CVE-2026-1528

highpriority · track · 0EPSS 0.005 · 42 %ileDEEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.50% (42nd) EPSS
CVSS 7.5 · high
Is it mine?
13 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-22

ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process. Patches Patched in the undici version v7.24.0 and v6.24.0. Users should upgrade to this version or later.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixednodejs-1:22.22.2-1.el10_1.x86_64 as component of SUSE Liberty Linux 10suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixednodejs-devel-1:22.22.2-1.el10_1.x86_64 as component of SUSE Liberty Linux 10suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixednodejs-docs-1:22.22.2-1.el10_1.noarch as component of SUSE Liberty Linux 10suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixednodejs-full-i18n-1:22.22.2-1.el10_1.x86_64 as component of SUSE Liberty Linux 10suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixednodejs-libs-1:22.22.2-1.el10_1.x86_64 as component of SUSE Liberty Linux 10suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixednodejs-npm-1:10.9.7-1.22.22.2.1.el10_1.x86_64 as component of SUSE Liberty Linux 10suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixednodejs-1:22.22.2-1.module+el8.10.0+24148+847b6786.x86_64::nodejs:22 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixednodejs-devel-1:22.22.2-1.module+el8.10.0+24148+847b6786.x86_64::nodejs:22 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixednodejs-docs-1:22.22.2-1.module+el8.10.0+24148+847b6786.noarch::nodejs:22 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixednodejs-full-i18n-1:22.22.2-1.module+el8.10.0+24148+847b6786.x86_64::nodejs:22 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixednodejs-libs-1:22.22.2-1.module+el8.10.0+24148+847b6786.x86_64::nodejs:22 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixednodejs-nodemon-0:3.0.1-1.module+el8.10.0+24148+847b6786.noarch::nodejs:22 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixednodejs-packaging-0:2021.06-6.module+el8.10.0+24148+847b6786.noarch::nodejs:22 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixednodejs-packaging-bundler-0:2021.06-6.module+el8.10.0+24148+847b6786.noarch::nodejs:22 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixednpm-1:10.9.7-1.22.22.2.1.module+el8.10.0+24148+847b6786.x86_64::nodejs:22 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedv8-12.4-devel-3:12.4.254.21-1.22.22.2.1.module+el8.10.0+24148+847b6786.x86_64::nodejs:22 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

02

cvss

Technical severity, 0–10. One row per scoring source.

7.5
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 3.9 · impact 3.6
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 3.9 · impact 3.6
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

05

affected products (13)

Products and version ranges known to be affected.

06

advisories (4)

Vendor and ecosystem advisories describing this.

  • RHSA-2026:7080security update for nodejs222026-04-08csaf · suse_csafDE

    security update for nodejs22

  • RHSA-2026:7123security update for nodejs2026-04-08csaf · suse_csafDE

    security update for nodejs

  • WID-SEC-W-2026-0933IBM App Connect Enterprise (Hono und Undici): Mehrere SchwachstellenDeutsch2026-03-30csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in IBM App Connect Enterprise ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand herbeizuführen oder andere nicht näher bezeichnete Angriffe durchzuführen.

  • GHSA-f269-vfmq-vjvjUndici: Malicious WebSocket 64-bit length overflows parser and crashes the client2026-03-13ghsa · osvUS

    ### Impact A server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process. ### Patches Patched in the undici version v7.24.0 and v6.24.0. Users should upgrade to this version or later. ### Workarounds There are no workarounds.

07

also known as (3)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

09

references (29)

External citations — patches, advisories, analysis.

scry

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