Common Weakness Enumeration

CWE-330

Discouraged

Use of Insufficiently Random Values

Abstraction: Class · Status: Stable

The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.

503 vulnerabilities reference this CWE, most recent first.

CVE-2026-81852 (GCVE-0-2026-81852)

Vulnerability from cvelistv5 – Published: 2026-08-31 02:29 – Updated: 2026-08-31 15:59
VLAI
Title
AshAdmin ships a hardcoded CSP nonce, allowing nonce-based CSP bypass
Summary
Use of Insufficiently Random Values vulnerability in ash-project ash_admin ships a hardcoded, publicly known CSP nonce, defeating nonce-based Content-Security-Policy protection. When mounted without :csp_nonce_assign_key, AshAdmin.Router.ash_admin/2 defaulted the img, style, and script nonces to the literal constant ash_admin-Ed55GFnX, which AshAdmin.Layouts wrote verbatim into the nonce attribute of its inline <style> and <script> tags on every response. The value is a compile-time constant published in the repository and is never rotated per request. If an application's CSP script-src allow-lists that documented default, any HTML-injection sink on an admin page can reuse the known nonce to run inline scripts the policy was meant to block. The fix generates a fresh random nonce per request. This issue affects ash_admin: from 0.10.8 before 1.3.1.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 15:59 UTC
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
EEF CNA under the mitre root
CNA scorecard A 97/100 over 314 records in the last 180 days details
Impacted products
Vendor Product Version
ash-project ash_admin Affected: 0.10.8 , < 1.3.1 (semver)
    cpe:2.3:a:ash-project:ash_admin:*:*:*:*:*:*:*:*
Create a notification for this product.
ash-project ash_admin Affected: 99b8daed7b2f79d82fcd9e89338d41b0e1564aa7 , < bc7a1cdf873b16971a8efec35d085f8bb706314f (git)
    cpe:2.3:a:ash-project:ash_admin:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-80154 (GCVE-0-2026-80154)

Vulnerability from cvelistv5 – Published: 2026-09-22 15:22 – Updated: 2026-09-24 19:10
VLAI
Title
Lantronix Autonomous Out-of-Band Devices Predictable Session Token with Validation Bypass
Summary
All firmware versions of Lantronix SLC8000, SLC9000, EMG8500, EMG7500, SLB882, SLCx-03, and SLCx-02 contain an authentication bypass vulnerability in the web management portal that allows unauthenticated attackers to derive valid session tokens of logged-in users and bypass source IP and User-Agent validation. Session tokens are generated deterministically from the device model and the current time at one-second resolution, resulting in a small enumerable set of possible active tokens. Attackers can construct a crafted URI that exploits file extension handling in the web server path routing to bypass per-session source-address validation, then use a derived token from a different source address to gain elevated privileges on the affected device and potentially impact downstream serial-attached devices.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 17:22 UTC
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Date Public
2026-09-18 00:00
Credits
Show details on NVD website

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CVE-2026-76105 (GCVE-0-2026-76105)

Vulnerability from cvelistv5 – Published: 2026-10-06 15:10 – Updated: 2026-10-06 19:30
VLAI
Summary
Dell Container Storage Modules, versions prior to 1.18.0 contain(s) an Use of Insufficiently Random Values vulnerability. An unauthenticated attacker with local access could potentially exploit this vulnerability, leading to Information tampering.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 19:25 UTC
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
dell CNA under the mitre root
CNA scorecard C 70/100 over 449 records in the last 180 days details
References
Impacted products
Vendor Product Version
Dell Container Storage Modules Affected: 0 , < 1.18.0 or later (semver)
Create a notification for this product.
Date Public
2026-10-01 06:30
Show details on NVD website

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CVE-2026-71225 (GCVE-0-2026-71225)

Vulnerability from cvelistv5 – Published: 2026-08-05 12:16 – Updated: 2026-09-21 12:13
VLAI
Title
Libkcapi: iv reuse in libkcapi one-shot symmetric cipher chunking causes cipher state reset across chunk boundaries
Summary
A flaw was found in libkcapi. When performing one-shot symmetric cipher operations on large inputs (over 64 KiB) in stateful modes such as Counter (CTR) or Cipher Block Chaining (CBC), the library improperly reuses the Initialization Vector (IV) for each internal data chunk. A remote attacker could potentially exploit this by making an application that uses libkcapi process specially crafted large inputs. This can lead to a significant weakening of data confidentiality, as the repeated IV use can expose relationships in encrypted plaintext, and may also affect data integrity by causing incorrect cryptographic processing.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 14:20 UTC
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1036 records in the last 180 days details
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:56985 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:67265 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:67266 vendor-advisoryx_refsource_REDHAT
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https://bugzilla.redhat.com/show_bug.cgi?id=2462011 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Stephan Muelle libkcapi Affected: 0.10.1 , < 1.5.1 (semver)
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:1.5.1-1.el10_2 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.2
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:1.5.0-6.el10_0 , < * (rpm)
    cpe:/o:redhat:enterprise_linux_eus:10.0
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:1.4.0-3.el8_10 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.4.0-3.el9_8 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
Create a notification for this product.
Red Hat Red Hat Hardened Images Unaffected: 1.5.1-0.1.hum1 , < * (rpm)
    cpe:/a:redhat:hummingbird:1
Create a notification for this product.
Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
Create a notification for this product.
Date Public
2026-08-05 11:55
Show details on NVD website

