Effect Bug: `AsyncLocalStorage` context lost/contaminated inside Effect fibers under concurrent load with RPC

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-32887 · CVE overview and exploitation status

EUVD-2026-13818

GHSA-38f7-945m-qr2g

cve-program · CVE-2026-32887

• https://github.com/Effect-TS/effect/security/advisories/GHSA-38f7-945m-qr2g

euvd · EUVD-2026-13818

• https://github.com/Effect-TS/effect/security/advisories/GHSA-38f7-945m-qr2g

nvd · CVE-2026-32887

• https://github.com/Effect-TS/effect/security/advisories/GHSA-38f7-945m-qr2g

osv · GHSA-38f7-945m-qr2g

• https://github.com/Effect-TS/effect/security/advisories/GHSA-38f7-945m-qr2g
• https://nvd.nist.gov/vuln/detail/CVE-2026-32887
• https://github.com/Effect-TS/effect

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