Vulnerability database
Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.
14 results
Sep 11, 2025Flask-AppBuilder is an application development framework.CVE-2025-58065 · Other software · dpgaspar · reported by GitHubMedium 6.5
Flask-AppBuilder is an application development framework. Prior to version 4.8.1, when Flask-AppBuilder is configured to use OAuth, LDAP, or other non-database authentication methods, the password reset endpoint remains registered and accessible, despite not being displayed in the user interface. This allows an enabled user to reset their password and be able to create JWT tokens even after the user is disabled on the authentication provider. Users should upgrade to Flask-AppBuilder version 4.8.1 or later to receive a fix. If immediate upgrade is not possible, manually disable password reset routes in the application configuration; implement additional access controls at the web server or proxy level to block access to the reset my password URL; and/or monitor for suspicious password reset attempts from disabled accounts.
- Product
- Flask-AppBuilder
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
May 16, 2025Flask-AppBuilder is an application development framework built on top of Flask.CVE-2025-32962 · Other software · dpgaspar · reported by GitHubMedium 4.3
Flask-AppBuilder is an application development framework built on top of Flask. Versions prior to 4.6.2 would allow for a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests. Flask-AppBuilder 4.6.2 introduced the `FAB_SAFE_REDIRECT_HOSTS` configuration variable, which allows administrators to explicitly define which domains are considered safe for redirection. As a workaround, use a reverse proxy to enforce trusted host headers.
- Product
- Flask-AppBuilder
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Mar 3, 2025Flask-AppBuilder is an application development framework.CVE-2025-24023 · Other software · dpgaspar · reported by GitHubLow 3.7
Flask-AppBuilder is an application development framework. Prior to 4.5.3, Flask-AppBuilder allows unauthenticated users to enumerate existing usernames by timing the response time from the server when brute forcing requests to login. This vulnerability is fixed in 4.5.3.
- Product
- Flask-AppBuilder
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Sep 4, 2024Flask-AppBuilder is an application development framework.CVE-2024-45314 · Other software · dpgaspar · reported by GitHubLow 3.6
Flask-AppBuilder is an application development framework. Prior to version 4.5.1, the auth DB login form default cache directives allows browser to locally store sensitive data. This can be an issue on environments using shared computer resources. Version 4.5.1 contains a patch for this issue. If upgrading is not possible, configure one's web server to send the specific HTTP headers for `/login` per the directions provided in the GitHub Security Advisory.
- Product
- Flask-AppBuilder
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Feb 28, 2024Flask-AppBuilder is an application development framework, built on top of Flask.CVE-2024-27083 · Other software · dpgaspar · reported by GitHubMedium 4.3
Flask-AppBuilder is an application development framework, built on top of Flask. A Cross-Site Scripting (XSS) vulnerability has been discovered on the OAuth login page. An attacker could trick a user to follow a specially crafted URL to the OAuth login page. This URL could inject and execute malicious javascript code that would get executed on the user's browser. This issue was introduced on 4.1.4 and patched on 4.2.1.
- Product
- Flask-AppBuilder
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Feb 28, 2024Flask-AppBuilder is an application development framework, built on top of Flask.CVE-2024-25128 · Other software · dpgaspar · reported by GitHubCritical 9.1
Flask-AppBuilder is an application development framework, built on top of Flask. When Flask-AppBuilder is set to AUTH_TYPE AUTH_OID, it allows an attacker to forge an HTTP request, that could deceive the backend into using any requested OpenID service. This vulnerability could grant an attacker unauthorised privilege access if a custom OpenID service is deployed by the attacker and accessible by the backend. This vulnerability is only exploitable when the application is using the OpenID 2.0 authorization protocol. Upgrade to Flask-AppBuilder 4.3.11 to fix the vulnerability.
- Product
- Flask-AppBuilder
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 22, 2023Flask-AppBuilder is an application development framework, built on top of Flask.CVE-2023-34110 · Other software · dpgaspar · reported by GitHubLow 2.7
Flask-AppBuilder is an application development framework, built on top of Flask. Prior to version 4.3.2, an authenticated malicious actor with Admin privileges, could by adding a special character on the add, edit User forms trigger a database error, this error is surfaced back to this actor on the UI. On certain database engines this error can include the entire user row including the pbkdf2:sha256 hashed password. This vulnerability has been fixed in version 4.3.2.
