Common Weakness Enumeration
CWE-330
DiscouragedUse 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.
496 vulnerabilities reference this CWE, most recent first.
CVE-2026-105786 (GCVE-0-2026-105786)
Vulnerability from cvelistv5 – Published: 2026-10-05 23:18 – Updated: 2026-10-06 17:39
VLAI
EPSS
VEX
Title
Joplin: Unauthenticated account takeover via an attacker-chosen application-authorisation identifier
Summary
Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.13, packages/server/src/models/ApplicationModel.ts accepts a caller-chosen application authorization identifier, applications/:id/confirm binds that identifier to a logged-in user through a generic consent page, and the public packages/server/src/routes/api/application_auth.ts endpoint passes it to ApplicationModel.createAppPassword without authenticating or binding the redeemer. An attacker can cause a victim to approve the attacker's identifier, redeem a durable application ID and password, and exchange the credential for a victim session with full read and write access to synchronized data. This vulnerability is fixed in 3.7.13.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 17:39 UTC
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/laurent22/joplin/security/advi… | x_refsource_CONFIRM |
| https://github.com/laurent22/joplin/pull/16270 | x_refsource_MISC |
| https://github.com/laurent22/joplin/commit/1a0a50… | x_refsource_MISC |
| https://github.com/laurent22/joplin/releases/tag/… | x_refsource_MISC |
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CVE-2026-105674 (GCVE-0-2026-105674)
Vulnerability from cvelistv5 – Published: 2026-10-08 22:21 – Updated: 2026-10-08 22:21
VLAI
EPSS
VEX
Title
Predictable Media Stream Pre-Shared Key Vulnerability in TP-Link Tapo C325WB
Summary
TP-Link Tapo
C325WB V2 generates the pre-shared key used by its local media streaming
service with a time-seeded pseudo-random number generator, making the key
predictable and recoverable. An unauthenticated attacker on the adjacent
network can recover the key and authenticate to the media streaming service
without valid user credentials.
Successful
exploitation may allow an unauthenticated adjacent-network attacker to access
and take over live video and audio streams, compromising the confidentiality
and integrity of camera media.
Severity
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/tapo-… | patch |
| https://www.tp-link.com/en/support/download/tapo-… | patch |
| https://www.tp-link.com/us/support/faq/5333/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Tapo C325WB v2 |
Affected:
0 , < V2_1.3.3 Build 260914
(custom)
|
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CVE-2026-102719 (GCVE-0-2026-102719)
Vulnerability from cvelistv5 – Published: 2026-09-29 17:45 – Updated: 2026-09-29 18:39
VLAI
EPSS
VEX
Summary
Predictable DTLS HelloVerifyRequest Cookie in NetX Secure
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 18:39 UTC
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | netxduo |
Affected:
0 , ≤ 6.5.1
(semver)
|
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CVE-2026-96599 (GCVE-0-2026-96599)
Vulnerability from cvelistv5 – Published: 2026-09-23 14:52 – Updated: 2026-09-24 14:23
VLAI
EPSS
VEX
Title
Isotope eCommerce through 2.9.10 Weak Order Identifier Generation
Summary
Isotope eCommerce through 2.9.10 derives order identifiers from uniqid() instead of a cryptographically secure source, allowing unauthenticated attackers to guess identifiers. Guest orders lack ownership verification, enabling attackers to access order details including billing address, customer information, and purchased files by supplying a guessed uid parameter.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 15:19 UTC
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/isotope/core/issues/2585 | issue-tracking |
| https://github.com/isotope/core | product |
| https://github.com/isotope/core/blob/028d47cbe69c… | technical-description |
| https://github.com/isotope/core/blob/028d47cbe69c… | technical-description |
| https://www.vulncheck.com/advisories/isotope-ecom… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| isotope | isotope-core |
Affected:
0 , ≤ 2.9.10
(semver)
|
Date Public
2026-09-23 00:00
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CVE-2026-94456 (GCVE-0-2026-94456)
Vulnerability from cvelistv5 – Published: 2026-09-22 16:11 – Updated: 2026-09-22 18:11
VLAI
EPSS
VEX
Title
Unauthenticated recovery of the Math.random() state behind OAuth tokens, authorization codes, client secrets and organization API keys
Summary
Postiz generates security-sensitive credentials using `Math.random()` instead of a cryptographically secure source. The same helper is used for OAuth access tokens, authorization codes, client secrets, organization API keys, and PKCE verifiers, meaning these credentials depend entirely on V8’s deterministic xorshift128+ PRNG state.
