Common Weakness Enumeration

CWE-319

Allowed

Cleartext Transmission of Sensitive Information

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.

1285 vulnerabilities reference this CWE, most recent first.

CVE-2026-81691 (GCVE-0-2026-81691)

Vulnerability from cvelistv5 – Published: 2026-08-27 14:50 – Updated: 2026-10-01 15:21
VLAI
Title
openssl_encrypt before 1.4.9 Credential Leakage via Unvalidated Server URLs
Summary
openssl_encrypt versions before 1.4.9 fail to validate server URLs in login and register_with_email functions, accepting unencrypted http:// URLs and unconfigured hosts. Attackers on the network path can intercept cleartext credentials including client_id, passwords, and JWTs to achieve full keyserver account takeover.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 17:51 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6503 records in the last 180 days details
References
Impacted products
Vendor Product Version
jahlives openssl_encrypt Affected: 0 , < 1.4.9 (semver)
Unaffected: 1.4.9 (semver)
    cpe:2.3:a:jahlives:openssl_encrypt:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-12 00:00
Show details on NVD website
To clipboard 

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CVE-2026-81330 (GCVE-0-2026-81330)

Vulnerability from cvelistv5 – Published: 2026-09-09 15:33 – Updated: 2026-09-09 19:15
VLAI
Title
Softish C6 Ear Camera and EarVision Android Application Cleartext transmission of sensitive information
Summary
The C6 ear camera transmits live video to the EarVision Android application over unencrypted UDP streams. The application manifest permits cleartext traffic, and captured network traffic contains reconstructable JPEG or WEBP video frames transmitted over UDP. An attacker within local wireless range may capture and reconstruct the live video stream without transport encryption.
Severity
7.1 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/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 2026-09-09 19:14 UTC
CWE
Assigner
icscert CNA under the icscert root
CNA scorecard B 75/100 over 351 records in the last 180 days details
References
Impacted products
Date Public
2026-09-08 17:00
Credits
Matthew Dubbrin from Vexel Foundation reported this vulnerability to CISA
Show details on NVD website
To clipboard 

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CVE-2026-80216 (GCVE-0-2026-80216)

Vulnerability from cvelistv5 – Published: 2026-08-26 02:51 – Updated: 2026-08-26 02:55
VLAI

duplicate record

Show details on NVD website
To clipboard 

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CVE-2026-79782 (GCVE-0-2026-79782)

Vulnerability from cvelistv5 – Published: 2026-08-25 15:16 – Updated: 2026-08-28 22:26
VLAI
Title
rclone before 1.74.4 Security Token Disclosure via HTTPS to HTTP Redirect
Summary
rclone before 1.74.4 fails to strip the X-Amz-Security-Token header when an S3 redirect changes scheme from HTTPS to HTTP on the same host. Attackers can intercept plaintext HTTP traffic to capture AWS STS session tokens sent in request headers.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3.1 (Low)
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 22:26 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6503 records in the last 180 days details
References
Impacted products
Vendor Product Version
rclone rclone Affected: 0 , < 1.74.4 (semver)
Unaffected: 1.74.4 (semver)
    cpe:2.3:a:rclone:rclone:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-08 00:00
Credits
iaohkut-from-NightWolf-Team ncw
Show details on NVD website
To clipboard 

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CVE-2026-79779 (GCVE-0-2026-79779)

Vulnerability from cvelistv5 – Published: 2026-08-25 15:16 – Updated: 2026-08-27 16:45
VLAI
Title
rclone before v1.75.0 WebDAV Credential Exposure via HTTPS-to-HTTP Redirect
Summary
rclone versions before v1.75.0 fail to reject transport downgrades in redirect handling, allowing Basic authorization and Cookie headers to be replayed over plaintext HTTP after same-host HTTPS-to-HTTP redirects. An on-path attacker observing the plaintext hop can capture and reuse credentials to perform WebDAV operations with the compromised account's permissions.
Severity
6 (Medium)
CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
5.3 (Medium)
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/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 2026-08-27 16:12 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6503 records in the last 180 days details
References
Impacted products
Vendor Product Version
rclone rclone Affected: 0 , < 1.75.0 (semver)
Unaffected: 1.75.0 (semver)
    cpe:2.3:a:rclone:rclone:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-31 00:00
Credits
cyberlanc3r ncw
Show details on NVD website
To clipboard 

