Common Weakness Enumeration

CWE-319

Allowed

Cleartext Transmission of Sensitive Information

Abstraction: Base · Status: Draft

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

1188 vulnerabilities reference this CWE, most recent first.

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

Vulnerability from cvelistv5 – Published: 2026-08-27 21:15 – Updated: 2026-08-27 21:15 Unsupported When Assigned

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

CWE

CWE-319 - Cleartext Transmission of Sensitive Information
CWE-310 - Cryptographic Issues

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/vuln/396169	vdb-entry
https://vuldb.com/vuln/396169/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-81836	third-party-advisory
https://vuldb.com/submit/864287	third-party-advisory
https://gist.github.com/tchen200311/dcf3d36781e82…	exploit

Impacted products

1 product

Vendor	Product	Version
RooCodeInc	Roo-Code	Affected: 3.51.0 Affected: 3.51.1 cpe:2.3:a:roocodeinc:roo-code::::::::

Credits

tchen200311 (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

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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

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 mitre root

References

2 references

URL	Tags
https://github.com/jahlives/openssl_encrypt/secur…	vendor-advisory
https://www.vulncheck.com/advisories/openssl-encr…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
jahlives	openssl_encrypt	Affected: 0 , < 1.4.9 (semver) Unaffected: 1.4.9 (semver)

Date Public

2026-08-12 00:00

Show details on NVD website

JSON

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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

duplicate record

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JSON

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

Vulnerability from cvelistv5 – Published: 2026-08-25 15:16 – Updated: 2026-08-25 15:16

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

CWE

CWE-319 - Cleartext Transmission of Sensitive Information

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/rclone/rclone/security/advisor…	vendor-advisory
https://www.vulncheck.com/advisories/rclone-befor…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
rclone	rclone	Affected: 0 , < 1.74.4 (semver) Unaffected: 1.74.4 (semver) cpe:2.3:a:rclone:rclone::::::::

Date Public

2026-07-08 00:00

Credits

iaohkut-from-NightWolf-Team ncw

Show details on NVD website

JSON

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

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 mitre root

References

2 references

URL	Tags
https://github.com/rclone/rclone/security/advisor…	vendor-advisory
https://www.vulncheck.com/advisories/rclone-befor…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
rclone	rclone	Affected: 0 , < 1.75.0 (semver) Unaffected: 1.75.0 (semver) cpe:2.3:a:rclone:rclone::::::::

Date Public

2026-07-31 00:00

Credits

cyberlanc3r ncw

Show details on NVD website

JSON

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

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 mitre root

References

1 reference

URL	Tags
https://typo3.org/security/advisory/typo3-ext-sa-…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
TYPO3	Extension "SYSSY - TYPO3 Monitoring & Security Checks"	Affected: 0 , < 3.0.6 (semver)

Date Public

2026-08-25 09:00

Credits

Ingrid Stürmer

Show details on NVD website

JSON

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

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 mitre root

References

2 references

URL	Tags
https://github.com/eidetic-labs/stigmem/security/…	vendor-advisory
https://www.vulncheck.com/advisories/stigmem-node…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
eidetic-labs	stigmem	Affected: 0 , < 0.9.0a2 (custom) Unaffected: 0.9.0a2 (custom)

Date Public

2026-05-19 00:00

Show details on NVD website

JSON

To clipboard

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

Vulnerability from cvelistv5 – Published: 2026-08-27 21:15 – Updated: 2026-08-27 21:15

Title

Ebyte NE2-D11 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

CWE

CWE-319 - Cleartext Transmission of Sensitive Information

Assigner

icscert icscert root

References

2 references

URL	Tags
https://www.cisa.gov/news-events/ics-advisories/i…
https://github.com/cisagov/CSAF/blob/develop/csaf…

Impacted products

1 product

Vendor	Product	Version
Ebyte	Ebyte NE2-D11 Firmware	Affected: FW-9167-0-11

Credits

Jithin Nambiar reported this vulnerability to CISA.

Show details on NVD website

JSON

To clipboard

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CVE-2026-69658 (GCVE-0-2026-69658)

Vulnerability from cvelistv5 – Published: 2026-08-27 21:37 – Updated: 2026-08-27 21:37

Title

Ebyte NE2-D11 Cleartext Transmission of Sensitive Information

Summary

MQTT credentials and control traffic are transmitted in cleartext, exposing sensitive information to network-level attackers. This may enable unauthorized device impersonation and disruption of messaging functions.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

CWE

CWE-319

Assigner

icscert icscert root

References

2 references

URL	Tags
https://www.cisa.gov/news-events/ics-advisories/i…
https://github.com/cisagov/CSAF/blob/develop/csaf…

Impacted products

1 product

Vendor	Product	Version
Ebyte	Ebyte NE2-D11 Firmware	Affected: FW-9167-0-11

Credits

Jithin Nambiar reported this vulnerability to CISA.

Show details on NVD website

JSON

To clipboard

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CVE-2026-55844 (GCVE-0-2026-55844)

Vulnerability from cvelistv5 – Published: 2026-06-29 14:19 – Updated: 2026-06-30 19:02

Title

Home Assistant: iOS Companion App ignores internal SSID allowlist for connections – possible leak of access token and sensor data

Summary

Home Assistant is open source home automation software that puts local control and privacy first. Prior to 2025.5.0, The iOS companion app ignores the SSID allowlist for internal networks. The app uses SSID to detect when to use the internal URL, but whenever the app cannot find any other URL to be used, it fallbacks to the internal URL as well, which can expose user's token when connected to a not secure network. This vulnerability is fixed in 2025.5.0.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-30 19:01 UTC

CWE

CWE-319 - Cleartext Transmission of Sensitive Information

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/home-assistant/core/security/a…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
home-assistant	core	Affected: < 2025.5.0

Show details on NVD website

JSON

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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