CVE-2026-81521

CVE-2026-81521 affects the MongoDB Go Driver's Client.BulkWrite API . When a caller-supplied database name contains a reserved separator character (dot) that is not escaped before being used to build the target namespace, a write operation can be redirected to an unintended database and collectio...

CVE-2026-81521 Cross-database write retargeting via unvalidated dotted database name in Client.BulkWrite in the MongoDB Go Driver

The MongoDB Go Driver's client-level bulk write operation may accept a caller-supplied database name containing a reserved separator character without escaping it before the name is used to build the target namespace for the operation. An application that passes untrusted input as a database name...

UBUNTU-CVE-2026-71513

NLTK before 3.10.3 contains a remote code execution vulnerability in AllowlistUnpickler that validates only the pickle module string and not the global name, allowing attackers to resolve dotted names by attribute traversal to callables outside the allowlisted namespace. Attackers can craft...

CVE-2026-71513 NLTK 3.10.0 through 3.10.2 Remote Code Execution via AllowlistUnpickler Dotted-Name Bypass

NLTK before 3.10.3 contains a remote code execution vulnerability in AllowlistUnpickler that validates only the pickle module string and not the global name, allowing attackers to resolve dotted names by attribute traversal to callables outside the allowlisted namespace. Attackers can craft...

CVE-2026-71513

NLTK versions 3.10.0 through 3.10.2 contain a remote code execution vulnerability in the AllowlistUnpickler component (picklesec.py). The root cause is that the allowlist validation checks only the pickle module string but not the global name, enabling attackers to resolve dotted names via attrib...

CVE-2026-71513 NLTK 3.10.0 through 3.10.2 Remote Code Execution via AllowlistUnpickler Dotted-Name Bypass

NLTK before 3.10.3 contains a remote code execution vulnerability in AllowlistUnpickler that validates only the pickle module string and not the global name, allowing attackers to resolve dotted names by attribute traversal to callables outside the allowlisted namespace. Attackers can craft...