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CVE-2026-66391 (GCVE-0-2026-66391)

Vulnerability from cvelistv5 – Published: 2026-07-27 16:45 – Updated: 2026-07-28 14:49
VLAI
Title
Apache Wicket: leaked and missing CSP headers
Summary
Use of Insufficiently Random Values, Protection Mechanism Failure vulnerability in Apache Wicket. This issue affects Apache Wicket: from 9.0.0 through 9.23.0, from 10.0.0 through 10.9.0. Users are recommended to upgrade to version 10.10.0, which fixes the issue.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-27 18:04 UTC
CWE
  • CWE-330 - Use of Insufficiently Random Values
  • CWE-693 - Protection Mechanism Failure
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 946 records in the last 180 days details
Impacted products
Vendor Product Version
Apache Software Foundation Apache Wicket Affected: 9.0.0 , ≤ 9.23.0 (semver)
Affected: 10.0.0 , ≤ 10.9.0 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-66047 (GCVE-0-2026-66047)

Vulnerability from cvelistv5 – Published: 2026-08-31 14:46 – Updated: 2026-10-01 15:20 X_Open Source
VLAI
Title
ProfilePress WordPress Plugin < 4.17.2 Unauthenticated Arbitrary Plugin Installation RCE
Summary
ProfilePress (wp-user-avatar) WordPress plugin before 4.17.2 contains an unauthenticated remote code execution vulnerability that allows unauthenticated attackers to install and activate arbitrary plugins by brute-forcing a weak 32-bit connect token via the ppress_connect_process AJAX handler. Attackers can supply a caller-controlled URL through the file request parameter to trigger silent plugin installation and activation, achieving PHP code execution as the web-server user.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-02 13:58 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-330 - Use of Insufficiently Random Values
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
Impacted products
Vendor Product Version
Proper Fraction ProfilePress Affected: 0 , < 4.17.2 (semver)
    cpe:2.3:a:properfraction:profilepress:*:*:*:*:*:wordpress:*:*
Create a notification for this product.
Date Public
2026-08-26 00:00
Show details on NVD website

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CVE-2026-63149 (GCVE-0-2026-63149)

Vulnerability from cvelistv5 – Published: 2026-10-13 19:40 – Updated: 2026-10-14 16:43 X_Open Source
VLAI
Title
Omnispace Agora Project < 26.10.0 Predictable Default Password via uniqid()
Summary
Omnispace Agora Project before 26.10.0 contains an insecure randomness vulnerability that allows attackers to predict temporary or default account passwords generated by Txt::defaultPassword() using PHP's uniqid() function based on server time in microseconds. Attackers who observe or approximate the account creation time can compute the predictable password and take over the account before the legitimate user logs in.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 16:43 UTC
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
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
Show details on NVD website

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CVE-2026-62862 (GCVE-0-2026-62862)

Vulnerability from cvelistv5 – Published: 2026-08-25 21:43 – Updated: 2026-08-26 15:04
VLAI
Title
TypeBot: Account takeover via brute-forceable 6-digit magic-link code
Summary
Typebot is an open-source chatbot builder. In self-hosted versions up to and including 3.17.1, the default passwordless email magic-link authentication is vulnerable to login-code brute forcing that leads to account takeover. The email provider overrides NextAuth's default cryptographically secure token with a 6-digit code generated using Math.random(), reducing the keyspace to 900,000 with a 10-minute expiry, and the code itself is the raw value placed in the magic link. The verification callback enforces no attempt limit, lockout, or CSRF protection, and an incorrect guess does not consume the real code because the adapter returns null on a not-found token, so a valid code survives unlimited guessing within its lifetime. The only rate limiter applies to the code-sending path and is keyed on the client-controlled X-Forwarded-For header, allowing an attacker to request many concurrent live codes for one victim and further raise the odds of a matching guess. As a result, an anonymous attacker who knows a victim's email address can brute-force the callback and obtain an authenticated session as that user with no victim interaction, gaining full access to the victim's bots, results, and connected integration credentials. Deployments configured for OAuth or SSO only, with no email provider, are not affected. This issue is fixed in version 3.18.0
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:04 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
  • CWE-330 - Use of Insufficiently Random Values
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7771 records in the last 180 days details
Impacted products
Vendor Product Version
baptisteArno typebot.io Affected: < 3.18.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-57082 (GCVE-0-2026-57082)

