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.
1269 vulnerabilities reference this CWE, most recent first.
CVE-2026-107285 (GCVE-0-2026-107285)
Vulnerability from cvelistv5 – Published: 2026-10-07 21:28 – Updated: 2026-10-07 21:28
VLAI
EPSS
VEX
Title
AsyncHttpClient: WebSocket proxy credentials sent to the origin server over a CONNECT tunnel
Summary
The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Prior to 3.0.12 and 2.16.1, a proxied ws request is carried through CONNECT, but NettyRequestFactory.newNettyRequest and requestUri decide whether to attach proxy authentication and an absolute-form target only from whether the URI is secure. Because ws is not marked secure, the tunneled WebSocket upgrade sent to the origin includes the proxy's Proxy-Authorization value. Basic credentials are directly recoverable and Digest responses can be replayed or cracked offline. This issue is fixed in versions 3.0.12 and 2.16.1.
Severity
5.9 (Medium)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_CONFIRM |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AsyncHttpClient | async-http-client |
Affected:
>= 3.0.0, <3.0.12
Affected: >= 2.0.0, < 2.16.1 |
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{
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}
],
"metrics": [
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"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
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{
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"description": "CWE-522: Insufficiently Protected Credentials",
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}
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}
],
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"discovery": "UNKNOWN"
},
"title": "AsyncHttpClient: WebSocket proxy credentials sent to the origin server over a CONNECT tunnel"
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CVE-2026-107282 (GCVE-0-2026-107282)
Vulnerability from cvelistv5 – Published: 2026-10-07 21:21 – Updated: 2026-10-07 21:21
VLAI
EPSS
VEX
Title
AsyncHttpClient: Replay to a different host sends the original host request and credentials to the new host
Summary
The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Prior to 3.0.13 and 2.16.1, cross-host request replay updates the current request but leaves the target request and related proxy context pointing at the original origin. Connection-pool selection, CONNECT handling, realm selection, and TLS setup can consequently send the original host's path, Host header, Authorization credentials, or plaintext request to the replay destination. Documented ResponseFilter failover and retry paths can trigger the replay. This issue is fixed in versions 3.0.13 and 2.16.1.
Severity
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_CONFIRM |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AsyncHttpClient | async-http-client |
Affected:
>= 3.0.0, < 3.0.13
Affected: >= 2.0.0, < 2.16.1 |
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}
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}
],
"metrics": [
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"attackRequirements": "PRESENT",
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"baseScore": 9.4,
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}
]
},
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"discovery": "UNKNOWN"
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CVE-2026-107232 (GCVE-0-2026-107232)
Vulnerability from cvelistv5 – Published: 2026-10-07 21:09 – Updated: 2026-10-07 21:09
VLAI
EPSS
VEX
Title
AsyncHttpClient: Origin credentials sent in cleartext to a proxy that rejects the CONNECT
Summary
The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Prior to 3.0.12 on 3.x and 2.16.1 on 2.x, the client infers that an HTTP proxy tunnel exists from the last request method rather than the CONNECT result. After a proxy rejects CONNECT, redirect or authentication handlers can write an origin request and its Authorization credentials onto the still-plaintext proxy connection. Basic credentials can be recovered directly, while NTLM responses may be cracked or relayed. This issue is fixed in versions 3.0.12 and 2.16.1.
Severity
7.5 (High)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_CONFIRM |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AsyncHttpClient | async-http-client |
Affected:
>= 3.0.0, < 3.0.12
Affected: >= 2.0.0, < 2.16.1 |
{
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"cna": {
"affected": [
{
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"versions": [
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}
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}
],
"metrics": [
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
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},
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"x_refsource_MISC"
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"discovery": "UNKNOWN"
},
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CVE-2026-107231 (GCVE-0-2026-107231)
Vulnerability from cvelistv5 – Published: 2026-10-07 21:06 – Updated: 2026-10-07 21:06
VLAI
EPSS
VEX
Title
AsyncHttpClient: Digest challenge without a usable nonce downgrades to Basic and sends the password in cleartext
Summary
The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Prior to 3.0.13 and 2.16.1, Realm.Builder treats a Digest challenge that yields no usable nonce as a Basic challenge. A malicious origin or proxy can label a challenge Digest while omitting or emptying the nonce, causing the client to resend the username and password using reversible Basic authentication. Both origin and proxy challenge parsers are affected. This issue is fixed in versions 3.0.13 and 2.16.1.
