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CWE-290
Authentication Bypass by Spoofing
This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
CVE-2026-53849 (GCVE-0-2026-53849)
Vulnerability from cvelistv5 – Published: 2026-06-16 18:04 – Updated: 2026-06-18 03:55 X_Open Source
VLAI
Title
OpenClaw < 2026.5.7 - Privilege Escalation via Mutable Discord Display Names in allowFrom
Summary
OpenClaw before 2026.5.7 contains a privilege escalation vulnerability where the allowFrom feature improperly validates Discord account identity using mutable display names instead of immutable user IDs. Attackers with Discord accounts can change their display name to match a policy entry and gain unauthorized agent access intended for another Discord identity.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/openclaw-pri… | third-party-advisory |
Impacted products
Date Public
2026-05-28 00:00
Credits
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CVE-2026-53857 (GCVE-0-2026-53857)
Vulnerability from cvelistv5 – Published: 2026-06-16 18:05 – Updated: 2026-06-18 03:55 X_Open Source
VLAI
Title
OpenClaw < 2026.5.3 - Mutable Display Name Binding in Zalo allowFrom Policy
Summary
OpenClaw before 2026.5.3 contains a policy enforcement vulnerability where Zalo contacts with mutable display metadata could match allowFrom policy entries through display name changes. Attackers with mutable display names could receive agent responses intended for different Zalo identities when the feature is enabled.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/openclaw-mut… | third-party-advisory |
Impacted products
Date Public
2026-05-28 00:00
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CVE-2026-54089 (GCVE-0-2026-54089)
Vulnerability from cvelistv5 – Published: 2026-06-25 17:46 – Updated: 2026-06-25 18:33
VLAI
Title
File Browser: Authentication Bypass via Proxy Auth Header Forgery
Summary
File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Starting with 2.0.0-rc.1, when FileBrowser is configured with proxy authentication (auth.method=proxy), any unauthenticated attacker who can reach the server directly can impersonate any user - including admin - by sending a single forged HTTP header. No credentials are required. Additionally, specifying a non-existent username causes the server to automatically create a new user account, providing an account creation primitive with no authorization. This is an already known issue that has been documented in the documentation for several years, but has not been documented as a vulnerability before.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | x_refsource_CONFIRM |
| https://github.com/filebrowser/filebrowser/blob/m… | x_refsource_MISC |
| https://github.com/filebrowser/filebrowser/blob/m… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
>= 2.0.0-rc.1
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CVE-2026-54308 (GCVE-0-2026-54308)
Vulnerability from cvelistv5 – Published: 2026-06-23 15:42 – Updated: 2026-06-24 13:59
VLAI
Title
n8n: Missing Token Validation on Microsoft Agent 365 Trigger Node
Summary
n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, the MicrosoftAgent365Trigger and StripeTrigger node did not validate that inbound requests. As a result, an unauthenticated attacker who knows the webhook URL could submit a forged payload and cause the workflow to execute with attacker-controlled data. This vulnerability is fixed in 2.25.7 and 2.26.2.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/n8n-io/n8n/security/advisories… | x_refsource_CONFIRM |
Impacted products
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CVE-2026-55202 (GCVE-0-2026-55202)
Vulnerability from cvelistv5 – Published: 2026-06-17 19:13 – Updated: 2026-06-23 02:03 X_Open Source
VLAI
Title
Tinyproxy - Stathost Detection Bypass via Host Header Manipulation
Summary
Tinyproxy through 1.11.3, fixed in commit 09312a1, fails to properly validate the Host header during stathost detection, allowing unauthenticated attackers to access the stats page by injecting a matching Host header or bypass detection via port manipulation. Remote attackers can trigger unauthorized access to internal proxy statistics or misroute requests as transparent proxy connections to circumvent access controls.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/tinyproxy/tinyproxy/pull/606 | issue-tracking |
| https://github.com/tinyproxy/tinyproxy/commit/093… | patch |
| https://www.vulncheck.com/advisories/evil-winrm-p… | third-party-advisory |
Impacted products
Date Public
2026-04-17 00:00
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CVE-2026-56020 (GCVE-0-2026-56020)
Vulnerability from cvelistv5 – Published: 2026-06-18 16:12 – Updated: 2026-06-22 12:33
VLAI
Title
Webmin HTTP header authentication bypass
Summary
The Webmin HTTP server (miniserv.pl) allows unauthenticated attackers to impersonate any user with a configured SSL client certificate by sending a forged HTTP header. A remote attacker can spoof certificate DNs and authenticate as any user. Fixed in 2.641.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/webmin/webmin/releases/tag/2.641 | release-notes |
| https://webmin.com/security/#webmin-prior-to-2641 | release-notes |
| https://raw.githubusercontent.com/cisagov/CSAF/de… | |
| https://www.cve.org/CVERecord?id=CVE-2026-56020 | vdb-entry |
Impacted products
Date Public
2026-06-18 00:00
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CVE-2026-56357 (GCVE-0-2026-56357)
Vulnerability from cvelistv5 – Published: 2026-06-22 21:04 – Updated: 2026-06-23 14:25
VLAI
Title
n8n - Webhook Forgery via Missing HMAC-SHA256 Signature Verification in GitHub Webhook Trigger
Summary
n8n before 1.123.15 and 2.5.0 contains a webhook forgery vulnerability in the GitHub Webhook Trigger node that fails to implement HMAC-SHA256 signature verification. Attackers who know the webhook URL can send unsigned POST requests to trigger workflows with arbitrary data, spoofing GitHub webhook events.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/n8n-io/n8n/security/advisories… | vendor-advisory |
| https://www.vulncheck.com/advisories/n8n-webhook-… | third-party-advisory |
Impacted products
Date Public
2026-02-25 00:00
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CVE-2026-5792 (GCVE-0-2026-5792)
Vulnerability from cvelistv5 – Published: 2026-06-12 14:26 – Updated: 2026-06-15 11:22
VLAI
Title
Authentication Bypass in Hedef Media's Related Marketing Cloud (RMC)
Summary
Authentication bypass by spoofing vulnerability in Hedef Media Promotion Interactive Media Marketing Inc. Related Marketing Cloud (RMC) allows Brute Force.
