Common Weakness Enumeration

CWE-640

Allowed-with-Review

Weak Password Recovery Mechanism for Forgotten Password

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

The product contains a mechanism for users to recover or change their passwords without knowing the original password, but the mechanism is weak.

464 vulnerabilities reference this CWE, most recent first.

CVE-2026-64635 (GCVE-0-2026-64635)

Vulnerability from cvelistv5 – Published: 2026-07-30 06:02 – Updated: 2026-07-30 12:44
VLAI
Summary
Improper handling of the returnUrl parameter in the Forgot Password function of Veeam Service Provider Console allows an unauthenticated attacker to control the domain of the generated password reset link. When the targeted user clicks the link delivered by email, the reset code is transmitted to an attacker-controlled host, allowing the attacker to take over the account.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-30 12:43 UTC
CWE
  • CWE-640 - Weak Password Recovery Mechanism for Forgotten Password
Assigner
hackerone CNA under the mitre root
CNA scorecard D 59/100 over 186 records in the last 180 days details
References
Impacted products
Vendor Product Version
Veeam Service Provider Console Affected: 0 , ≤ 9.2 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-63159 (GCVE-0-2026-63159)

Vulnerability from cvelistv5 – Published: 2026-10-13 19:46 – Updated: 2026-10-14 15:16 X_Open Source
VLAI
Title
Omnispace Agora Project < 26.10.0 Predictable Password-Reset Token Account Takeover
Summary
Omnispace Agora Project before 26.10.0 contains a predictable password-reset token vulnerability that allows unauthenticated attackers to take over user accounts by computing the reset token as sha1(login.password), a deterministic and reusable value. Attackers can derive or brute-force the reset token from known or guessed login and password combinations to forge valid password-reset requests and hijack arbitrary accounts.
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: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 20:02 UTC
CWE
  • CWE-640 - Weak Password Recovery Mechanism for Forgotten Password
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6045 records in the last 180 days details
References
Impacted products
Vendor Product Version
Omnispace Agora Project Affected: 0 , < 26.10.0 (semver)
Create a notification for this product.
Date Public
2026-10-01 00:00
Credits
Geoffrey Robert of akailabs Valentin Holubec of akailabs
Show details on NVD website
To clipboard 

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CVE-2026-61967 (GCVE-0-2026-61967)

Vulnerability from cvelistv5 – Published: 2026-08-13 13:36 – Updated: 2026-08-13 15:26
VLAI
Title
WordPress miniorange otp verification plugin <= 5.5.1 - Privilege Escalation vulnerability
Summary
Unauthenticated Privilege Escalation in miniorange otp verification <= 5.5.1 versions.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 15:02 UTC
CWE
  • CWE-640 - Weak Password Recovery Mechanism for Forgotten Password
Assigner
Patchstack CNA under the mitre root
CNA scorecard C 75/100 over 2864 records in the last 180 days details
References
Impacted products
Vendor Product Version
miniOrange miniorange otp verification Affected: n/a , ≤ 5.5.1 (custom)
Create a notification for this product.
Credits
VDsec | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-56308 (GCVE-0-2026-56308)

Vulnerability from cvelistv5 – Published: 2026-07-12 12:06 – Updated: 2026-07-14 14:45
VLAI
Title
Capgo - Insufficient Authentication in Email Change Endpoint
Summary
Capgo before 12.128.2 allows email address changes without requiring current password re-authentication or verification of the existing email address. An attacker with access to a valid session cookie or authenticated browser can change the account email to gain control of account recovery and bypass multi-factor authentication protections.
Severity
8.4 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/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 2026-07-14 14:44 UTC
CWE
  • CWE-640 - Weak Password Recovery Mechanism for Forgotten Password
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6045 records in the last 180 days details
References
Impacted products
Vendor Product Version
Capgo Capgo Affected: 0 , < 12.128.2 (semver)
Unaffected: 12.128.2 (semver)
Create a notification for this product.
Date Public
2026-02-25 00:00
Show details on NVD website
To clipboard 

