CWE-327

Use of a Broken or Risky Cryptographic Algorithm

The product uses a broken or risky cryptographic algorithm or protocol.

CVE-2026-21907 (GCVE-0-2026-21907)

Vulnerability from cvelistv5 – Published: 2026-01-15 20:21 – Updated: 2026-01-15 21:12
VLAI
Title
Junos Space: TLS/SSL server supports use of static key ciphers (ssl-static-key-ciphers)
Summary
A Use of a Broken or Risky Cryptographic Algorithm vulnerability in the TLS/SSL server of Juniper Networks Junos Space allows the use of static key ciphers (ssl-static-key-ciphers), reducing the confidentiality of on-path traffic communicated across the connection. These ciphers also do not support Perfect Forward Secrecy (PFS), affecting the long-term confidentiality of encrypted communications.This issue affects all versions of Junos Space before 24.1R5.
CWE
  • CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
Impacted products
Vendor Product Version
Juniper Networks Junos Space Affected: 0 , < 24.1R5 (semver)
Create a notification for this product.
Date Public
2026-01-14 17:00
Show details on NVD website

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CVE-2026-22585 (GCVE-0-2026-22585)

Vulnerability from cvelistv5 – Published: 2026-01-24 00:15 – Updated: 2026-04-29 19:22
VLAI
Summary
Use of a Broken or Risky Cryptographic Algorithm vulnerability in Salesforce Marketing Cloud Engagement (CloudPages, Forward to a Friend, Profile Center, Subscription Center, Unsub Center, View As Webpage modules) allows Web Services Protocol Manipulation. This issue affects Marketing Cloud Engagement: before January 21st, 2026.
CWE
  • CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
Impacted products
Vendor Product Version
Salesforce Marketing Cloud Engagement Affected: 0 , < January 21, 2026 (date)
Create a notification for this product.
Credits
s.shah@slcyber.io
Show details on NVD website

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CVE-2026-24785 (GCVE-0-2026-24785)

Vulnerability from cvelistv5 – Published: 2026-01-27 23:38 – Updated: 2026-01-28 15:10
VLAI
Title
Clatter has a PSK Validity Rule Violation issue
Summary
Clatter is a no_std compatible, pure Rust implementation of the Noise protocol framework with post-quantum support. Versiosn prior to2.2.0 have a protocol compliance vulnerability. The library allowed post-quantum handshake patterns that violated the PSK validity rule (Noise Protocol Framework Section 9.3). This could allow PSK-derived keys to be used for encryption without proper randomization by self-chosen ephemeral randomness, weakening security guarantees and potentially allowing catastrophic key reuse. Affected default patterns include `noise_pqkk_psk0`, `noise_pqkn_psk0`, `noise_pqnk_psk0`, `noise_pqnn_psk0``, and some hybrid variants. Users of these patterns may have been using handshakes that do not meet the intended security properties. The issue is fully patched and released in Clatter v2.2.0. The fixed version includes runtime checks to detect offending handshake patterns. As a workaround, avoid using offending `*_psk0` variants of post-quantum patterns. Review custom handshake patterns carefully.
CWE
  • CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
Impacted products
Vendor Product Version
jmlepisto clatter Affected: < 2.2.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-2618 (GCVE-0-2026-2618)

Vulnerability from cvelistv5 – Published: 2026-02-17 16:32 – Updated: 2026-02-23 10:14
VLAI
Title
Beetel 777VR1 SSH Service risky encryption
Summary
A vulnerability was determined in Beetel 777VR1 up to 01.00.09. This impacts an unknown function of the component SSH Service. This manipulation causes risky cryptographic algorithm. The attack is possible to be carried out remotely. The attack is considered to have high complexity. The exploitability is said to be difficult. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
CWE
  • CWE-327 - Risky Cryptographic Algorithm
  • CWE-310 - Cryptographic Issues
Assigner
References
Impacted products
Vendor Product Version
Beetel 777VR1 Affected: 01.00.09
Create a notification for this product.
Credits
raghav_2026 (VulDB User)
Show details on NVD website

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CVE-2026-26219 (GCVE-0-2026-26219)

Vulnerability from cvelistv5 – Published: 2026-02-12 18:39 – Updated: 2026-03-05 01:30
VLAI
Title
newbee-mall Unsalted MD5 Password Hashing Enables Offline Credential Cracking
Summary
newbee-mall stores and verifies user passwords using an unsalted MD5 hashing algorithm. The implementation does not incorporate per-user salts or computational cost controls, enabling attackers who obtain password hashes through database exposure, backup leakage, or other compromise vectors to rapidly recover plaintext credentials via offline attacks.
CWE
  • CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
Impacted products
Credits
Lennon Chia
Show details on NVD website

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CVE-2026-27519 (GCVE-0-2026-27519)

