web2py vulnerabilities

CVE-2026-79318

web2py 3.2.2-stable (commit a7330a2bf21219fa77860b6665de927dd4f98e6d) is vulnerable to Directory Traversal in read_file()/write_file() (applications/admin/controllers/webservices.py).

CVE-2026-25198

web2py versions 2.27.1-stable+timestamp.2023.11.16.08.03.57 and prior contain an open redirect vulnerability. If this vulnerability is exploited, the user may be redirected to an arbitrary website when accessing a specially crafted URL. As a result, the user may become a victim of a phishing attack.

CVE-2023-45158

An OS command injection vulnerability exists in web2py 2.24.1 and earlier. When the product is configured to use notifySendHandler for logging (not the default configuration), a crafted web request may execute an arbitrary OS command on the web server using the product.

CVE-2023-22432

Open redirect vulnerability exists in web2py versions prior to 2.23.1. When using the tool, a web2py user may be redirected to an arbitrary website by accessing a specially crafted URL. As a result, the user may become a victim of a phishing attack.

CVE-2022-33146

Open redirect vulnerability in web2py versions prior to 2.22.5 allows a remote attacker to redirect a user to an arbitrary web site and conduct a phishing attack by having a user to access a specially crafted URL.

CVE-2016-3957

The secure_load function in gluon/utils.py in web2py before 2.14.2 uses pickle.loads to deserialize session information stored in cookies, which might allow remote attackers to execute arbitrary code by leveraging knowledge of encryption_key.

• Update to 2.12.3-1ubuntu0.1

CVE-2016-3954

web2py before 2.14.2 allows remote attackers to obtain the session_cookie_key value via a direct request to examples/simple_examples/status. NOTE: this issue can be leveraged by remote attackers to execute arbitrary code using CVE-2016-3957.

• Update to 2.12.3-1ubuntu0.1

CVE-2016-3953

The sample web application in web2py before 2.14.2 might allow remote attackers to execute arbitrary code via vectors involving use of a hardcoded encryption key when calling the session.connect function.

• Update to 2.12.3-1ubuntu0.1

CVE-2016-3952

web2py before 2.14.1, when using the standalone version, allows remote attackers to obtain environment variable values via a direct request to examples/template_examples/beautify. NOTE: this issue can be leveraged by remote attackers to gain administrative access.

• Update to 2.12.3-1ubuntu0.1

CVE-2016-10321

web2py before 2.14.6 does not properly check if a host is denied before verifying passwords, allowing a remote attacker to perform brute-force attacks.

• Update to 2.12.3-1ubuntu0.1

CVE-2016-4807

Web2py versions 2.14.5 and below was affected by Reflected XSS vulnerability, which allows an attacker to perform an XSS attack on logged in user (admin).

CVE-2016-4806

Web2py versions 2.14.5 and below was affected by Local File Inclusion vulnerability, which allows a malicious intended user to read/access web server sensitive files.