Vulnerability from cvelistv5 – Published: 2026-06-30 11:05 – Updated: 2026-07-20 06:43
VLAI
Title
Net::BitTorrent versions before 2.1.0 for Perl generate the MSE Diffie-Hellman private key with a non-cryptographic PRNG
Summary
Net::BitTorrent versions before 2.1.0 for Perl generate the MSE Diffie-Hellman private key with a non-cryptographic PRNG. The MSE (Message Stream Encryption) handshake derives its 160-bit Diffie-Hellman private key from Perl's rand(), a non-cryptographic drand48-class generator seeded once per process, in KeyExchange.pm. The shared secret and the RC4 keys derived from it (the SHA-1 of "keyA" or "keyB", the shared secret, and the infohash) therefore depend entirely on a predictable PRNG. The same handshake sends, in cleartext, random padding drawn from the same rand() sequence in _random_pad, immediately after the public key and the private-key draw. A passive observer of the handshake recovers the PRNG state from the cleartext padding, reconstructs the private key, computes the shared secret from the peer's public key on the wire, derives the RC4 keys, and decrypts the connection, defeating the passive-observation obfuscation MSE provides.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-30 14:19 UTC
CWE
  • CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
  • CWE-330 - Use of Insufficiently Random Values
Assigner
CPANSec CNA under the redhat root
CNA scorecard C 64/100 over 273 records in the last 180 days details
Impacted products
Vendor Product Version
SANKO Net::BitTorrent Affected: 0 , < 2.1.0 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-56706 (GCVE-0-2026-56706)

Vulnerability from cvelistv5 – Published: 2026-08-25 01:30 – Updated: 2026-08-25 15:34
VLAI
Title
Adminer before 5.4.3 CSRF Token Secret Recovery via XOR Masking
Summary
Adminer before 5.4.3 uses a CSRF token scheme that transmits both the XOR mask and the masked value in every token (format (rand XOR secret):rand), allowing anyone who observes a single CSRF token (e.g., via network sniffing, log files, Referrer header, or XSS) to recover the session secret with a single XOR operation and forge unlimited valid tokens. The implementation is further weakened by a low-entropy session token (rand(1,1e6), ~20 bits) that permits blind brute-force, and by use of loose comparison (==) in token verification, enabling PHP type juggling. Exploitation enables cross-site request forgery against authenticated sessions, including execution of arbitrary SQL queries.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 15:34 UTC
CWE
  • CWE-330 - Use of Insufficiently Random Values
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
vrana adminer Affected: 0 , < 5.4.3 (semver)
Unaffected: 5.4.3 (semver)
    cpe:2.3:a:adminer:adminer:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-09 00:00
Credits
Show details on NVD website

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Mitigation
Architecture and Design
  • Use a well-vetted algorithm that is currently considered to be strong by experts in the field, and select well-tested implementations with adequate length seeds.
  • In general, if a pseudo-random number generator is not advertised as being cryptographically secure, then it is probably a statistical PRNG and should not be used in security-sensitive contexts.
  • Pseudo-random number generators can produce predictable numbers if the generator is known and the seed can be guessed. A 256-bit seed is a good starting point for producing a "random enough" number.
Mitigation
Implementation

Consider a PRNG that re-seeds itself as needed from high quality pseudo-random output sources, such as hardware devices.

Mitigation MIT-2
Architecture and Design Requirements

Strategy: Libraries or Frameworks

Use products or modules that conform to FIPS 140-2 [REF-267] to avoid obvious entropy problems. Consult FIPS 140-2 Annex C ("Approved Random Number Generators").

CAPEC-112: Brute Force

In this attack, some asset (information, functionality, identity, etc.) is protected by a finite secret value. The attacker attempts to gain access to this asset by using trial-and-error to exhaustively explore all the possible secret values in the hope of finding the secret (or a value that is functionally equivalent) that will unlock the asset.

CAPEC-485: Signature Spoofing by Key Recreation

An attacker obtains an authoritative or reputable signer's private signature key by exploiting a cryptographic weakness in the signature algorithm or pseudorandom number generation and then uses this key to forge signatures from the original signer to mislead a victim into performing actions that benefit the attacker.

CAPEC-59: Session Credential Falsification through Prediction

This attack targets predictable session ID in order to gain privileges. The attacker can predict the session ID used during a transaction to perform spoofing and session hijacking.