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CVE-2026-56081 (GCVE-0-2026-56081)

Vulnerability from cvelistv5 – Published: 2026-06-19 21:39 – Updated: 2026-06-22 17:48
VLAI
Title
Cap-go - Account Lockout via 2FA Misconfiguration on Unverified Email
Summary
Cap-go before 12.128.2 contains an authentication logic flaw that lets an attacker register and control an account bound to a victim's email address before that email is verified. By enabling two-factor authentication on the pre-registered account, the attacker gains control over the account claimed under the victim's identity, allowing them to read and modify its state and enforce organization-level policies, while the legitimate user is denied access to the account tied to their own email.
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 2026-06-22 17:48 UTC
CWE
  • CWE-640 - Weak Password Recovery Mechanism for Forgotten Password
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6045 records in the last 180 days details
References
Impacted products
Vendor Product Version
Cap-go capgo Affected: 0 , < 12.128.2 (semver)
Unaffected: 12.128.2 (semver)
Create a notification for this product.
Date Public
2026-02-10 00:00
Show details on NVD website
To clipboard 

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CVE-2026-55207 (GCVE-0-2026-55207)

Vulnerability from cvelistv5 – Published: 2026-07-09 21:02 – Updated: 2026-07-10 13:34
VLAI
Title
Pimcore: Account Takeover via Password Reset URL Injection allows unauthenticated attacker to hijack any admin account with 2FA bypass
Summary
Pimcore is an Open Source Data & Experience Management Platform. Prior to 2025.4.6 and 2026.1.6, an unauthenticated attacker who knows a valid admin username can take over any Pimcore admin account by sending a password reset request with an attacker-controlled resetPasswordUrl. The server generates a real cryptographic recovery token, appends it to the supplied URL, and emails the link to the victim; when the victim clicks the link, the token is sent to the attacker and can be used with POST /pimcore-studio/api/login/token to authenticate with full admin privileges while bypassing two-factor authentication. This issue is fixed in versions 2025.4.6 and 2026.1.6.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-10 13:34 UTC
CWE
  • CWE-640 - Weak Password Recovery Mechanism for Forgotten Password
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7658 records in the last 180 days details
References
Impacted products
Vendor Product Version
pimcore pimcore Affected: >= 2026.1.0, < 2026.1.6
Affected: < 2025.4.6
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-53997 (GCVE-0-2026-53997)

Vulnerability from cvelistv5 – Published: 2026-10-12 20:48 – Updated: 2026-10-12 20:48 Exclusively Hosted Service
VLAI
Title
Netherman Portal del Hermano Account Takeover via Password Reset Oracle
Summary
Netherman Portal del Hermano (portaldelhermano.es) before 2026-10-06 contains a broken authentication vulnerability in its password-recovery flow at the POST /password/create-access and POST /password/email endpoints, allowing unauthenticated attackers to take over any member account across all tenants by exploiting the lack of rate limiting and distinct error messages that act as oracles for each of the four identity-verification factors (DNI, date of birth, phone number, last four IBAN digits). Attackers can confirm the DNI via the oracle, brute-force the date of birth and IBAN digits, obtain the phone number through open-source intelligence, then submit an attacker-controlled email field so the password reset link is delivered to them, enabling full account takeover including profile data, full IBAN, and fiscal documents.
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
CWE
  • CWE-640 - Weak Password Recovery Mechanism for Forgotten Password
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6045 records in the last 180 days details
References
Impacted products
Date Public
2026-10-12 00:00
Credits
Beatriz Fresno Naumova
Show details on NVD website
To clipboard 

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CVE-2026-53953 (GCVE-0-2026-53953)

