CVE-2026-48069 | @grpc/grps-js: An incoming malformed compressed message can cause a client or server crash

@grpc/grps-js implements the core functionality of gRPC purely in JavaScript, without a C++ addon. Prior to 1.9.16, 1.10.12, 1.11.4, 1.12.7, 1.13.5, and 1.14.4, an invalid incoming compressed message can cause a client or server process that uses @grpc/grpc-js to crash. This issue is fixed in versions 1.9.16, 1.10.12, 1.11.4, 1.12.7, 1.13.5, and 1.14.4.

Published: 2026-07-14 Last update: 2026-07-15 Assigner: [email protected] Source: [email protected]
NVD Status：Deferred，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2026-48069 is rated Moderate Risk (46.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.62%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-48069

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-07-15 0.05% 0.62% +0.57%
2 2026-06-12 — 0.05% —

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-48069

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2026-48069

GitHub Security Advisory for CVE-2026-48069

GHSA-99f4-grh7-6pcq · Severity: high · Ecosystem: npm — @grpc/grpc-js: An incoming malformed compressed message can cause a client or server crash

Affected software / configurations for CVE-2026-48069

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2026-48069

URL Tags
https://github.com/grpc/grpc-node/commit/2375eadcc52ca2b1ef55288bcd6355168b02706c
https://github.com/grpc/grpc-node/commit/2fe55fd76a8bb59eaab5f39e3552b5f84985a163
https://github.com/grpc/grpc-node/commit/4091bd902105f8fb655741758aee71418c48b5d5
https://github.com/grpc/grpc-node/commit/b3f16094473b5c8f38b0955eafa4a19507127346
https://github.com/grpc/grpc-node/commit/b61c4d65953db85c2ae55b4b3cd98a4259dc87cb
https://github.com/grpc/grpc-node/commit/b6dcfc3cee9ef390e5869ebea5a8c5ae187720b9
https://github.com/grpc/grpc-node/releases/tag/%40grpc%2Fgrpc-js%401.10.12
https://github.com/grpc/grpc-node/releases/tag/%40grpc%2Fgrpc-js%401.11.4
https://github.com/grpc/grpc-node/releases/tag/%40grpc%2Fgrpc-js%401.12.7
https://github.com/grpc/grpc-node/releases/tag/%40grpc%2Fgrpc-js%401.13.5
https://github.com/grpc/grpc-node/releases/tag/%40grpc%2Fgrpc-js%401.14.4
https://github.com/grpc/grpc-node/releases/tag/%40grpc%2Fgrpc-js%401.9.16
https://github.com/grpc/grpc-node/security/advisories/GHSA-99f4-grh7-6pcq
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