This issue affects Related Marketing Cloud (RMC): through 12052026.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-290 - Authentication bypass by spoofing
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Hedef Media Promotion Interactive Media Marketing Inc. | Related Marketing Cloud (RMC) |
Affected:
0 , ≤ 12052026
(custom)
|
Date Public
2026-06-12 14:20
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CVE-2026-6090 (GCVE-0-2026-6090)
Vulnerability from cvelistv5 – Published: 2026-06-10 14:09 – Updated: 2026-06-10 16:06
VLAI
Summary
A potential authentication bypass was reported in Lenovo Smart Connect for Windows that could allow a local authenticated user to execute arbitrary code with elevated privileges.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Lenovo | Smart Connect |
Affected:
0 , < 09.0.2.003.000
(custom)
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CVE-2026-6213 (GCVE-0-2026-6213)
Vulnerability from cvelistv5 – Published: 2026-05-08 09:04 – Updated: 2026-05-11 07:48
VLAI
Title
Remote Spark SparkView RCE
Summary
A vulnerability in Remote Spark SparkView before build 1122 allows an attacker to bypasses the local connection check and achieve arbitrary code execution as root on the server side. Depending on implementation the vulnerability can be exploited by an unauthenticated attacker.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Remote Spark (https://www.remotespark.com/) | SparkView |
Affected:
0 , < build 1122
(custom)
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No mitigation information available for this CWE.
CAPEC-21: Exploitation of Trusted Identifiers
An adversary guesses, obtains, or "rides" a trusted identifier (e.g. session ID, resource ID, cookie, etc.) to perform authorized actions under the guise of an authenticated user or service.
CAPEC-22: Exploiting Trust in Client
An attack of this type exploits vulnerabilities in client/server communication channel authentication and data integrity. It leverages the implicit trust a server places in the client, or more importantly, that which the server believes is the client. An attacker executes this type of attack by communicating directly with the server where the server believes it is communicating only with a valid client. There are numerous variations of this type of attack.
CAPEC-459: Creating a Rogue Certification Authority Certificate
An adversary exploits a weakness resulting from using a hashing algorithm with weak collision resistance to generate certificate signing requests (CSR) that contain collision blocks in their "to be signed" parts. The adversary submits one CSR to be signed by a trusted certificate authority then uses the signed blob to make a second certificate appear signed by said certificate authority. Due to the hash collision, both certificates, though different, hash to the same value and so the signed blob works just as well in the second certificate. The net effect is that the adversary's second X.509 certificate, which the Certification Authority has never seen, is now signed and validated by that Certification Authority.
CAPEC-461: Web Services API Signature Forgery Leveraging Hash Function Extension Weakness
An adversary utilizes a hash function extension/padding weakness, to modify the parameters passed to the web service requesting authentication by generating their own call in order to generate a legitimate signature hash (as described in the notes), without knowledge of the secret token sometimes provided by the web service.
CAPEC-473: Signature Spoof
An attacker generates a message or datablock that causes the recipient to believe that the message or datablock was generated and cryptographically signed by an authoritative or reputable source, misleading a victim or victim operating system into performing malicious actions.
CAPEC-476: Signature Spoofing by Misrepresentation
An attacker exploits a weakness in the parsing or display code of the recipient software to generate a data blob containing a supposedly valid signature, but the signer's identity is falsely represented, which can lead to the attacker manipulating the recipient software or its victim user to perform compromising actions.
CAPEC-59: Session Credential Falsification through Prediction
This attack targets predictable session ID in order to gain privileges. The attacker can predict the session ID used during a transaction to perform spoofing and session hijacking.
CAPEC-60: Reusing Session IDs (aka Session Replay)
This attack targets the reuse of valid session ID to spoof the target system in order to gain privileges. The attacker tries to reuse a stolen session ID used previously during a transaction to perform spoofing and session hijacking. Another name for this type of attack is Session Replay.
CAPEC-667: Bluetooth Impersonation AttackS (BIAS)
An adversary disguises the MAC address of their Bluetooth enabled device to one for which there exists an active and trusted connection and authenticates successfully. The adversary can then perform malicious actions on the target Bluetooth device depending on the target’s capabilities.
CAPEC-94: Adversary in the Middle (AiTM)
An adversary targets the communication between two components (typically client and server), in order to alter or obtain data from transactions. A general approach entails the adversary placing themself within the communication channel between the two components.