CVE-2025-57330

web3-core-subscriptions has a Prototype Pollution vulnerability

7.5 HighFix available

The web3-core-subscriptions is a package designed to manages web3 subscriptions. A Prototype Pollution vulnerability in the attachToObject function of web3-core-subscriptions version 1.10.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.39%Up 0.4 points since Sep 25, 2025

What each source reports

CVE List Score used 7.5

Record: CVE-2025-57330
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-1321
Updated: 2026-11-02

EUVDEUVD-2025-31064 7.5

Record: EUVD-2025-31064
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-hhf6-3xpg-pggx 2.9

web3-core-subscriptions has a Prototype Pollution vulnerability

Record: GHSA-hhf6-3xpg-pggx
CVSS 4.0: 2.9 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Weakness: CWE-1321
Updated: 2026-11-02

NVD 7.5

Record: CVE-2025-57330
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-1321
Updated: 2026-11-02

OSVGHSA-hhf6-3xpg-pggx 2.9

web3-core-subscriptions has a Prototype Pollution vulnerability

Record: GHSA-hhf6-3xpg-pggx
CVSS 4.0: 2.9 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Weakness: CWE-1321
Updated: 2026-11-02

OSVCLSA-2026-1789040603 No score

TuxCare security update for 3 packages (1 CVE)

TuxCare rebuilt 3 packages to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1789040603
Updated: 2026-11-02

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OSVCLSA-2026-1792160945 No score

TuxCare security update for web3-core (1 CVE)

TuxCare rebuilt web3-core to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792160945
Updated: 2026-11-02

OSVCLSA-2026-1792161432 No score

TuxCare security update for web3 (1 CVE)

TuxCare rebuilt web3 to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792161432
Updated: 2026-11-02

OSVCLSA-2026-1792161488 No score

TuxCare security update for web3-bzz (1 CVE)

TuxCare rebuilt web3-bzz to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792161488
Updated: 2026-11-02

OSVCLSA-2026-1792161656 No score

TuxCare security update for web3-core-helpers (1 CVE)

TuxCare rebuilt web3-core-helpers to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792161656
Updated: 2026-11-02

OSVCLSA-2026-1792161673 No score

TuxCare security update for web3-core-method (1 CVE)

TuxCare rebuilt web3-core-method to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792161673
Updated: 2026-11-02

OSVCLSA-2026-1792161839 No score

TuxCare security update for web3-core-requestmanager (1 CVE)

TuxCare rebuilt web3-core-requestmanager to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792161839
Updated: 2026-11-02

OSVCLSA-2026-1792161967 No score

TuxCare security update for web3-core-subscriptions (1 CVE)

TuxCare rebuilt web3-core-subscriptions to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792161967
Updated: 2026-11-02

OSVCLSA-2026-1792162003 No score

TuxCare security update for web3-eth (1 CVE)

TuxCare rebuilt web3-eth to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792162003
Updated: 2026-11-02

OSVCLSA-2026-1792162032 No score

TuxCare security update for web3-eth-accounts (1 CVE)

TuxCare rebuilt web3-eth-accounts to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792162032
Updated: 2026-11-02

OSVCLSA-2026-1792162040 No score

TuxCare security update for web3-eth-contract (1 CVE)

TuxCare rebuilt web3-eth-contract to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792162040
Updated: 2026-11-02

OSVCLSA-2026-1792162059 No score

TuxCare security update for web3-eth-ens (1 CVE)

TuxCare rebuilt web3-eth-ens to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792162059
Updated: 2026-11-02

OSVCLSA-2026-1792162064 No score

TuxCare security update for web3-eth-iban (1 CVE)

TuxCare rebuilt web3-eth-iban to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792162064
Updated: 2026-11-02

OSVCLSA-2026-1792162083 No score

TuxCare security update for web3-net (1 CVE)

TuxCare rebuilt web3-net to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792162083
Updated: 2026-11-02

OSVCLSA-2026-1792162107 No score

TuxCare security update for web3-providers-http (1 CVE)

TuxCare rebuilt web3-providers-http to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792162107
Updated: 2026-11-02

OSVCLSA-2026-1792162129 No score

TuxCare security update for web3-providers-ipc (1 CVE)

TuxCare rebuilt web3-providers-ipc to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792162129
Updated: 2026-11-02

OSVCLSA-2026-1792162150 No score

TuxCare security update for web3-eth-personal (1 CVE)

TuxCare rebuilt web3-eth-personal to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792162150
Updated: 2026-11-02

OSVCLSA-2026-1792162153 No score

TuxCare security update for web3-providers-ws (1 CVE)

TuxCare rebuilt web3-providers-ws to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792162153
Updated: 2026-11-02

OSVCLSA-2026-1792162172 No score

TuxCare security update for web3-shh (1 CVE)

TuxCare rebuilt web3-shh to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792162172
Updated: 2026-11-02

OSVCLSA-2026-1792162192 No score

TuxCare security update for web3-utils (1 CVE)

TuxCare rebuilt web3-utils to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792162192
Updated: 2026-11-02

OSVCLSA-2026-1792162195 No score

TuxCare security update for web3-core-promievent (1 CVE)

TuxCare rebuilt web3-core-promievent to address 1 CVE. Fixed in 1.10.4-tuxcare.1.

Record: CLSA-2026-1792162195
Updated: 2026-11-02

Affected products

web3js web3-core-subscriptions

Affected packages

Affected packages
Package	Affected	Fixed
`web3-core-subscriptions` npm	through 2.0.0-alpha.1	None known
`web3-eth-abi` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-eth2-beaconchain` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-eth2-core` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-core` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-bzz` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-core-helpers` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-core-method` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-core-requestmanager` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1

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Affected packages
Package	Affected	Fixed
`web3-core-subscriptions` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-eth` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-eth-accounts` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-eth-contract` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-eth-ens` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-eth-iban` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-net` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-providers-http` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-providers-ipc` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-eth-personal` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-providers-ws` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-shh` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-utils` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1
`web3-core-promievent` TuxCare:npm	1.10.4-tuxcare.0 up to 1.10.4-tuxcare.1, plus listed versions 1.10.4	1.10.4-tuxcare.1

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-57330 is a high vulnerability (CVSS 7.5) in Web3js Web3-core-subscriptions, published September 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. Fixed in web3-eth-abi 1.10.4-tuxcare.1.