An unauthenticated OAuth dynamic client registration endpoint exposes freshly generated client credentials, giving attackers enough consecutive PRNG output to reconstruct that internal state. Once recovered, they can deterministically derive past and future values produced by the same generator, potentially compromising credentials belonging to other users and organizations.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 18:10 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/gitroomhq/postiz-app | product |
| https://github.com/gitroomhq/postiz-app/releases/… | release-notes |
| https://github.com/gitroomhq/postiz-app/commit/92… | patch |
| https://gadvisory.org/advisories/PSA-2026-TD98KY | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| GitroomHQ | postiz-app |
Affected:
0 , < 2.4.0
(semver)
|
Date Public
2026-09-22 14:17
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CVE-2026-92930 (GCVE-0-2026-92930)
Vulnerability from cvelistv5 – Published: 2026-09-22 23:10 – Updated: 2026-09-23 13:42
VLAI
EPSS
VEX
Summary
OpenEye Apex Network Video Recorder (NVR) firmware 3.2.9.376 uses an administrator password-reset unlock-code design that lacks a per-device secret or other server-side cryptographic material. An attacker with physical-console access and access to the privileged password-reset workflow can forge a valid unlock code offline and use it to reset the administrator password. The underlying design has been present since at least firmware 2.2.3.4.
Upgrade to version 3.5.4.
Severity
6.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 13:40 UTC
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenEye | Apex Network Video Recorder (NVR) |
Affected:
3.2.9.376
|
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CVE-2026-92913 (GCVE-0-2026-92913)
Vulnerability from cvelistv5 – Published: 2026-09-17 11:16 – Updated: 2026-09-17 12:04
VLAI
EPSS
VEX
Title
AVideo Weak PRNG Activation Code Authentication Bypass
Summary
AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 uses a cryptographically weak pseudo-random number generator when creating account activation / login pairing codes. getRandomCode() in objects/functions.php derives the code entirely from uniqid() (sprintf('%08x%05x', seconds, microseconds)) with a single non-CSPRNG rand() character used only as padding, reducing the code space to roughly 36 x 10^6 (~2^25) values for a known generation second. Because plugin/API/set.json.php?APIName=login_code can be called without authentication, it also serves as an oracle for the server's exact microtime. An unauthenticated remote attacker who guesses a valid, unexpired code (codes expire after 10 minutes) can redeem it at plugin/API/get.json.php?APIName=login_code to obtain the target account's email address and a User::getUserHash(users_id, '+1 year') value, a credential accepted in place of the account password for one year, resulting in account takeover. No patched version is available.
Severity
7.4 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 12:04 UTC
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/WWBN/AVideo/security/advisorie… | vendor-advisory |
| https://www.vulncheck.com/advisories/avideo-weak-… | third-party-advisory |
Impacted products
Date Public
2026-09-02 00:00
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CVE-2026-92912 (GCVE-0-2026-92912)
Vulnerability from cvelistv5 – Published: 2026-09-17 11:16 – Updated: 2026-09-19 02:14
VLAI
EPSS
VEX
Title
AVideo Cryptographically Weak PRNG via uniqid Stream Key
Summary
AVideo through c3edcc274c389816d434acadac07ee78eaf330c1 uses cryptographically weak uniqid() values for RTMP publish keys in LiveTransmition, reducing key entropy to approximately one million possibilities per creation second. Attackers who know the channel creation time can brute-force the five-digit microsecond component to forge valid stream keys and broadcast content as the channel owner.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-19 02:14 UTC
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/WWBN/AVideo/security/advisorie… | vendor-advisory |
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Impacted products
Date Public
2026-09-02 00:00
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CVE-2026-86187 (GCVE-0-2026-86187)
Vulnerability from cvelistv5 – Published: 2026-09-05 12:09 – Updated: 2026-09-10 15:05
VLAI
EPSS
VEX
Title
WWBN AVideo Weak PRNG Password Generation via External Login
Summary
WWBN AVideo generates passwords for external-login accounts using rand() instead of a cryptographic generator, producing only 31-bit integers. Attackers with access to password hashes can recover plaintext passwords in minutes through offline brute-force attacks due to unsalted MD5-based hashing.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 14:19 UTC
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/WWBN/AVideo/security/advisorie… | vendor-advisory |
| https://www.vulncheck.com/advisories/wwbn-avideo-… | third-party-advisory |
Impacted products
Date Public
2026-08-21 00:00
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CVE-2026-82555 (GCVE-0-2026-82555)
Vulnerability from cvelistv5 – Published: 2026-08-30 17:30 – Updated: 2026-08-31 22:04
VLAI
EPSS
VEX
Title
TOTOLINK N600R Authentication cstecgi.cgi loginAuth random values
Summary
A vulnerability has been found in TOTOLINK N600R 4.3.0cu.7866_B20220506. This vulnerability affects the function loginAuth of the file /web_cste/cgi-bin/cstecgi.cgi of the component Authentication Handler. Such manipulation leads to insufficiently random values. It is possible to launch the attack remotely. This attack is characterized by high complexity. It is stated that the exploitability is difficult. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 21:50 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397071 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/397071/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82555 | third-party-advisory |
| https://vuldb.com/submit/891698 | third-party-advisory |
| https://github.com/b1uerry/cves/tree/main/TOTOLIN… | related |
| https://github.com/b1uerry/cves/blob/main/TOTOLIN… | exploit |
| https://www.totolink.net/ | product |
Impacted products
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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.