Security Vulnerabilities
IBM Langflow OSS 1.0.0 through 1.10.3 contain an authentication bypass vulnerability in the Model Context Protocol (MCP) composer endpoint when mcp_composer_enabled=true (default) and projects are configured with auth_type=oauth .
CVSS Score
7.5
EPSS Score
0.003
Published
2026-08-05
IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of the command field in MCP server configurations.
CVSS Score
8.8
EPSS Score
0.01
Published
2026-08-05
IBM Langflow OSS 1.0.0 through 1.10.3 Langflow could allow an authenticated attacker to read, modify, or expose sensitive host files via Docker-based MCP servers due to incomplete filtering of dangerous Docker volume-mount and device-mapping arguments.
CVSS Score
8.8
EPSS Score
0.003
Published
2026-08-05
IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote attacker to execute arbitrary code due to improper validation of configuration parameters.
CVSS Score
7.2
EPSS Score
0.004
Published
2026-08-05
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Answer.
This issue affects Apache Answer: through 2.0.1.
Deleted or pending answers could be retrieved by unauthorized users through the single-answer read path when the parent question remained visible, exposing answer content that should not have been accessible.
Users are recommended to upgrade to version 2.0.2, which fixes the issue.
CVSS Score
7.5
EPSS Score
0.004
Published
2026-08-05
Insufficient Session Expiration vulnerability in Apache Answer.
This issue affects Apache Answer: through 2.0.1.
Administrative API keys remained usable after the owning administrator was demoted or the account was marked inactive, suspended, or deleted, allowing continued access until the keys were explicitly removed.
Users are recommended to upgrade to version 2.0.2, which fixes the issue.
CVSS Score
9.1
EPSS Score
0.003
Published
2026-08-05
Insufficient Verification of Data Authenticity vulnerability in Apache Answer.
This issue affects Apache Answer: through 2.0.1.
A missing authorization check in the external-login email binding flow allows unauthenticated attackers to take over arbitrary user accounts by tricking victims into clicking a crafted confirmation link.
Users are recommended to upgrade to version 2.0.2, which fixes the issue.
CVSS Score
7.5
EPSS Score
0.004
Published
2026-08-05
Improper Input Validation vulnerability in Apache Answer.
This issue affects Apache Answer: through 2.0.1.
A missing ownership check in the avatar-cleanup logic allows any authenticated user to delete other users' uploaded files by supplying their file URLs.
Users are recommended to upgrade to version 2.0.2, which fixes the issue.
CVSS Score
6.5
EPSS Score
0.003
Published
2026-08-05
Improper Authorization vulnerability in Apache Answer.
This issue affects Apache Answer: through 2.0.1.
Any authenticated user can reject arbitrary pending edit-revisions without review permission due to a missing authorization check on the reject operation.
Users are recommended to upgrade to version 2.0.2, which fixes the issue.
CVSS Score
6.5
EPSS Score
0.003
Published
2026-08-05
Improper Handling of Length Parameter Inconsistency vulnerability in Apache Answer.
This issue affects Apache Answer: through 2.0.1.
Unauthenticated attackers can cause a denial of service via a specially crafted Accept-Language header that triggers excessive CPU consumption during parsing.
Users are recommended to upgrade to version 2.0.2, which fixes the issue.
CVSS Score
7.5
EPSS Score
0.005
Published
2026-08-05