CVE-2024-30261

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

LOW
3.5
CVSS Score
Published: April 4, 2024 at 03:09 PM UTC
Updated: June 17, 2026 at 07:26 AM UTC
2 products affected across 2 vendorsFedoraUndici

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Severity
LOW3.5
Exploit prediction
EPSS 0.8%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.28.4v < 6.11.16.0.0 ≤ v < 6.11.16.0.0
Affected range stops below 5.28.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.11.1, so it looks safe — our inference, not a vendor statement

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284NVD-CWE-noinfo

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