Vulnerability from cvelistv5 – Published: 2026-02-24 15:07 – Updated: 2026-02-27 16:27
VLAI
Title
Binardat 10G08-0800GSM Network Switch Hard-coded RC4 Encryption Key
Summary
Binardat 10G08-0800GSM network switch firmware version V300SP10260209 and prior use RC4 with a hard-coded key embedded in client-side JavaScript. Because the key is static and exposed, an attacker can decrypt protected values and defeat confidentiality protections.
CWE
  • CWE-321 - Use of Hard-coded Cryptographic Key
  • CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
Impacted products
Vendor Product Version
Binardat Ltd. 10G08-0800GSM Network Switch Affected: 0 , ≤ V300SP10260209 (custom)
Create a notification for this product.
Credits
Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc.
Show details on NVD website

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CVE-2026-27804 (GCVE-0-2026-27804)

Vulnerability from cvelistv5 – Published: 2026-02-25 23:48 – Updated: 2026-02-26 17:03
VLAI
Title
Parse Server: Account takeover via JWT algorithm confusion in Google auth adapter
Summary
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.3 and 9.1.1-alpha.4, an unauthenticated attacker can forge a Google authentication token with `alg: "none"` to log in as any user linked to a Google account, without knowing their credentials. All deployments with Google authentication enabled are affected. The fix in versions 8.6.3 and 9.1.1-alpha.4 hardcodes the expected `RS256` algorithm instead of trusting the JWT header, and replaces the Google adapter's custom key fetcher with `jwks-rsa` which rejects unknown key IDs. As a workaround, dsable Google authentication until upgrading is possible.
CWE
  • CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
  • CWE-345 - Insufficient Verification of Data Authenticity
Assigner
Impacted products
Vendor Product Version
parse-community parse-server Affected: >= 9.0.0, < 9.3.1-alpha.4
Affected: < 8.6.3
Create a notification for this product.
Show details on NVD website

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CVE-2026-28252 (GCVE-0-2026-28252)

Vulnerability from cvelistv5 – Published: 2026-03-12 17:24 – Updated: 2026-03-13 16:26
VLAI
Title
Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge
Summary
A Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to bypass authentication and gain root-level access to the device.
CWE
  • CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
Impacted products
Vendor Product Version
Trane Tracer SC Affected: 0 , < v4.4 SP7 (custom)
Create a notification for this product.
Trane Tracer SC+ Affected: 0 , < v6.3.2310 (custom)
Create a notification for this product.
Trane Tracer Concierge Affected: 0 , < v6.3.2310 (custom)
Create a notification for this product.
Credits
Noam Moshe of Claroty reported these vulnerabilities to CISA.
Show details on NVD website

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CVE-2026-28479 (GCVE-0-2026-28479)

Vulnerability from cvelistv5 – Published: 2026-03-05 21:59 – Updated: 2026-03-09 18:14
VLAI
Title
OpenClaw < 2026.2.15 - Cache Poisoning via Deprecated SHA-1 Hash in Sandbox Configuration
Summary
OpenClaw versions prior to 2026.2.15 use SHA-1 to hash sandbox identifier cache keys for Docker and browser sandbox configurations, which is deprecated and vulnerable to collision attacks. An attacker can exploit SHA-1 collisions to cause cache poisoning, allowing one sandbox configuration to be misinterpreted as another and enabling unsafe sandbox state reuse.
CWE
  • CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
Impacted products
Vendor Product Version
OpenClaw OpenClaw Affected: 0 , < 2026.2.15 (custom)
Create a notification for this product.
Date Public
2026-02-18 00:00
Credits
@kexinoh (of Tencent zhuque Lab, by https://github.com/Tencent/AI-Infra-Guard)
Show details on NVD website

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CVE-2026-28490 (GCVE-0-2026-28490)

Vulnerability from cvelistv5 – Published: 2026-03-16 17:37 – Updated: 2026-03-16 18:17
VLAI
Title
Authlib Vulnerable to JWE RSA1_5 Bleichenbacher Padding Oracle
Summary
Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a cryptographic padding oracle vulnerability was identified in the Authlib Python library concerning the implementation of the JSON Web Encryption (JWE) RSA1_5 key management algorithm. Authlib registers RSA1_5 in its default algorithm registry without requiring explicit opt-in, and actively destroys the constant-time Bleichenbacher mitigation that the underlying cryptography library implements correctly. This issue has been patched in version 1.6.9.
CWE
  • CWE-203 - Observable Discrepancy
  • CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
Impacted products
Vendor Product Version
authlib authlib Affected: < 1.6.9
Create a notification for this product.
Show details on NVD website

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Mitigation ID: MIT-24

Phase: Architecture and Design

Strategy: Libraries or Frameworks

Description:

