CVE-2026-59940

Seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. Prior to 1.5.3, seroval.fromJSON allows attacker-controlled JSON Promise control nodes to operate on values from the general deserialization reference table without verifying genuine...

CVE-2026-59940 Seroval: `seroval.fromJSON()` Promise resolver type confusion invokes attacker-controlled methods during deserialization

Seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. Prior to 1.5.3, seroval.fromJSON allows attacker-controlled JSON Promise control nodes to operate on values from the general deserialization reference table without verifying genuine...

EUVD-2026-60942

Seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. Prior to 1.5.3, seroval.fromJSON allows attacker-controlled JSON Promise control nodes to operate on values from the general deserialization reference table without verifying genuine...

CVE-2026-59940

In seroval (npm package) versions prior to 1.5.3, fromJSON() suffered a type confusion flaw where attacker-controlled Promise control nodes could operate on values in the general deserialization reference table without verifying they were genuine internal promise resolver records. This caused des...

CVE-2026-59940

Seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. Prior to 1.5.3, seroval.fromJSON allows attacker-controlled JSON Promise control nodes to operate on values from the general deserialization reference table without verifying genuine...

NPM: seroval: `seroval.fromJSON()` Promise resolver type confusion invokes attacker-controlled methods during deserialization

NPM: seroval: seroval.fromJSON Promise resolver type confusion invokes attacker-controlled methods during deserialization vulnerability discovered by ? in WordPress Npm seroval versions = 1.5.2...

@aexol/opencode-tui (>=0.2.5, <=0.2.10), @agent-qofeno/agentx-cli (>=1.20.47, <=1.20.52) +121 more potentially affected by CVE-2026-59940 via seroval (>=1.0.7, <=1.3.2)

seroval NPM version =1.0.7, =0.2.5, =1.20.47, =2.11.0, =1.0.0, =1.0.0, =1.1.54, =1.1.54, =1.0.24, =0.1.0, =0.3.0, =0.3.2 - @entropy-tamer/reynard-config 0.1.2 - @entropy-tamer/reynard-i18n 1.2.0 - @entropy-tamer/reynard-validation 0.2.0 and more Source cves: CVE-2026-59940 Source advisory:...

Access of Resource Using Incompatible Type ('Type Confusion')

Overview seroval is a Stringify JS values Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type 'Type Confusion' in the fromJSON process. An attacker can achieve unintended server-side invocation and potentially execute arbitrary code by supplying speciall...

seroval: `seroval.fromJSON()` Promise resolver type confusion invokes attacker-controlled methods during deserialization

Summary A type confusion issue in seroval.fromJSON allowed attacker-controlled JSON input to cause Promise control nodes to operate on values from the general deserialization reference table without first verifying that those values were genuine internal promise resolver records. In applications...

@aexol/opencode-tui (>=0.2.5, <=0.2.10), @agent-qofeno/agentx-cli (>=1.20.47, <=1.20.52) +121 more potentially affected by CVE-2026-59940 via seroval (>=1.0.7, <=1.3.2)

seroval NPM version =1.0.7, =0.2.5, =1.20.47, =2.11.0, =1.0.0, =1.0.0, =1.1.54, =1.1.54, =1.0.24, =0.1.0, =0.3.0, =0.3.2 - @entropy-tamer/reynard-config 0.1.2 - @entropy-tamer/reynard-i18n 1.2.0 - @entropy-tamer/reynard-validation 0.2.0 and more Source cves: CVE-2026-59940 Source advisory:...

Access of Resource Using Incompatible Type ('Type Confusion')

Overview org.webjars.npm:seroval is a Stringify JS values Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type 'Type Confusion' in the fromJSON process. An attacker can achieve unintended server-side invocation and potentially execute arbitrary code by...

GHSA-MV8W-475R-VWQW seroval: `seroval.fromJSON()` Promise resolver type confusion invokes attacker-controlled methods during deserialization

Summary A type confusion issue in seroval.fromJSON allowed attacker-controlled JSON input to cause Promise control nodes to operate on values from the general deserialization reference table without first verifying that those values were genuine internal promise resolver records. In applications...

ROOT-APP-NPM-CVE-2026-59940 CVE-2026-59940 in @rootio/seroval - Patched by Root

Root has patched CVE-2026-59940 in the @rootio/seroval package for Root:npm. Multiple fixed versions available...

PT-2026-64440

Name of the Vulnerable Software and Affected Versions seroval versions prior to 1.5.3 Description A type confusion issue exists in the fromJSON function. This flaw allows attacker-controlled JSON input to cause Promise control nodes to operate on values from the general deserialization reference...

TanStack Start - Server Core: Inbound server-function request deserialization could invoke a sibling client-referenced server function

Summary A type-confusion bug in seroval ≤ 1.5.2 upstream advisory allowed a crafted JSON body sent to one TanStack Start server function to trigger invocation of a different client-referenced server function as a side effect of deserializing the request payload. This is not an authentication bypa...

Access of Resource Using Incompatible Type ('Type Confusion')

Overview Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type 'Type Confusion' through an upstream type-confusion bug in seroval package. An attacker can trigger unintended execution of a different client-referenced server function by sending a specially...

SUSE CVE-2026-23736

seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. In versions 1.4.0 and below, due to improper input validation, a malicious object key can lead to prototype pollution during JSON deserialization. This vulnerability affects only JSON...

SUSE CVE-2026-23956

seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. In versions 0.2.0 through 1.4.0, overriding RegExp serialization with extremely large patterns can exhaust JavaScript runtime memory during deserialization. Additionally, overriding RegE...

SUSE CVE-2026-23957

seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. In versions 1.4.0 and below, overriding encoded array lengths by replacing them with an excessively large value causes the deserialization process to significantly increase processing...

SUSE CVE-2026-24006

Seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. In versions 1.4.0 and below, serialization of objects with extreme depth can exceed the maximum call stack limit. In version 1.4.1, Seroval introduces a depthLimit parameter in...