Vulnerability from cvelistv5 – Published: 2026-10-01 19:36 – Updated: 2026-10-05 20:58
VLAI
Title
GetSimple CMS: Predictable Password Reset Password Allows Administrator Account Takeover
Summary
GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. In version 3.3.22, the password reset endpoint can be accessed without authentication. When a reset request is submitted for an existing user, the application generates a new temporary password and immediately stores its hash as the user's new password. The temporary password is generated using PHP rand() seeded with microtime(). Because this seed is time-based and has a limited effective search space, an attacker can generate possible reset password candidates. Since the admin login endpoint does not enforce rate limiting or account lockout, these candidates can be tested online until the correct password is found. Successful exploitation may lead to administrator account takeover. At time of publication, there are no publicly available patches.
Severity
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 2026-10-05 20:58 UTC
CWE
  • CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
  • CWE-640 - Weak Password Recovery Mechanism for Forgotten Password
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7658 records in the last 180 days details
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-53904 (GCVE-0-2026-53904)

Vulnerability from cvelistv5 – Published: 2026-07-01 11:58 – Updated: 2026-07-01 13:41
VLAI
Title
Account Denial of Service in MCO
Summary
MCO is vulnerable to Account Denial of Service due to improper implementation of password reset functionality. Each password reset request invalidates previously set password as well as previously issued temporary passwords, furthermore, password resets are not limited in any way. An attacker who provides victim's email and answer to their security question, can successfully initiate the reset process and continuously invalidate credentials, effectively locking the victim out of their account. Answering security questions has a limited number of tries which lowers the risk of this vulnerability. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 25.3.3.1 but may also affect other versions.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-01 13:41 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempt
  • CWE-640 - Weak Password Recovery Mechanism for Forgotten Password
Assigner
CERT-PL CNA under the ENISA root
CNA scorecard B 81/100 over 217 records in the last 180 days details
References
Impacted products
Vendor Product Version
MyComplianceOffice MCO Affected: 25.3.3.1 (custom)
Create a notification for this product.
Credits
Hubert Decyusz (AFINE Team)
Show details on NVD website
To clipboard 

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CVE-2026-53646 (GCVE-0-2026-53646)

Vulnerability from cvelistv5 – Published: 2026-07-06 22:58 – Updated: 2026-07-07 13:56
VLAI
Title
FOSSBilling: Client password reset token reuse allows persistent account takeover
Summary
FOSSBilling is a free, open-source billing and client management system. In versions 0.5.6 through 0.7.2, when a `ClientPasswordReset` record already exists for a client (from a previous unexpired reset request), subsequent calls to the `reset_password` guest API endpoint reuse the existing token instead of generating a new one. The 15-minute validity window is anchored to the first request's `created_at` timestamp, not the time of the most recent email. An attacker who obtained the original reset link remains able to use it even after the victim requests a new reset, because the original token is never invalidated or rotated. Version 0.8.0 patches the issue. Some workarounds are available. Configure a reverse proxy (e.g., Nginx, Apache, Cloudflare) to apply per-IP rate limiting to the `/client/reset-password` endpoint to minimize the window of opportunity, and/or manually clear expired `client_password_reset` records from the database after a client reports a suspected compromise.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-07 13:55 UTC
CWE
  • CWE-640 - Weak Password Recovery Mechanism for Forgotten Password
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7658 records in the last 180 days details
References
Impacted products
Vendor Product Version
FOSSBilling FOSSBilling Affected: >= 0.5.6, < 0.8.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation
Architecture and Design

Make sure that all input supplied by the user to the password recovery mechanism is thoroughly filtered and validated.

Mitigation
Architecture and Design

Do not use standard weak security questions and use several security questions.

Mitigation
Architecture and Design

Make sure that there is throttling on the number of incorrect answers to a security question. Disable the password recovery functionality after a certain (small) number of incorrect guesses.

Mitigation
Architecture and Design

Require that the user properly answers the security question prior to resetting their password and sending the new password to the e-mail address of record.

Mitigation
Architecture and Design

Never allow the user to control what e-mail address the new password will be sent to in the password recovery mechanism.

Mitigation
Architecture and Design

Assign a new temporary password rather than revealing the original password.

CAPEC-50: Password Recovery Exploitation

An attacker may take advantage of the application feature to help users recover their forgotten passwords in order to gain access into the system with the same privileges as the original user. Generally password recovery schemes tend to be weak and insecure.

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