  • When there is a need to store or transmit sensitive data, use strong, up-to-date cryptographic algorithms to encrypt that data. Select a well-vetted algorithm that is currently considered to be strong by experts in the field, and use well-tested implementations. As with all cryptographic mechanisms, the source code should be available for analysis.
  • For example, US government systems require FIPS 140-2 certification [REF-1192].
  • Do not develop custom or private cryptographic algorithms. They will likely be exposed to attacks that are well-understood by cryptographers. Reverse engineering techniques are mature. If the algorithm can be compromised if attackers find out how it works, then it is especially weak.
  • Periodically ensure that the cryptography has not become obsolete. Some older algorithms, once thought to require a billion years of computing time, can now be broken in days or hours. This includes MD4, MD5, SHA1, DES, and other algorithms that were once regarded as strong. [REF-267]
Mitigation ID: MIT-52

Phase: Architecture and Design

Description:

  • Ensure that the design allows one cryptographic algorithm to be replaced with another in the next generation or version. Where possible, use wrappers to make the interfaces uniform. This will make it easier to upgrade to stronger algorithms. With hardware, design the product at the Intellectual Property (IP) level so that one cryptographic algorithm can be replaced with another in the next generation of the hardware product.
Mitigation

Phase: Architecture and Design

Description:

  • Carefully manage and protect cryptographic keys (see CWE-320). If the keys can be guessed or stolen, then the strength of the cryptography itself is irrelevant.
Mitigation ID: MIT-4

Phase: Architecture and Design

Strategy: Libraries or Frameworks

Description:

  • 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].
  • Industry-standard implementations will save development time and may be more likely to avoid errors that can occur during implementation of cryptographic algorithms. Consider the ESAPI Encryption feature.
Mitigation ID: MIT-25

Phases: Implementation, Architecture and Design

Description:

  • When using industry-approved techniques, use them correctly. Don't cut corners by skipping resource-intensive steps (CWE-325). These steps are often essential for preventing common attacks.
CAPEC-20: Encryption Brute Forcing

An attacker, armed with the cipher text and the encryption algorithm used, performs an exhaustive (brute force) search on the key space to determine the key that decrypts the cipher text to obtain the plaintext.

CAPEC-459: Creating a Rogue Certification Authority Certificate

An adversary exploits a weakness resulting from using a hashing algorithm with weak collision resistance to generate certificate signing requests (CSR) that contain collision blocks in their "to be signed" parts. The adversary submits one CSR to be signed by a trusted certificate authority then uses the signed blob to make a second certificate appear signed by said certificate authority. Due to the hash collision, both certificates, though different, hash to the same value and so the signed blob works just as well in the second certificate. The net effect is that the adversary's second X.509 certificate, which the Certification Authority has never seen, is now signed and validated by that Certification Authority.

CAPEC-473: Signature Spoof

An attacker generates a message or datablock that causes the recipient to believe that the message or datablock was generated and cryptographically signed by an authoritative or reputable source, misleading a victim or victim operating system into performing malicious actions.

CAPEC-475: Signature Spoofing by Improper Validation

An adversary exploits a cryptographic weakness in the signature verification algorithm implementation to generate a valid signature without knowing the key.

CAPEC-608: Cryptanalysis of Cellular Encryption

The use of cryptanalytic techniques to derive cryptographic keys or otherwise effectively defeat cellular encryption to reveal traffic content. Some cellular encryption algorithms such as A5/1 and A5/2 (specified for GSM use) are known to be vulnerable to such attacks and commercial tools are available to execute these attacks and decrypt mobile phone conversations in real-time. Newer encryption algorithms in use by UMTS and LTE are stronger and currently believed to be less vulnerable to these types of attacks. Note, however, that an attacker with a Cellular Rogue Base Station can force the use of weak cellular encryption even by newer mobile devices.

CAPEC-614: Rooting SIM Cards

SIM cards are the de facto trust anchor of mobile devices worldwide. The cards protect the mobile identity of subscribers, associate devices with phone numbers, and increasingly store payment credentials, for example in NFC-enabled phones with mobile wallets. This attack leverages over-the-air (OTA) updates deployed via cryptographically-secured SMS messages to deliver executable code to the SIM. By cracking the DES key, an attacker can send properly signed binary SMS messages to a device, which are treated as Java applets and are executed on the SIM. These applets are allowed to send SMS, change voicemail numbers, and query the phone location, among many other predefined functions. These capabilities alone provide plenty of potential for abuse.

CAPEC-97: Cryptanalysis

Cryptanalysis is a process of finding weaknesses in cryptographic algorithms and using these weaknesses to decipher the ciphertext without knowing the secret key (instance deduction). Sometimes the weakness is not in the cryptographic algorithm itself, but rather in how it is applied that makes cryptanalysis successful. An attacker may have other goals as well, such as: Total Break (finding the secret key), Global Deduction (finding a functionally equivalent algorithm for encryption and decryption that does not require knowledge of the secret key), Information Deduction (gaining some information about plaintexts or ciphertexts that was not previously known) and Distinguishing Algorithm (the attacker has the ability to distinguish the output of the encryption (ciphertext) from a random permutation of bits).

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