Deserialization of Untrusted Data

Overview phpoffice/phpspreadsheet is a Spreadsheet engine that Read, Create and Write Spreadsheet documents in PHP . Affected versions of this package are vulnerable to Deserialization of Untrusted Data in the File::prohibitWrappers function. An attacker can execute arbitrary code or read files b...

CVE-2026-48516

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, InterfaceLookupFormatter constructs an internal Dictionary with the default equality comparer instead of the security-aware comparer supplied by options.Security.GetEqualityComparer. This formatter omission allows...

Deserialization of Untrusted Data

Overview Glances is an A cross-platform curses-based monitoring tool Affected versions of this package are vulnerable to Deserialization of Untrusted Data in the Outdated.loadcache process. An attacker can execute arbitrary code with the privileges of the user running the application by planting ...

CVE-2026-48509 MessagePack-CSharp: ASP.NET Core MessagePackInputFormatter defaults to TrustedData for HTTP request bodies

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, the parameterless MessagePackInputFormatter constructor uses default serializer options, which resolve to MessagePackSerializerOptions.Standard with MessagePackSecurity.TrustedData. The formatter is designed for...

CVE-2026-48509

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, the parameterless MessagePackInputFormatter constructor uses default serializer options, which resolve to MessagePackSerializerOptions.Standard with MessagePackSecurity.TrustedData. The formatter is designed for...

CVE-2026-48511

Summary: CVE-2026-48511 affects MessagePack for C# where ExpandoObjectFormatter.Deserialize inserts map entries into ExpandoObject via IDictionary.Add. This insertion pattern, coupled with ExpandoObject’s internal array-like member storage, can trigger repeated linear scans and array copies, caus...

CVE-2026-48511 MessagePack-CSharp: ExpandoObject formatter can perform quadratic insertion work on untrusted maps

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, ExpandoObjectFormatter.Deserialize populates System.Dynamic.ExpandoObject by calling IDictionary.Add for each map entry. ExpandoObject internally maintains member names in array-like structures, so inserting many...

CVE-2026-48511 MessagePack-CSharp: ExpandoObject formatter can perform quadratic insertion work on untrusted maps

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, ExpandoObjectFormatter.Deserialize populates System.Dynamic.ExpandoObject by calling IDictionary.Add for each map entry. ExpandoObject internally maintains member names in array-like structures, so inserting many...

CVE-2026-48511 MessagePack-CSharp: ExpandoObject formatter can perform quadratic insertion work on untrusted maps

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, ExpandoObjectFormatter.Deserialize populates System.Dynamic.ExpandoObject by calling IDictionary.Add for each map entry. ExpandoObject internally maintains member names in array-like structures, so inserting many...

Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the JMX RMI connector. An attacker can execute arbitrary code on the server by sending specially crafted serialized Java objects prior to authentication. Note: This is only exploitable if the JMX...

CVE-2026-48516 MessagePack-CSharp: InterfaceLookupFormatter bypasses collision-resistant comparer settings

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, InterfaceLookupFormatter constructs an internal Dictionary with the default equality comparer instead of the security-aware comparer supplied by options.Security.GetEqualityComparer. This formatter omission allows...

CVE-2026-48516

MessagePack for C# (MessagePack-CSharp) prior to versions 2.5.301 and 3.1.7 constructs InterfaceLookupFormatter with a default Dictionary<TKey,IGrouping> comparer instead of the security-aware comparer from options.Security.GetEqualityComparer(). This can enable a hash-collision CPU denial-...

Deserialization of Untrusted Data

Overview io.spinnaker.orca:orca-clouddriver is a Spinnaker Orca Affected versions of this package are vulnerable to Deserialization of Untrusted Data in the YAML processing. An attacker can execute arbitrary code by supplying crafted YAML input that triggers unsafe class loading during operations...

Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data in the YAML processing. An attacker can execute arbitrary code by supplying crafted YAML input that triggers unsafe class loading during operations such as CloudFormation deployments or CloudFoundry...

Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data in the YAML processing. An attacker can execute arbitrary code by supplying crafted YAML input that triggers unsafe class loading during operations such as CloudFormation deployments or CloudFoundry...

CVE-2026-12862

Untrusted user data was passed verbatim to Excel exports for administrators. This allowed formula injection which can be used to compromise the environment of the user loading the file or other data in the file...

CVE-2026-12862

The CVE-2026-12862 entry documents a formula-injection risk in XLSX exports where untrusted user data is passed directly to Excel exports for administrators. Root cause: untrusted data used in the export path enables Excel formulas to be interpreted when the file is opened, potentially compromisi...

CVE-2026-12862 XLSX formula injection in exports

Untrusted user data was passed verbatim to Excel exports for administrators. This allowed formula injection which can be used to compromise the environment of the user loading the file or other data in the file...

EUVD-2026-38220

Untrusted user data was passed verbatim to Excel exports for administrators. This allowed formula injection which can be used to compromise the environment of the user loading the file or other data in the file...

PT-2026-51446

Name of the Vulnerable Software and Affected Versions OpenDJ Community Edition versions prior to 5.1.1 Description A Deserialization of Untrusted Data issue in the JMX RMI connector allows an unauthenticated remote attacker to deserialize arbitrary Java objects on the server. The issue occurs...