Common Weakness Enumeration
CWE-319
AllowedCleartext 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.
1194 vulnerabilities reference this CWE, most recent first.
CVE-2026-7666 (GCVE-0-2026-7666)
Vulnerability from cvelistv5 – Published: 2026-06-03 13:16 – Updated: 2026-06-03 15:43
VLAI
EPSS
VEX
Title
Potential unencrypted email transmission via STARTTLS in the SMTP backend
Summary
An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.
`django.core.mail.backends.smtp.EmailBackend` in Django fails to prevent reuse of a partially-initialized connection after a failed `STARTTLS` handshake when `fail_silently=True`, which allows on-path network attackers to read email content via cleartext interception.
Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.
Django would like to thank Kasper Dupont for reporting this issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-03 15:43 UTC
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://docs.djangoproject.com/en/dev/releases/se… | vendor-advisory |
| https://groups.google.com/g/django-announce | mailing-list |
| https://www.djangoproject.com/weblog/2026/jun/03/… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| djangoproject | Django |
Affected:
6.0 , < 6.0.6
(python)
Unaffected: 6.0.6 (python) Affected: 5.2 , < 5.2.15 (python) Unaffected: 5.2.15 (python) |
Date Public
2026-06-03 08:00
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CVE-2026-7610 (GCVE-0-2026-7610)
Vulnerability from cvelistv5 – Published: 2026-05-02 09:15 – Updated: 2026-05-04 13:42 Unsupported When Assigned
VLAI
EPSS
VEX
Title
TRENDnet TEW-821DAP Firmware Update ssi cleartext transmission
Summary
A vulnerability has been found in TRENDnet TEW-821DAP 1.12B01. This affects an unknown function of the file /www/cgi/ssi of the component Firmware Update. Such manipulation leads to cleartext transmission of sensitive information. The attack can be executed remotely. This attack is characterized by high complexity. The exploitability is reported as difficult. The exploit has been disclosed to the public and may be used. The vendor explains: "That firmware version will only work on our hardware version v1.xR. We have already EOL that product 8 years ago and are no longer selling". This vulnerability only affects products that are no longer supported by the maintainer.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-04 13:42 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360567 | vdb-entry |
| https://vuldb.com/vuln/360567/cti | signaturepermissions-required |
| https://vuldb.com/submit/806217 | third-party-advisory |
| https://github.com/IOTRes/IOT_Firmware_Update/blo… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TRENDnet | TEW-821DAP |
Affected:
1.12B01
cpe:2.3:o:trendnet:tew-821dap_firmware:*:*:*:*:*:*:*:* |
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CVE-2026-6066 (GCVE-0-2026-6066)
Vulnerability from cvelistv5 – Published: 2026-04-20 15:26 – Updated: 2026-04-20 16:13
VLAI
EPSS
VEX
Title
Unencrypted Client‑Server Communication in ConnectWise Automate™ Solution Center
Summary
ConnectWise has released a security update for ConnectWise Automate™ that addresses a behavior in the ConnectWise Automate Solution Center where certain client-to-server communications could occur without transport-layer encryption. This could allow network‑based interception of Solution Center traffic in Automate deployments. The issue has been resolved in Automate 2026.4 by enforcing secure communication for affected Solution Center connections.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-20 16:12 UTC
CWE
- CWE-319 - Cleartext transmission of sensitive information
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ConnectWise | Automate |
Affected:
All versions prior to 2026.4
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CVE-2026-5119 (GCVE-0-2026-5119)
Vulnerability from cvelistv5 – Published: 2026-03-30 05:35 – Updated: 2026-06-09 08:57
VLAI
EPSS
VEX
Title
