Common Weakness Enumeration
CWE-601
AllowedURL Redirection to Untrusted Site ('Open Redirect')
Abstraction: Base · Status: Draft
The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.
2350 vulnerabilities reference this CWE, most recent first.
CVE-2026-67178 (GCVE-0-2026-67178)
Vulnerability from cvelistv5 – Published: 2026-07-28 14:30 – Updated: 2026-07-28 14:44
VLAI
EPSS
VEX
Title
Open Redirect in MISP Installer-Generated Apache Configuration
Summary
MISP installation scripts generated an Apache HTTP virtual-host configuration containing an incorrectly formatted HTTP-to-HTTPS redirect:
Redirect permanent / https://misp.example
Apache’s Redirect directive appends any portion of the requested path that follows the matched prefix to the configured destination URL. Because the destination did not end with /, attacker-controlled path content was appended directly to the hostname rather than to its URL path.
For example, a request resembling:
http://misp.example/@attacker.example/
could result in a redirect resembling:
https://misp.example@attacker.example/
Under standard URL parsing, misp.example is interpreted as user information and attacker.example as the destination host. An unauthenticated remote attacker could therefore construct a URL hosted under the legitimate MISP domain that redirects users to an attacker-controlled website.
The vulnerability could be used for phishing, credential collection, or potentially disclosing sensitive query-string information preserved during the redirect. Exploitation requires a user to follow the crafted HTTP URL.
The fix adds the missing trailing slash to the redirect destination, ensuring that appended request data remains part of the path on the configured MISP host.
Existing installationsExisting MISP installations should review their Apache HTTP virtual-host configuration and ensure that the HTTPS redirect destination ends with a trailing slash:
Redirect permanent / https://misp.example/
After updating the configuration, validate it with apachectl configtest and reload or restart Apache for the change to take effect
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/MISP/MISP/commit/15becd3b21245… | patch |
Credits
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CVE-2026-64645 (GCVE-0-2026-64645)
Vulnerability from cvelistv5 – Published: 2026-07-27 17:37 – Updated: 2026-07-28 14:02
VLAI
EPSS
VEX
Title
Next.js: Server-Side Request Forgery in rewrites via attacker-controlled destination hostname
Summary
Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10, a
rewrites() or redirects() rule that builds its external destination hostname from request-controlled input can be pointed at an arbitrary hostname, regardless of the rule's hostname suffix. For a rewrite, Next.js proxies the request to that arbitrary host and serves the response from the application's origin, leading to Server-Side Request forgery. A redirects() rule configured this way is vulnerable to an Open Redirect. This issue has been fixed in versions 15.5.21 and 16.2.11.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/vercel/next.js/security/adviso… | x_refsource_CONFIRM |
| https://github.com/vercel/next.js/commit/35f50135… | x_refsource_MISC |
| https://github.com/vercel/next.js/commit/d3033266… | x_refsource_MISC |
| https://github.com/vercel/next.js/releases/tag/v15.5.21 | x_refsource_MISC |
| https://github.com/vercel/next.js/releases/tag/v16.2.11 | x_refsource_MISC |
Impacted products
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CVE-2026-63768 (GCVE-0-2026-63768)
Vulnerability from cvelistv5 – Published: 2026-07-20 19:08 – Updated: 2026-07-21 11:08 X_Open Source
VLAI
EPSS
VEX
Title
cal.diy 6.2.0 Conferencing OAuth Callback Open Redirect via Unsigned State
Summary
cal.diy through 6.2.0 contains an open redirect vulnerability in the conferencing OAuth callback endpoint that allows attackers to redirect users to arbitrary URLs by crafting malicious state parameters. Attackers can exploit the unsigned state parameter and onErrorReturnTo field to silently redirect visitors from the trusted domain to attacker-controlled URLs for phishing attacks.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/calcom/cal.diy/issues/29679 | technical-descriptionexploitissue-tracking |
| https://github.com/calcom/cal.diy/pull/29681 | issue-trackingpatch |
| https://www.vulncheck.com/advisories/cal-diy-conf… | third-party-advisory |
Date Public
2026-06-30 00:00