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CVE-2026-77131 (GCVE-0-2026-77131)

Vulnerability from cvelistv5 – Published: 2026-08-25 09:00 – Updated: 2026-08-25 14:51
VLAI
Title
Cleartext Transmission of Sensitive Information in extension "SYSSY - TYPO3 Monitoring & Security Checks" (syssy)
Summary
When OpenSSL is unavailable on the server, the extension transmits TYPO3 system information in cleartext instead of encrypting it. Exploitation requires the attacker to already be in control of the SYSSY project's API key.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 14:41 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
TYPO3 CNA under the mitre root
CNA scorecard B 84/100 over 52 records in the last 180 days details
References
Impacted products
Date Public
2026-08-25 09:00
Credits
Ingrid Stürmer
Show details on NVD website
To clipboard 

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CVE-2026-76244 (GCVE-0-2026-76244)

Vulnerability from cvelistv5 – Published: 2026-08-19 14:02 – Updated: 2026-08-19 14:30
VLAI
Title
stigmem-node Insecure Federation Transport Configuration
Summary
stigmem-node contains an insecure default configuration vulnerability that allows federation traffic to traverse networks without mTLS protection when non-loopback endpoints are enabled. Operators who explicitly disabled mTLS while binding federation to non-loopback addresses expose federation traffic to cleartext interception and man-in-the-middle attacks.
Severity
9.1 (Critical)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-19 14:21 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6503 records in the last 180 days details
References
Impacted products
Vendor Product Version
eidetic-labs stigmem Affected: 0 , < 0.9.0a2 (custom)
Unaffected: 0.9.0a2 (custom)
Create a notification for this product.
Date Public
2026-05-19 00:00
Show details on NVD website
To clipboard 

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CVE-2026-76114 (GCVE-0-2026-76114)

Vulnerability from cvelistv5 – Published: 2026-09-29 12:15 – Updated: 2026-09-29 13:14
VLAI
Summary
Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains a Cleartext Transmission of Sensitive Information vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Information disclosure.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 13:13 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
dell CNA under the mitre root
CNA scorecard C 70/100 over 442 records in the last 180 days details
References
Impacted products
Vendor Product Version
Dell Secure Connect Gateway (SCG) Policy Manager Affected: 0 , < 5.36.00.16 or later (semver)
Create a notification for this product.
Date Public
2026-08-31 06:30
Show details on NVD website
To clipboard 

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CVE-2026-73809 (GCVE-0-2026-73809)

Vulnerability from cvelistv5 – Published: 2026-08-27 21:15 – Updated: 2026-10-05 19:22
VLAI
Title
Ebyte NA111-M Cleartext Transmission of Sensitive Information
Summary
A cleartext transmission of sensitive information vulnerability exists in certain Ebyte gateway products. The web management interface does not adequately protect sensitive communications using transport-layer encryption. An attacker with access to network traffic could intercept authentication or session-related information transmitted between a user and the affected device. Successful exploitation could result in disclosure of sensitive information and unauthorized access to device management functionality.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 13:56 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
icscert CNA under the icscert root
CNA scorecard B 75/100 over 351 records in the last 180 days details
References
Impacted products
Credits
Jithin Nambiar J reported this vulnerability to CISA.
Show details on NVD website
To clipboard 

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CVE-2026-73174 (GCVE-0-2026-73174)

