CVE-2026-54722

dssrf: there a critical security bug with remove_at_symbol_in_string

HIGH
8.7
CVSS Score
Published: July 30, 2026 at 04:27 PM UTC
Updated: October 23, 2026 at 10:10 PM UTC
1 product affected across 1 vendorDSSRF (dssrf-js)

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Severity
HIGH8.7
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

DSSRF is a Node.js library that provides a wide range of utilities and advanced SSRF defense checks. Prior to 1.0.4, is_url_safe in src/helpers.ts strips the @ userinfo delimiter with remove_at_symbol_in_string before new URL parses the URL, allowing an attacker-controlled URL to bypass internal-IP validation and cause a client using the original URL to reach an internal service. This issue is fixed in version 1.0.4.

Affected

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

v < 1.0.4
Affected range stops below 1.0.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

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

CVSS

8.7HIGHGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-76

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