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CVE-2026-63094 (GCVE-0-2026-63094)
Vulnerability from cvelistv5 – Published: 2026-07-17 14:22 – Updated: 2026-07-27 17:17 X_Open Source
VLAI
EPSS
VEX
Title
SigNoz < 0.134.0 SSO OAuth State Manipulation Session Token Theft
Summary
SigNoz before 0.134.0 contains an open redirect vulnerability in the SSO authentication flow that allows unauthenticated attackers to steal session tokens from any user on instances configured with Google OAuth, SAML, or OIDC. Attackers can call the unauthenticated sessions context endpoint with a ref parameter pointing to an attacker-controlled host, deliver the resulting crafted login URL to a victim, and receive the victim's access and refresh tokens when they complete SSO authentication.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/SigNoz/signoz/issues/11746 | technical-descriptionexploit |
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2026-06-16 00:00
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CVE-2026-61901 (GCVE-0-2026-61901)
Vulnerability from cvelistv5 – Published: 2026-07-20 18:33 – Updated: 2026-07-23 14:56
VLAI
EPSS
VEX
Title
Joomla Extension - hikashop.com - Open redirect in Hikashop < 6.5.2
Summary
Joomla Extension - hikashop.com - Open redirect in Hikashop < 6.5.2 - The Joomla extension Hikashop is vulnerable to an open redirect.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.hikashop.com/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| hikashop.com | Hikashop extension for Joomla |
Affected:
1.0.0-6.5.1
|
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CVE-2026-61451 (GCVE-0-2026-61451)
Vulnerability from cvelistv5 – Published: 2026-07-15 11:25 – Updated: 2026-07-28 13:02
VLAI
EPSS
VEX
Title
Grav before 1.0.4 Password Reset Token Poisoning via admin_base_url
Summary
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Severity
9.6 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | vendor-advisory |
| https://www.vulncheck.com/advisories/grav-before-… | third-party-advisory |
Impacted products
Date Public
2026-06-25 00:00
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CVE-2026-59806 (GCVE-0-2026-59806)
Vulnerability from cvelistv5 – Published: 2026-07-08 19:43 – Updated: 2026-07-09 18:18 X_Open Source
VLAI
EPSS
VEX
Title
Gradio < 6.20.0 - Open Redirect and SSRF via /gradio_api/file= endpoint
Summary
Gradio before 6.20.0 contains an open redirect and server-side request forgery vulnerability that allows attackers to redirect users to arbitrary URLs or perform client-side SSRF by supplying unvalidated HTTP/HTTPS URLs to the file_fetch() function in the /gradio_api/file= endpoint. Attackers can craft a malicious FileData response targeting internal endpoints such as cloud metadata services to retrieve sensitive credentials including EC2 IAM role credentials.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/gradio-app/gradio/issues/13593 | technical-descriptionexploit |
| https://github.com/gradio-app/gradio/releases/tag… | release-notes |
| https://github.com/gradio-app/gradio/pull/13596 | issue-tracking |
| https://github.com/gradio-app/gradio/commit/1c5c5… | patch |
| https://www.vulncheck.com/advisories/gradio-open-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| gradio-app | gradio |
Affected:
0 , < 6.20.0
(semver)
|
Date Public
2026-07-05 00:00
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CVE-2026-59730 (GCVE-0-2026-59730)
Vulnerability from cvelistv5 – Published: 2026-07-27 20:00 – Updated: 2026-07-28 13:49
VLAI
EPSS
VEX
Title
@astrojs/node: Backslash-prefixed paths not recognized as internal by trailing-slash redirect
Summary
Astro is a web framework for content-driven websites. In versions 8.1.0 through 11.0.1, when trailingSlash: 'always' is configured, the @astrojs/node standalone server's static file handler appends a trailing slash to request paths and issues a 301 redirect. Paths beginning with /\ (slash-backslash) were not recognized as internal paths, so the handler would echo the raw path back in the Location header. Because browsers treat \ as / per the WHATWG URL specification, the resulting redirect could resolve to an external host. Preconditions for exploitation: trailingSlash: 'always' must be set (non-default; the default is 'ignore'), the request path must not have a file extension in its final segment, and an attacker must deliver the crafted link to a user. This issue has been fixed in version 11.0.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/withastro/astro/security/advis… | x_refsource_CONFIRM |
