CVE-2026-59940

creationtimestamp| type| source ---|---|--- 2026-08-18 16:08:45+00:00| seen| https://bsky.app/profile/stemshop.bsky.social/post/3mtem26g27v2j...

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

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...

@aexol/opencode-tui (>=0.2.5, <=0.2.10), @agent-qofeno/agentx-cli (>=1.20.47, <=1.20.52) +124 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:...

@aexol/opencode-tui (>=0.2.5, <=0.2.10), @agent-qofeno/agentx-cli (>=1.20.47, <=1.20.52) +124 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:...