Vulnerability from cvelistv5 – Published: 2026-09-16 12:59 – Updated: 2026-09-17 18:57
VLAI
Summary
Nozomi Networks Labs identified a CWE-319: Cleartext Transmission of Sensitive Information vulnerability in the edgserver management protocol of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows a network-adjacent passive observer to intercept management traffic and recover sensitive device identity and network metadata in cleartext.
Severity
8.7 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/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 2026-09-17 18:56 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
Nozomi CNA under the mitre root
CNA scorecard B 81/100 over 58 records in the last 180 days details
References
Impacted products
Vendor Product Version
Advantech EKI-1242IEIMS Affected: 0 , ≤ 1.06.01 (semver)
Create a notification for this product.
Advantech EKI-1242EIMS Affected: 0 , ≤ 1.06.01 (semver)
Create a notification for this product.
Credits
Simone Bossi at Nozomi Networks
Show details on NVD website
To clipboard 

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Mitigation
Architecture and Design

Before transmitting, encrypt the data using reliable, confidentiality-protecting cryptographic protocols.

Mitigation
Implementation

When using web applications with SSL, use SSL for the entire session from login to logout, not just for the initial login page.

Mitigation
Implementation

When designing hardware platforms, ensure that approved encryption algorithms (such as those recommended by NIST) protect paths from security critical data to trusted user applications.

Mitigation
Testing

Use tools and techniques that require manual (human) analysis, such as penetration testing, threat modeling, and interactive tools that allow the tester to record and modify an active session. These may be more effective than strictly automated techniques. This is especially the case with weaknesses that are related to design and business rules.

Mitigation
Operation

Configure servers to use encrypted channels for communication, which may include SSL or other secure protocols.

CAPEC-102: Session Sidejacking

Session sidejacking takes advantage of an unencrypted communication channel between a victim and target system. The attacker sniffs traffic on a network looking for session tokens in unencrypted traffic. Once a session token is captured, the attacker performs malicious actions by using the stolen token with the targeted application to impersonate the victim. This attack is a specific method of session hijacking, which is exploiting a valid session token to gain unauthorized access to a target system or information. Other methods to perform a session hijacking are session fixation, cross-site scripting, or compromising a user or server machine and stealing the session token.

CAPEC-117: Interception

An adversary monitors data streams to or from the target for information gathering purposes. This attack may be undertaken to solely gather sensitive information or to support a further attack against the target. This attack pattern can involve sniffing network traffic as well as other types of data streams (e.g. radio). The adversary can attempt to initiate the establishment of a data stream or passively observe the communications as they unfold. In all variants of this attack, the adversary is not the intended recipient of the data stream. In contrast to other means of gathering information (e.g., targeting data leaks), the adversary must actively position themself so as to observe explicit data channels (e.g. network traffic) and read the content. However, this attack differs from a Adversary-In-the-Middle (CAPEC-94) attack, as the adversary does not alter the content of the communications nor forward data to the intended recipient.

CAPEC-383: Harvesting Information via API Event Monitoring

An adversary hosts an event within an application framework and then monitors the data exchanged during the course of the event for the purpose of harvesting any important data leaked during the transactions. One example could be harvesting lists of usernames or userIDs for the purpose of sending spam messages to those users. One example of this type of attack involves the adversary creating an event within the sub-application. Assume the adversary hosts a "virtual sale" of rare items. As other users enter the event, the attacker records via AiTM (CAPEC-94) proxy the user_ids and usernames of everyone who attends. The adversary would then be able to spam those users within the application using an automated script.

CAPEC-477: Signature Spoofing by Mixing Signed and Unsigned Content

An attacker exploits the underlying complexity of a data structure that allows for both signed and unsigned content, to cause unsigned data to be processed as though it were signed data.

CAPEC-65: Sniff Application Code

An adversary passively sniffs network communications and captures application code bound for an authorized client. Once obtained, they can use it as-is, or through reverse-engineering glean sensitive information or exploit the trust relationship between the client and server. Such code may belong to a dynamic update to the client, a patch being applied to a client component or any such interaction where the client is authorized to communicate with the server.

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