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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.

1217 vulnerabilities reference this CWE, most recent first.

CVE-2026-91988 (GCVE-0-2026-91988)

Vulnerability from cvelistv5 – Published: 2026-09-15 15:18 – Updated: 2026-09-15 15:50
VLAI
Title
atomic-agents-stack before 1.1.0 Remote Code Execution via HTTP MCP
Summary
atomic-agents-stack before 1.1.0 accepts cleartext HTTP schemes in the HTTP MCP server-registry backend factory, allowing network man-in-the-middle attackers to rewrite catalog responses. Attackers can inject arbitrary command and argument values that are spawned as local subprocesses by MCPClientPool to achieve code execution on the agent host.
Severity
9.2 (Critical)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 15:48 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
Impacted products
Vendor Product Version
dep0we atomic-agents-stack Affected: 0 , < 1.1.0 (semver)
Unaffected: 1.1.0 (semver)
Create a notification for this product.
Date Public
2026-06-10 00:00
Show details on NVD website
To clipboard 

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CVE-2026-88013 (GCVE-0-2026-88013)

Vulnerability from cvelistv5 – Published: 2026-09-10 15:39 – Updated: 2026-09-10 16:12
VLAI
Title
rclone: http backend forwards custom/auth headers to a different host on redirect
Summary
rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.49.0 until 1.75.1, the HTTP backend attaches headers configured through --http-headers or headers= to requests in backend/http/http.go, while its fshttp.NewClient client follows redirects without a backend-specific http.Client.CheckRedirect policy. A configured remote that redirects to another host can therefore cause custom secrets such as X-Api-Key to be resent to that untrusted destination, and a same-host HTTPS-to-HTTP redirect can expose Authorization or Cookie headers in cleartext. Listing, stat, download, mount, and serve operations can trigger the leak during normal use. This issue is fixed in version 1.75.1.
Severity
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 16:12 UTC
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-319 - Cleartext Transmission of Sensitive Information
  • CWE-522 - Insufficiently Protected Credentials
Assigner
References
Impacted products
Vendor Product Version
rclone rclone Affected: >= 1.49.0, < 1.75.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-84381 (GCVE-0-2026-84381)

Vulnerability from cvelistv5 – Published: 2026-09-02 18:01 – Updated: 2026-09-05 01:03
VLAI
Title
HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies
Summary
HTTPX2 is a next generation HTTP client for Python. Prior to 2.10.0, httpcore2 fails to start TLS in src/httpcore2/httpcore2/_sync/socks_proxy.py and src/httpcore2/httpcore2/_async/socks_proxy.py when the remote origin uses wss through a SOCKS5 proxy because the TLS upgrade condition only recognizes https. HTTPX2 exposes the flaw through Client.websocket() and AsyncClient.websocket() from 2.6.0 through 2.9.1, so the opening handshake, query parameters, Authorization headers, cookies, and subsequent frames can cross the proxy path in plaintext without certificate verification. An attacker controlling or observing that path can read or modify traffic and impersonate the WebSocket server. This issue is fixed in httpcore2 2.10.0 and HTTPX2 2.10.0.
Severity
8.1 (High)
CVSS:3.1/AV:A/AC:L/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 2026-09-05 01:03 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-84366 (GCVE-0-2026-84366)

Vulnerability from cvelistv5 – Published: 2026-09-01 20:29 – Updated: 2026-09-02 16:02
VLAI
Title
Scrapy: S3DownloadHandler sends signed S3 requests over plaintext HTTP by default
Summary
Scrapy is a high-level web crawling and scraping framework for Python. Prior to 2.17.0, in scrapy/core/downloader/handlers/s3.py, Scrapy's S3DownloadHandler converts an S3-scheme bucket and key request into a plaintext HTTP request to the corresponding S3 endpoint unless request.meta["is_secure"] is explicitly enabled, then signs and sends the plaintext request with configured AWS credentials. A network attacker who can observe traffic between Scrapy and S3 can read the bucket and key path, AWS Authorization header, X-Amz-Security-Token when temporary credentials are used, S3 object contents, and S3 response headers. An active man-in-the-middle attacker can also modify the plaintext S3 response body, status code, and headers before Scrapy processes them, causing scraped-data poisoning, poisoned exports, HTTP cache poisoning when caching is enabled, or influence over later crawl targets through forged redirects or attacker-controlled links. Users making S3-scheme requests with AWS credentials are affected. This issue is fixed in version 2.17.0.
Severity
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 2026-09-02 13:43 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
Impacted products
Vendor Product Version
scrapy scrapy Affected: < 2.17.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-81836 (GCVE-0-2026-81836)

Vulnerability from cvelistv5 – Published: 2026-08-27 21:15 – Updated: 2026-08-31 18:24 Unsupported When Assigned
VLAI
Title
RooCodeInc Roo-Code OAuth Callback oauth.ts cleartext transmission
Summary
A vulnerability was detected in RooCodeInc Roo-Code up to 3.51.1. This vulnerability affects unknown code of the file src/integrations/claude-code/oauth.ts of the component OAuth Callback. The manipulation results in cleartext transmission of sensitive information. The attack may be performed from remote. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The exploit is now public and may be used. Multiple isses were reported to the vendor beforehand. They explain, that "they all apply to Roo Code, a project we no longer support - the repository was archived a while ago, and we don't encourage anyone to use it." This vulnerability only affects products that are no longer supported by the maintainer.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
3.7 (Low)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 18:24 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
  • CWE-310 - Cryptographic Issues
Assigner
References
Impacted products
Vendor Product Version
RooCodeInc Roo-Code Affected: 3.51.0
Affected: 3.51.1
    cpe:2.3:a:roocodeinc:roo-code:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
tchen200311 (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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

Vulnerability from cvelistv5 – Published: 2026-08-27 14:50 – Updated: 2026-08-27 17:52
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
References
Impacted products
Vendor Product Version
jahlives openssl_encrypt Affected: 0 , < 1.4.9 (semver)
Unaffected: 1.4.9 (semver)
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
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
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
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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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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