Libsoup: libsoup: information disclosure via cleartext transmission of cookies during https tunnel establishment
Summary
A flaw was found in libsoup. When establishing HTTPS tunnels through a configured HTTP proxy, sensitive session cookies are transmitted in cleartext within the initial HTTP CONNECT request. A network-positioned attacker or a malicious HTTP proxy can intercept these cookies, leading to potential session hijacking or user impersonation.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-30 16:00 UTC
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
17 references
Impacted products
18 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:3.6.5-3.el10_1.11 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.1 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:3.6.5-3.el10_2.11 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:3.6.5-3.el10_0.15 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
0:2.62.2-12.el7_9 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:2.62.3-14.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream cpe:/o:redhat:enterprise_linux:8::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support |
Unaffected:
0:2.62.3-2.el8_4.9 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.4::appstream cpe:/a:redhat:rhel_eus_long_life:8.4::appstream cpe:/o:redhat:rhel_aus:8.4::baseos cpe:/o:redhat:rhel_eus_long_life:8.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On |
Unaffected:
0:2.62.3-2.el8_4.9 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.4::appstream cpe:/a:redhat:rhel_eus_long_life:8.4::appstream cpe:/o:redhat:rhel_aus:8.4::baseos cpe:/o:redhat:rhel_eus_long_life:8.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support |
Unaffected:
0:2.62.3-2.el8_6.9 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6::appstream cpe:/a:redhat:rhel_eus_long_life:8.6::appstream cpe:/o:redhat:rhel_aus:8.6::baseos cpe:/o:redhat:rhel_eus_long_life:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On |
Unaffected:
0:2.62.3-2.el8_6.9 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6::appstream cpe:/a:redhat:rhel_eus_long_life:8.6::appstream cpe:/o:redhat:rhel_aus:8.6::baseos cpe:/o:redhat:rhel_eus_long_life:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service |
Unaffected:
0:2.62.3-3.el8_8.9 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8::appstream cpe:/a:redhat:rhel_tus:8.8::appstream cpe:/o:redhat:rhel_e4s:8.8::baseos cpe:/o:redhat:rhel_tus:8.8::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions |
Unaffected:
0:2.62.3-3.el8_8.9 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8::appstream cpe:/a:redhat:rhel_tus:8.8::appstream cpe:/o:redhat:rhel_e4s:8.8::baseos cpe:/o:redhat:rhel_tus:8.8::baseos |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:2.72.0-12.el9_7.6 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:2.72.0-16.el9_8.1 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions |
Unaffected:
0:2.72.0-8.el9_0.10 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.0::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions |
Unaffected:
0:2.72.0-8.el9_2.11 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.2::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions |
Unaffected:
0:2.72.0-8.el9_4.10 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:2.72.0-10.el9_6.7 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6::appstream |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
Date Public
2026-03-30 05:30
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CVE-2026-5115 (GCVE-0-2026-5115)
Vulnerability from cvelistv5 – Published: 2026-03-31 00:54 – Updated: 2026-03-31 13:59
VLAI
EPSS
VEX
Title
Session hijacking in PaperCut NG/MF embedded application for Konica Minolta devices
Summary
The PaperCut NG/MF (specifically, the embedded application for Konica Minolta devices) is vulnerable to session hijacking. The PaperCut NG/MF Embedded application is a software interface that runs directly on the touch screen of a multi-function device.
