Stack-based Buffer Overflow

Overview Affected versions of this package are vulnerable to Stack-based Buffer Overflow in the opensslverifycallback process during a DTLS handshake. An attacker can cause a process crash and disrupt service availability by sending a certificate with an oversized Subject Distinguished Name that...

CVE-2026-55076

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, Coder's OIDC callback checked emailverified with a direct Go bool type assertion. When an IdP returned the claim as a non-boolean for example the string...

PYSEC-2026-1491 Khoj has an IDOR in Notion OAuth Flow that Enables Index Poisoning

Summary An IDOR in the Notion OAuth callback allows an attacker to hijack any user's Notion integration by manipulating the state parameter. The callback endpoint accepts any user UUID without verifying the OAuth flow was initiated by that user, allowing attackers to replace victims' Notion...

CVE-2026-58371

A flaw was found in SeaweedFS. This vulnerability allows a remote attacker to disclose sensitive information by exploiting an unvalidated JSONP JavaScript Object Notation with Padding callback parameter. The system reflects the callback parameter directly into responses without proper validation ...

FastAPI SSP is vulnerable to Cross-site Request Forgery (CSRF) through improper OAuth parameter validation

Versions of the package fastapi-sso before 0.19.0 are vulnerable to Cross-site Request Forgery CSRF due to the improper validation of the OAuth state parameter during the authentication callback. While the getloginurl method allows for state generation, it does not persist the state or bind it to...

PYSEC-2026-1362 FastAPI SSP is vulnerable to Cross-site Request Forgery (CSRF) through improper OAuth parameter validation

Versions of the package fastapi-sso before 0.19.0 are vulnerable to Cross-site Request Forgery CSRF due to the improper validation of the OAuth state parameter during the authentication callback. While the getloginurl method allows for state generation, it does not persist the state or bind it to...

Spotipy has a XSS vulnerability in its OAuth callback server

SummaryXSS vulnerability in OAuth callback server allows JavaScript injection through unsanitized error parameter. Attackers can execute arbitrary JavaScript in the user's browser during OAuth authentication. DetailsVulnerable Code: spotipy/oauth2.py lines 1238-1274 RequestHandler.doGETThe...

FastMCP vulnerable to reflected XSS in client's callback page

SummaryWhile setting up an oauth client, it was noticed that the callback page hosted by the client during the flow embeds user-controlled content without escaping or sanitizing it. This leads to a reflected Cross-Site-Scripting vulnerability. DetailsThe affected code is located in...

PYSEC-2026-1364 FastMCP vulnerable to reflected XSS in client's callback page

Summary While setting up an oauth client, it was noticed that the callback page hosted by the client during the flow embeds user-controlled content without escaping or sanitizing it. This leads to a reflected Cross-Site-Scripting vulnerability. Details The affected code is located in...

GO-2026-5898 Casdoor SAML callback handler accepts any well-formed SAMLResponse sent to /api/acs without verifying that it corresponds to an AuthnRequest in github.com/casdoor/casdoor

Casdoor SAML callback handler accepts any well-formed SAMLResponse sent to /api/acs without verifying that it corresponds to an AuthnRequest in github.com/casdoor/casdoor...

PYSEC-2026-1541 LiteLLM Vulnerable to Remote Code Execution (RCE)

BerriAI/litellm version 1.40.12 contains a vulnerability that allows remote code execution. The issue exists in the handling of the 'postcallrules' configuration, where a callback function can be added. The provided value is split at the final '.' mark, with the last part considered the function...

OMERO.web must check that the JSONP callback is a valid function

BackgroundThere is currently no escaping or validation of the callback parameter that can be passed to various OMERO.web endpoints that have JSONP enabled. One such endpoint is /webclient/imgData/.... As we only really use these endpoints with jQuery's own callback name generation ^1 it is quite...

PYSEC-2026-1718 OMERO.web must check that the JSONP callback is a valid function

Background There is currently no escaping or validation of the callback parameter that can be passed to various OMERO.web endpoints that have JSONP enabled. One such endpoint is /webclient/imgData/.... As we only really use these endpoints with jQuery's own callback name generation ^1 it is quite...

CVE-2026-54898

A flaw was found in Oj, a Ruby library designed for efficient JSON JavaScript Object Notation parsing. This vulnerability, a heap use-after-free, occurs when a specific function, called a callback, modifies the input JSON string during the parsing process. This action can lead to the program...

PYSEC-2026-768 Ansible leaks password to logs

A flaw was found in Ansible in the amazon.aws collection when using the towercallback parameter from the amazon.aws.ec2instance module. This flaw allows an attacker to take advantage of this issue as the module is handling the parameter insecurely, leading to the password leaking in the logs...

Ansible leaks password to logs

A flaw was found in Ansible in the amazon.aws collection when using the towercallback parameter from the amazon.aws.ec2instance module. This flaw allows an attacker to take advantage of this issue as the module is handling the parameter insecurely, leading to the password leaking in the logs...

CVE-2026-55076: Improper Authentication

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, Coder's OIDC callback checked emailverified with a direct Go bool type assertion. When an IdP returned the claim as a non-boolean for example the string...

CVE-2026-43928 FOSSBilling: Payment amount not validated in PayPalEmail adapter allows invoice underpayment

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, the PayPalEmail payment adapter accepts PayPal IPN callbacks and credits the IPN-supplied amount mcgross to the client's balance without validating it against the invoice total. Combined with a $0.05...

CVE-2026-42341 FOSSBilling has an unauthenticated payment bypass via IPN callback forgery

FOSSBilling is a free, open-source billing and client management system. Versions 0.6.0 through 0.7.2 have an unauthenticated payment bypass vulnerability in FOSSBilling's IPN callback endpoint. When the Custom payment adapter is enabled, an attacker can mark any unpaid invoice as paid and credit...

CVE-2026-42341

FOSSBilling is a free, open-source billing and client management system. Versions 0.6.0 through 0.7.2 have an unauthenticated payment bypass vulnerability in FOSSBilling's IPN callback endpoint. When the Custom payment adapter is enabled, an attacker can mark any unpaid invoice as paid and credit...