Description
Prototype pollution attack when using _.zipObjectDeep in lodash before 4.17.20.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | lodash | Not Fixed | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | node-lodash | 4.17.19+dfsg-1 | — |
| Debian 13 | node-lodash | 4.17.19+dfsg-1 | — |
| Debian 12 | node-lodash | 4.17.19+dfsg-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | node-lodash | 4.17.21+dfsg+~cs8.31.198.20210220-9ubuntu0.25.10.1 | USN-8411-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 26.04 LTS | node-lodash | 4.17.23+dfsg-1ubuntu0.1~esm1 | USN-8411-1 |
| Ubuntu Pro 24.04 LTS | node-lodash | 4.17.21+dfsg+~cs8.31.198.20210220-9ubuntu0.24.04.1~esm1 | USN-8411-1 |
| Ubuntu Pro 22.04 LTS | node-lodash | 4.17.21+dfsg+~cs8.31.198.20210220-5ubuntu0.1~esm1 | USN-8411-1 |
| Ubuntu Pro 20.04 LTS | node-lodash | 4.17.15+dfsg-2ubuntu0.1~esm1 | USN-8411-1 |
| Ubuntu Pro 18.04 LTS | node-lodash | 4.17.4+dfsg-1ubuntu0.1~esm1 | USN-8411-1 |
| Ubuntu Pro 16.04 LTS | node-lodash | 2.4.1+dfsg-3ubuntu0.1~esm1 | USN-8411-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Service Mesh 1 | ior +10 | 1.1.6-1.el8 | RHSA-2020:3369 |
| Red Hat Service Mesh 1 | kiali | v1.12.10.redhat2-1.el7 | RHSA-2020:3369 |
| Red Hat Service Mesh 1 | servicemesh-grafana +1 | 6.4.3-13.el8 | RHSA-2020:3369 |
| Red Hat Service Mesh 1 | servicemesh-operator | 1.1.6-2.el8 | RHSA-2020:3369 |
| Red Hat Service Mesh 1 | servicemesh-prometheus | 2.14.0-14.el8 | RHSA-2020:3369 |
| Red Hat Rhev Manager 4 | ovirt-engine-ui-extensions | 1.2.3-1.el8ev | RHSA-2020:3807 |
| Red Hat Rhev Manager 4 | ovirt-web-ui | 1.6.4-1.el8ev | RHSA-2020:5179, RHSA-2020:3807 |
| Red Hat Rhev Manager 4 | rhvm +19 | 4.4.2.3-0.6.el8ev | RHSA-2020:5179, RHSA-2020:3807 |
| Red Hat Rhev Hypervisor 4 | cockpit-ovirt +1 | 0.14.15-1.el8ev | RHSA-2020:5611 |
| Red Hat Rhev Hypervisor 4 | redhat-virtualization-host +1 | 4.4.3-20201210.0.el8_3 | RHSA-2020:5611 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | js-jquery | No fix yet | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
mcpmark-eval-liuhezi/audit-cve-2020-8203 ★ 0 · Oct 22, 2026
Dependency security audit writeup for lodash CVE-2020-8203 (prototype pollution, GHSA-p6mc-m468-83gw)
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | lodash | >= 3.7.0, < 4.17.19 | 4.17.19 | GHSA-p6mc-m468-83gw |
| npm | lodash-es | >= 3.7.0, < 4.17.20 | 4.17.20 | GHSA-p6mc-m468-83gw |
| npm | lodash.pick | >= 4.0.0, <= 4.4.0 | — | GHSA-p6mc-m468-83gw |
| npm | lodash.set | >= 3.7.0, <= 4.3.2 | — | GHSA-p6mc-m468-83gw |
| npm | lodash.setwith | <= 4.3.2 | — | GHSA-p6mc-m468-83gw |
| npm | lodash.update | <= 4.10.2 | — | GHSA-p6mc-m468-83gw |
| npm | lodash.updatewith | <= 4.10.2 | — | GHSA-p6mc-m468-83gw |
| RubyGems | lodash-rails | >= 3.7.0, < 4.17.19 | 4.17.19 | GHSA-p6mc-m468-83gw |
Advisories 10
- USN-8411-1 node-lodash vulnerabilities Ubuntu Security Notices (USN) · Oct 27, 2026
- RHSA-2020:3369 Red Hat Security Advisory: Red Hat OpenShift Service Mesh security update Red Hat Security Advisories (RHSA) · Oct 19, 2026
- WID-SEC-2026-4026 Red Hat OpenShift: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 18, 2026
- RHSA-2020:5611 Red Hat Security Advisory: Red Hat Virtualization security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 13, 2026
- RHSA-2020:5179 Red Hat Security Advisory: Red Hat Virtualization security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 13, 2026
- RHSA-2020:3807 Red Hat Security Advisory: Red Hat Virtualization security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 13, 2026
- WID-SEC-2023-1350 Splunk Splunk Enterprise: Mehrere Schwachstellen in Komponenten von Drittanbietern BSI CERT-Bund (WID) · Jul 1, 2026
- WID-SEC-2022-1375 JFrog Artifactory: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 12, 2025
- WID-SEC-2023-3025 IBM InfoSphere Information Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 4, 2023
- WID-SEC-2023-2981 Red Hat OpenShift: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 21, 2023
References
- https://hackerone.com/reports/712065
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://security.netapp.com/advisory/ntap-20200724-0006/
- https://github.com/lodash/lodash/issues/4874
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuapr2022.html