It was internally discovered that the communication channel between the embedded application and the server was insecure, which could leak data including sensitive information that may be used to mount an attack on the device. Such an attack could potentially be used to steal data or to perform a phishing attack on the end user.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-31 13:59 UTC
CWE
- CWE-319 - Cleartext transmission of sensitive information
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PaperCut | Papercut NG/MF |
Affected:
0 , < 25.0.5
(semver)
Affected: 0 , < 25.0.9 (KM certified) (custom) |
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CVE-2026-4584 (GCVE-0-2026-4584)
Vulnerability from cvelistv5 – Published: 2026-03-23 11:14 – Updated: 2026-03-23 13:52
VLAI
EPSS
VEX
Title
Shenzhen HCC Technology MPOS M6 PLUS Cardholder Data cleartext transmission
Summary
A flaw has been found in Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N. This affects an unknown part of the component Cardholder Data Handler. Executing a manipulation can lead to cleartext transmission of sensitive information. The attack requires access to the local network. The attack requires a high level of complexity. It is indicated that the exploitability is difficult. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-23 13:52 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.352421 | vdb-entry |
| https://vuldb.com/?ctiid.352421 | signaturepermissions-required |
| https://vuldb.com/?submit.775435 | third-party-advisory |
| https://github.com/Davim09/m6plusexploit/blob/mai… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Shenzhen HCC Technology | MPOS M6 PLUS |
Affected:
1V.31-N
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CVE-2026-3182 (GCVE-0-2026-3182)
Vulnerability from cvelistv5 – Published: 2026-07-21 05:30 – Updated: 2026-07-21 15:03
VLAI
EPSS
VEX
Title
Sensitive Data Exposure
Summary
Zohocorp ManageEngine Endpoint Central versions before 11.4.2528.34 are affected by cleartext transmission of sensitive information vulnerability.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-21 15:03 UTC
CWE
- CWE-319 - Cleartext transmission of sensitive information
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zohocorp | ManageEngine Endpoint Central |
Affected:
0 , < 11.4.2528.34
(0)
cpe:2.3:a:zohocorp:manageengine_endpoint_central:*:*:*:*:*:*:*:* |
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CVE-2026-2671 (GCVE-0-2026-2671)
Vulnerability from cvelistv5 – Published: 2026-03-07 18:02 – Updated: 2026-08-16 05:38
VLAI
EPSS
VEX
Title
Mendi Neurofeedback Headset Bluetooth Low Energy cleartext transmission
Summary
A vulnerability was detected in Mendi Neurofeedback Headset V4. Affected by this vulnerability is an unknown functionality of the component Bluetooth Low Energy Handler. Performing a manipulation results in cleartext transmission of sensitive information. The attack can only be performed from the local network. The attack's complexity is rated as high. The exploitation appears to be difficult. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-11 16:13 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/349702 | vdb-entry |
| https://vuldb.com/vuln/349702/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-2671 | third-party-advisory |
| https://vuldb.com/submit/766457 | third-party-advisory |
| https://doi.org/10.22541/au.177196231.16660369/v1 | broken-link |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mendi | Neurofeedback Headset |
Affected:
V4
cpe:2.3:a:mendi:neurofeedback_headset:*:*:*:*:*:*:*:* |
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CVE-2026-2539 (GCVE-0-2026-2539)
Vulnerability from cvelistv5 – Published: 2026-02-15 10:58 – Updated: 2026-02-17 17:07
VLAI
EPSS
VEX
Title
Micca KE700 Cleartext transmission of key fob ID
Summary
The RF communication protocol in the Micca KE700 car alarm system does not encrypt its data frames. An attacker with a radio interception tool (e.g., SDR) can capture the random number and counters transmitted in cleartext, which is sensitive information required for authentication.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-17 16:42 UTC
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://asrg.io/security-advisories/cve-2026-2539… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Micca Auto Electronics Co., Ltd. | Car Alarm System KE700 |
Affected:
KE700
Unknown: KE700+ |
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CVE-2026-1777 (GCVE-0-2026-1777)
Vulnerability from cvelistv5 – Published: 2026-02-02 20:10 – Updated: 2026-02-04 16:28
VLAI
EPSS
VEX
Title
Cleartext transmission of sensitive materials in aws/sagemaker-python-sdk
Summary
The Amazon SageMaker Python SDK before v3.2.0 and v2.256.0 includes the ModelBuilder HMAC signing key in the cleartext response elements of the DescribeTrainingJob function. A third party with permissions to both call this API and permissions to modify objects in the Training Jobs S3 output location may have the ability to upload arbitrary artifacts which are executed the next time the Training Job is invoked.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-03 15:00 UTC
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://aws.amazon.com/security/security-bulletin… | vendor-advisory |
| https://github.com/aws/sagemaker-python-sdk/secur… | third-party-advisory |
| https://github.com/aws/sagemaker-python-sdk/relea… | patch |
| https://github.com/aws/sagemaker-python-sdk/relea… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AWS | SageMaker Python SDK |
Unaffected:
3.2.0
Unaffected: 2.256.0 |
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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.