- Product
- Flask-AppBuilder
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Apr 10, 2023Flask-AppBuilder versions before 4.3.0 lack rate limiting which can allow an attacker to brute-force user credentials.CVE-2023-29005 · Other software · dpgaspar · reported by GitHubHigh 7.5
Flask-AppBuilder versions before 4.3.0 lack rate limiting which can allow an attacker to brute-force user credentials. Version 4.3.0 includes the ability to enable rate limiting using `AUTH_RATE_LIMITED = True`, `RATELIMIT_ENABLED = True`, and setting an `AUTH_RATE_LIMIT`.
- Product
- Flask-AppBuilder
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordflask-limiter.readthedocs.iogithub.com
Aug 1, 2022Flask-AppBuilder is an application development framework built on top of Flask python framework.CVE-2022-31177 · Other software · dpgaspar · reported by GitHubLow 2.7
Flask-AppBuilder is an application development framework built on top of Flask python framework. In versions prior to 4.1.3 an authenticated Admin user could query other users by their salted and hashed passwords strings. These filters could be made by using partial hashed password strings. The response would not include the hashed passwords, but an attacker could infer partial password hashes and their respective users. This issue has been fixed in version 4.1.3. Users are advised to upgrade. There are no known workarounds for this issue.
- Product
- Flask-AppBuilder
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Mar 24, 2022Flask-AppBuilder is an application development framework, built on top of the Flask web framework.CVE-2022-24776 · Other software · dpgaspar · reported by GitHubMedium 6.1
Flask-AppBuilder is an application development framework, built on top of the Flask web framework. Flask-AppBuilder contains an open redirect vulnerability when using database authentication login page on versions below 3.4.5. This issue is fixed in version 3.4.5. There are currently no known workarounds.
- Product
- Flask-AppBuilder
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jan 31, 2022Flask-AppBuilder is an application development framework, built on top of the Flask web framework.CVE-2022-21659 · Other software · Dpgaspar · reported by GitHubMedium 5.3
Flask-AppBuilder is an application development framework, built on top of the Flask web framework. In affected versions there exists a user enumeration vulnerability. This vulnerability allows for a non authenticated user to enumerate existing accounts by timing the response time from the server when you are logging in. Users are advised to upgrade to version 3.4.4 as soon as possible. There are no known workarounds for this issue.
- Product
- Flask-appbuilder
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Dec 9, 2021Flask-AppBuilder is a development framework built on top of Flask.CVE-2021-41265 · Other software · dpgaspar · reported by GitHubHigh 8.1
Flask-AppBuilder is a development framework built on top of Flask. Verions prior to 3.3.4 contain an improper authentication vulnerability in the REST API. The issue allows for a malicious actor with a carefully crafted request to successfully authenticate and gain access to existing protected REST API endpoints. This only affects non database authentication types and new REST API endpoints. Users should upgrade to Flask-AppBuilder 3.3.4 to receive a patch.
- Product
- Flask-AppBuilder
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Sep 8, 2021Flask-AppBuilder is an application development framework, built on top of Flask.CVE-2021-32805 · Other software · dpgaspar · reported by GitHubHigh 7.2
Flask-AppBuilder is an application development framework, built on top of Flask. In affected versions if using Flask-AppBuilder OAuth, an attacker can share a carefully crafted URL with a trusted domain for an application built with Flask-AppBuilder, this URL can redirect a user to a malicious site. This is an open redirect vulnerability. To resolve this issue upgrade to Flask-AppBuilder 3.2.2 or above. If upgrading is infeasible users may filter HTTP traffic containing `?next={next-site}` where the `next-site` domain is different from the application you are protecting as a workaround.
- Product
- Flask-AppBuilder
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 7, 2021Flask-AppBuilder is a development framework, built on top of Flask.CVE-2021-29621 · Other software · dpgaspar · reported by GitHubMedium 5.3
Flask-AppBuilder is a development framework, built on top of Flask. User enumeration in database authentication in Flask-AppBuilder <= 3.2.3. Allows for a non authenticated user to enumerate existing accounts by timing the response time from the server when you are logging in. Upgrade to version 3.3.0 or higher to resolve.
- Product
- Flask-AppBuilder
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.
Weekly security brief
The flaws that hit local websites, every Friday.
One short email: what got exploited this week, which WordPress plugins broke, and what to check. Unsubscribe in one click.
Tell us what you're building.
A website, your marketing, a security check, an app, or the thing you've been running out of a spreadsheet for three years. A few lines is plenty.
Not ready to talk yet? Run the free website check and see what Google sees.