 on iOS/Android. The impacted element is an unknown function of the file /TwoFactor. Such manipulation leads to improper restriction of excessive authentication attempts. The attack may be performed from remote. Attacks of this nature are highly complex. The exploitability is regarded as difficult. The exploit has been disclosed to the public and may 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 2026-05-04 13:08 UTC
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360819 | vdb-entry |
| https://vuldb.com/vuln/360819/cti | signaturepermissions-required |
| https://vuldb.com/submit/799987 | third-party-advisory |
| https://drive.proton.me/urls/M0WFM4137W#MY0jA6pjHYPO | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CodeWise | Tornet Scooter Mobile App |
Affected:
4.75
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CVE-2026-7255 (GCVE-0-2026-7255)
Vulnerability from cvelistv5 – Published: 2026-05-12 03:22 – Updated: 2026-05-12 12:50 Unsupported When Assigned
VLAI
EPSS
VEX
Summary
** UNSUPPORTED WHEN ASSIGNED ** An improper restriction of excessive authentication attempts vulnerability in the web management interface of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to brute-force the password and bypass authentication.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-12 12:50 UTC
CWE
- CWE-307 - Improper restriction of excessive authentication attempts
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | WRE6505 v2 firmware |
Affected:
V1.00(ABDV.3)C0
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CVE-2026-6947 (GCVE-0-2026-6947)
Vulnerability from cvelistv5 – Published: 2026-04-24 03:46 – Updated: 2026-04-24 12:04
VLAI
EPSS
VEX
Title
D-Link｜DWM-222W USB Wi-Fi Adapter - Brute-Force Protection Bypass
Summary
DWM-222W USB Wi-Fi Adapter developed by D-Link has a Brute-Force Protection Bypass vulnerability, allowing unauthenticated adjacent network attackers to bypass login attempt limits to perform brute-force attacks to gain control over the device.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-24 12:03 UTC
CWE
- CWE-307 - Improper restriction of excessive authentication attempts
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-10864-944b1-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-10865-de323-2.html | third-party-advisory |
Date Public
2026-04-24 03:44
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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.