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Fencer Vulns
low 2.6

CVE-2024-30261 json

Undici's fetch with integrity option is too lax when algorithm is specified but hash value is in incorrect

published 2024-04-04 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-1176 , GHSA-9qxr-qj54-h672

cvss
2.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

Undici is an HTTP/1.1 client, written from scratch for Node.js. An attacker can alter the `integrity` option passed to `fetch()`, allowing `fetch()` to accept requests as valid even if they have been tampered. This vulnerability was patched in version(s) 5.28.4 and 6.11.1.

Patch / fix

  • npm undici 5.28.4, 6.11.1
  • nodejs undici 5.28.4, 6.11.1
  • node-undici Debian 14, Debian 13 5.28.4+dfsg1+~cs23.12.11-1

debian advisories DEBIAN-CVE-2024-30261

  • nodejs16 SLE Module for Web and Scripting 12 16.20.2-8.45.1
  • nodejs18 SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE Module for Web and Scripting 15 SP5 +4 more 18.20.1-150400.9.21.3
  • nodejs18 SLE Module for Web and Scripting 12 18.20.1-8.21.1
  • nodejs20 SLE Module for Web and Scripting 15 SP5, openSUSE Leap 15.5 20.12.1-150500.11.9.2

suse advisories SUSE-SU-2024:1836-1SUSE-SU-2024:1309-1SUSE-SU-2024:1307-1SUSE-SU-2024:1301-1

  • nodejs-electron openSUSE Tumbleweed 28.2.10-3.1

opensuse advisories openSUSE-SU-2024:13855-1

  • nodejs Azure Linux 3.0 20.14.0-1
  • nodejs18 CBL-Mariner 2.0 18.20.2-1

azure linux advisories AZL-39773AZL-39819

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-30261 updated cvss 2.6

nodejs-undici: fetch() with integrity option is too lax when algorithm is specified but hash value is in incorrect

  • Red Hat JBoss Enterprise Application Platform 8 org.keycloak-keycloak-parent org.keycloak-keycloak-parent
    affected: workaround, no fix available “Fix deferred”
  • Red Hat Developer Hub (RHDH) 1.4 rhdh
    fixed: vendor fix RHSA-2025:1931
  • Red Hat OpenShift Dev Spaces 3 devspaces/dashboard-rhel8 3.16-27
    fixed: vendor fix RHSA-2024:6667
  • Red Hat Developer Hub (RHDH) 1.4 rhdh Red Hat Enterprise Linux 10 nodejs-undici Red Hat OpenShift Dev Spaces 3 devspaces/udi-rhel8 3.16-6, devspaces/idea-rhel8 3.16-3, devspaces/code-rhel8 3.16-20, devspaces/server-rhel8 3.16-14, devspaces/traefik-rhel8 3.16-2, devspaces/configbump-rhel8 3.16-4, +6 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • hackerone.com https://hackerone.com/reports/2377760 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 2.6 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
GitHub 3.1 2.6 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
NVD 3.1 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

Affected packages

ecosystem package affected fixed in
npm undici
<5.28.4
>=6.0.0, <6.11.1
5.28.4
6.11.1

Affected products

  • nodejs undici

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.