CVE-2025-7783 | Usage of unsafe random function in form-data for choosing boundary

Use of Insufficiently Random Values vulnerability in form-data allows HTTP Parameter Pollution (HPP). This vulnerability is associated with program files lib/form_data.Js. This issue affects form-data: < 2.5.4, 3.0.0 - 3.0.3, 4.0.0 - 4.0.3.

Published: 2025-07-18 Last update: 2026-04-15 Assigner: 7ffcee3d-2c14-4c3e-b844-86c6a321a158 Source: 7ffcee3d-2c14-4c3e-b844-86c6a321a158
NVD Status：Deferred，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-7783 is rated High Risk (66.5/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.32%). High exploitation likelihood—assess exposure and prioritize 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-2025-7783

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 2026-05-14 0.41% 1.32% +0.91%
2 2026-04-13 0.31% 0.41% +0.10%
3 2026-04-10 — 0.31% —

Full EPSS history (23 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-7783

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.4 4.0 CRITICAL
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network.
Attack complexity (AC:H)
Exploitation depends on constrained or hard-to-reproduce conditions.
Attack requirements (AT:N)
No additional preconditions are required beyond normal reachability.
Privileges required (PR:N)
No privileges are required.
User interaction (UI:N)
No user interaction is required.
Vulnerable system confidentiality impact (VC:H)
High confidentiality impact on the vulnerable system.
Vulnerable system integrity impact (VI:H)
High integrity impact on the vulnerable system.
Vulnerable system availability impact (VA:N)
No availability impact on the vulnerable system.
Subsequent system confidentiality impact (SC:H)
High confidentiality impact on subsequent systems.
Subsequent system integrity impact (SI:H)
High integrity impact on subsequent systems.
Subsequent system availability impact (SA:N)
No availability impact on subsequent systems.
Exploit maturity (threat) (E:X)
Not defined: no reliable threat intelligence; scoring assumes the worst case (equivalent to Attacked).
Confidentiality requirement (CR:X)
Not defined: insufficient information; scoring treats this like High (worst case).
Integrity requirement (IR:X)
Not defined: insufficient information; scoring treats this like High (worst case).
Availability requirement (AR:X)
Not defined: insufficient information; scoring treats this like High (worst case).
Modified attack vector (MAV:X)
Not defined: scoring uses the Base Attack Vector (AV).
Modified attack complexity (MAC:X)
Not defined: scoring uses the Base Attack Complexity (AC).
Modified attack requirements (MAT:X)
Not defined: scoring uses the Base Attack Requirements (AT).
Modified privileges required (MPR:X)
Not defined: scoring uses the Base Privileges Required (PR).
Modified user interaction (MUI:X)
Not defined: scoring uses the Base User Interaction (UI).
Modified vulnerable system confidentiality impact (MVC:X)
Not defined: scoring uses the Base VC metric.
Modified vulnerable system integrity impact (MVI:X)
Not defined: scoring uses the Base VI metric.
Modified vulnerable system availability impact (MVA:X)
Not defined: scoring uses the Base VA metric.
Modified subsequent system confidentiality impact (MSC:X)
Not defined: scoring uses the Base SC metric.
Modified subsequent system integrity impact (MSI:X)
Not defined: scoring uses the Base SI metric.
Modified subsequent system availability impact (MSA:X)
Not defined: scoring uses the Base SA metric.
Safety (supplemental) (S:X)
Not evaluated.
Automatable (supplemental) (AU:X)
Not evaluated.
Recovery (supplemental) (R:X)
Not evaluated.
Value density (supplemental) (V:X)
Not evaluated.
Vulnerability response effort (supplemental) (RE:X)
Not evaluated.
Provider urgency (supplemental) (U:X)
Not evaluated.
 — — 7ffcee3d-2c14-4c3e-b844-86c6a321a158

Weakness enumeration for CVE-2025-7783

GitHub Security Advisory for CVE-2025-7783

GHSA-fjxv-7rqg-78g4 · Severity: critical · Ecosystem: npm — form-data uses unsafe random function in form-data for choosing boundary

OS Trackers for CVE-2025-7783

vendor priority summary link
debian not yet assigned CVE-2025-7783 not yet assigned priority: Debian including 1 source packages (node-form-data), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2025-7783
redhat medium — https://access.redhat.com/security/cve/CVE-2025-7783
suse high CVE-2025-7783 severity important: SUSE including 53 source package names (corepack20, corepack22, …), 213 product×package rows across 26 product lines (SLES-LTSS-TERADATA 15 SP2, SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS, … (26 product lines)): Known Not Affected 194, Fixed 19. https://www.suse.com/security/cve/CVE-2025-7783/
ubuntu medium CVE-2025-7783 medium priority: Ubuntu including 1 source packages (node-form-data), 9 status rows across 9 suites (bionic, focal, jammy, noble, plucky, questing, trusty, upstream, xenial): released 7, ignored 1, not-affected 1. https://ubuntu.com/security/CVE-2025-7783

Affected software / configurations for CVE-2025-7783

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-7783

cvelogic Threat Intelligence