| https://github.com/withastro/astro/pull/17252 | x_refsource_MISC |
| https://github.com/withastro/astro/commit/eb6f97e… | x_refsource_MISC |
| https://github.com/withastro/astro/releases/tag/@… | x_refsource_MISC |
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CVE-2026-59180 (GCVE-0-2026-59180)
Vulnerability from cvelistv5 – Published: 2026-07-10 16:02 – Updated: 2026-07-10 16:54
VLAI
EPSS
VEX
Title
Apprise forwards configured auth headers across cross-origin HTTP redirects
Summary
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Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/caronc/apprise/security/adviso… | x_refsource_CONFIRM |
| https://github.com/caronc/apprise/pull/1610 | x_refsource_MISC |
| https://github.com/caronc/apprise/commit/68c0aef2… | x_refsource_MISC |
| https://github.com/caronc/apprise/releases/tag/v1.11.0 | x_refsource_MISC |
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CVE-2026-58520 (GCVE-0-2026-58520)
Vulnerability from cvelistv5 – Published: 2026-07-01 17:14 – Updated: 2026-07-01 17:56
VLAI
EPSS
VEX
Title
UrlShortener defaults to ineffective validation open to third-party redirects
Summary
URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - UrlShortener Extension allows Cross-Site Flashing.
This issue affects Mediawiki - UrlShortener Extension: from * before 1.43.9, 1.44.6, 1.45.4.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-601 - URL redirection to untrusted site ('open redirect')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Wikimedia Foundation | Mediawiki - UrlShortener Extension |
Affected:
* , < 1.43.9, 1.44.6, 1.45.4
(semver)
|
Credits
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Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
- Use a list of approved URLs or domains to be used for redirection.
Mitigation
Architecture and Design
Use an intermediate disclaimer page that provides the user with a clear warning that they are leaving the current site. Implement a long timeout before the redirect occurs, or force the user to click on the link. Be careful to avoid XSS problems (CWE-79) when generating the disclaimer page.
Mitigation MIT-21.2
Architecture and Design
Strategy: Enforcement by Conversion
- When the set of acceptable objects, such as filenames or URLs, is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames or URLs, and reject all other inputs.
- For example, ID 1 could map to "/login.asp" and ID 2 could map to "http://www.example.com/". Features such as the ESAPI AccessReferenceMap [REF-45] provide this capability.
Mitigation
Architecture and Design
Ensure that no externally-supplied requests are honored by requiring that all redirect requests include a unique nonce generated by the application [REF-483]. Be sure that the nonce is not predictable (CWE-330).
Mitigation MIT-6
Architecture and Design
Implementation
Strategy: Attack Surface Reduction
- Understand all the potential areas where untrusted inputs can enter your software: parameters or arguments, cookies, anything read from the network, environment variables, reverse DNS lookups, query results, request headers, URL components, e-mail, files, filenames, databases, and any external systems that provide data to the application. Remember that such inputs may be obtained indirectly through API calls.
- Many open redirect problems occur because the programmer assumed that certain inputs could not be modified, such as cookies and hidden form fields.
Mitigation MIT-29
Operation
Strategy: Firewall
Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].
CAPEC-178: Cross-Site Flashing
An attacker is able to trick the victim into executing a Flash document that passes commands or calls to a Flash player browser plugin, allowing the attacker to exploit native Flash functionality in the client browser. This attack pattern occurs where an attacker can provide a crafted link to a Flash document (SWF file) which, when followed, will cause additional malicious instructions to be executed. The attacker does not need to serve or control the Flash document. The attack takes advantage of the fact that Flash files can reference external URLs. If variables that serve as URLs that the Flash application references can be controlled through parameters, then by creating a link that includes values for those parameters, an attacker can cause arbitrary content to be referenced and possibly executed by the targeted Flash application.