Severity
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_CONFIRM |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
| https://github.com/AsyncHttpClient/async-http-cli… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AsyncHttpClient | async-http-client |
Affected:
>= 3.0.0.Beta1, < 3.0.13
Affected: >= 2.0.0, < 2.16.1 |
{
"containers": {
"cna": {
"affected": [
{
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"versions": [
{
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}
],
"metrics": [
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"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "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",
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},
{
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{
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"description": "CWE-522: Insufficiently Protected Credentials",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-757",
"description": "CWE-757: Selection of Less-Secure Algorithm During Negotiation (\u0027Algorithm Downgrade\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
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CVE-2026-107121 (GCVE-0-2026-107121)
Vulnerability from cvelistv5 – Published: 2026-10-07 07:42 – Updated: 2026-10-07 17:05
VLAI
EPSS
VEX
Title
Keycloak-services: keycloak-services: smtp starttls plaintext credential and message downgrade
Summary
A flaw was found in the SMTP email configuration handling of the keycloak-services component. When the STARTTLS option is enabled, Keycloak fails to strictly enforce an encrypted connection, allowing it to fall back to unencrypted communication if the encryption request is tampered with. An attacker who can intercept network traffic can exploit this to capture sensitive email credentials and message content in plain text.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 15:56 UTC
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-107121 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2547296 | issue-trackingx_refsource_REDHAT |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Build of Keycloak |
cpe:/a:redhat:build_keycloak:
|
|
| Red Hat | Red Hat Single Sign-On 7 |
cpe:/a:redhat:red_hat_single_sign_on:7
|
Date Public
2026-10-06 16:28
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CVE-2026-105766 (GCVE-0-2026-105766)
Vulnerability from cvelistv5 – Published: 2026-10-05 19:45 – Updated: 2026-10-06 13:44 Exclusively Hosted Service
VLAI
EPSS
VEX
Title
Chainguard Academy (edu) Nginx directory redirect downgrades HTTPS requests to HTTP
Summary
Use of the backend-facing $scheme variable in the trailing-slash directory redirect in nginx.conf of Chainguard Academy (edu) from commit 0b75ff98057f69b044a3e7194e428066ac5ad0d4 before commit 93dc0e50739c225f5aee2e803800a47fc0feb906 allows an on-path network attacker to read or modify documentation content served to a victim via an HTTPS request for a slashless directory path, because TLS terminates at the load balancer in front of Nginx and the resulting 301 response redirects the client to a plaintext http:// URL. Browsers that ship the HSTS preload list are not affected, because the .dev top-level domain is preloaded; clients that do not enforce HSTS, such as command-line HTTP clients and scripts that follow redirects, are affected.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 13:43 UTC
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Chainguard | Chainguard Academy (edu) |
Affected:
0b75ff98057f69b044a3e7194e428066ac5ad0d4 , < 93dc0e50739c225f5aee2e803800a47fc0feb906
(git)
|
Date Public
2026-09-11 16:16
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CVE-2026-105245 (GCVE-0-2026-105245)
Vulnerability from cvelistv5 – Published: 2026-10-05 06:30 – Updated: 2026-10-07 20:42
VLAI
EPSS
VEX
Title
sgl-project sglang HTTP Endpoint http_server.py server_info cleartext transmission
Summary
A vulnerability has been found in sgl-project sglang up to 0.5.21. This issue affects the function server_info of the file python/sglang/srt/entrypoints/http_server.py of the component HTTP Endpoint. Such manipulation of the argument api_key leads to cleartext transmission of sensitive information. It is possible to launch the attack remotely. Attacks of this nature are highly complex. The exploitability is assessed as difficult. The exploit has been disclosed to the public and may be used. The pull request to fix this issue awaits acceptance.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 20:42 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/413451 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/413451/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-105245 | third-party-advisory |
| https://vuldb.com/submit/975910 | third-party-advisory |
| https://github.com/sgl-project/sglang/issues/30166 | exploitissue-tracking |
| https://github.com/sgl-project/sglang/pull/30343 | issue-trackingpatch |
| https://github.com/sgl-project/sglang/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| sgl-project | sglang |
Affected:
0.5.0
Affected: 0.5.1 Affected: 0.5.2 Affected: 0.5.3 Affected: 0.5.4 Affected: 0.5.5 Affected: 0.5.6 Affected: 0.5.7 Affected: 0.5.8 Affected: 0.5.9 Affected: 0.5.10 Affected: 0.5.11 Affected: 0.5.12 Affected: 0.5.13 Affected: 0.5.14 Affected: 0.5.15 Affected: 0.5.16 Affected: 0.5.17 Affected: 0.5.18 Affected: 0.5.19 Affected: 0.5.20 Affected: 0.5.21 cpe:2.3:a:sgl-project:sglang:*:*:*:*:*:*:*:* |
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CVE-2026-103098 (GCVE-0-2026-103098)
Vulnerability from cvelistv5 – Published: 2026-10-02 00:15 – Updated: 2026-10-02 18:19
VLAI
EPSS
VEX
Title
GV-Eye Sensitive information exposure in URL query parameter Vulnerability
Summary
Transmission of a sensitive key in the URL
over an unencrypted HTTP connection. The
request is sent over HTTP rather than HTTPS, meaning the key is transmitted in
plaintext across the network. An attacker with the ability to monitor network
traffic could intercept the request and obtain the key
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 18:19 UTC
CWE
- CWE-319 - Cleartext transmission of sensitive information
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.geovision.com.tw/cyber_security.php | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| GeoVision Inc. | GV-Eye |
Affected:
V3.6.0
Unaffected: V3.7.2 cpe:2.3:a:geovision_inc.:gv-eye:v3.6.0:*:android:*:*:*:*:* |
Date Public
2026-09-30 02:15
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CVE-2026-102670 (GCVE-0-2026-102670)
Vulnerability from cvelistv5 – Published: 2026-10-01 19:43 – Updated: 2026-10-01 19:43
VLAI
EPSS
VEX
Title
Joyland AI enables HTTP
Summary
Joyland AI app explicitly permits cleartext HTTP traffic on Android 9+ where the default is to block it.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · cisa-cg (v2.0.3)
Decision recorded 2026-09-23 20:53 UTC
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
References
2 references
| URL | Tags |
|---|---|
| https://raw.githubusercontent.com/cisagov/CSAF/de… | third-party-advisory |
| https://www.cve.org/CVERecord?id=CVE-2026-102670 | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Joyland | Joyland.ai |
Affected:
*
|
Date Public
2026-10-01 00:00
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CVE-2026-101057 (GCVE-0-2026-101057)
Vulnerability from cvelistv5 – Published: 2026-09-27 17:02 – Updated: 2026-09-30 15:38
VLAI
EPSS
VEX
Title
utcp-mcp before 1.1.3 SSRF via unvalidated MCP server URL
Summary
utcp-mcp (the MCP plugin of python-utcp) through 1.1.2 connects to the HTTP and WebSocket MCP server URLs given in a call template's mcpServers configuration without the ensure_secure_url validation that the HTTP-family plugins apply, so the HTTPS/WSS-or-loopback rule is not enforced. A call template naming a plain-HTTP, non-loopback MCP server URL is dialed as configured, exposing the MCP handshake to network interception and permitting cleartext connections to internal hosts. The mcpServers configuration is operator-authored rather than remote data, and the connection is an MCP handshake rather than an arbitrary request returning a body, which limits practical exploitation; the OAuth2 token_url credential path described in the original report was not reachable in the affected versions, because the OAuth2 handler was never invoked and the call template's auth field was not read. Fixed in utcp-mcp 1.1.3, which validates server URLs before any connection is made.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 15:37 UTC
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/universal-tool-calling-protoco… | vendor-advisory |
| https://www.vulncheck.com/advisories/utcp-mcp-bef… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| universal-tool-calling-protocol | python-utcp |
Affected:
0 , < 1.1.3
(semver)
Unaffected: 1.1.3 (semver) |
Date Public
2026-09-05 00:00
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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.