CVE-2020-8178
Command Injection in jison
Insufficient input validation in npm package jison <= 0.4.18 may lead to OS command injection attacks.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Insufficient input validation in npm package jison <= 0.4.18 may lead to OS command injection attacks.
- Record
CVE-2020-8178- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE List No score
Insufficient input validation in npm package jison <= 0.4.18 may lead to OS command injection attacks.
- Record
CVE-2020-8178- Weakness
- CWE-78
- Updated
- 2026-11-02
EUVDEUVD-2020-1438 No score
Insufficient input validation in npm package jison <= 0.4.18 may lead to OS command injection attacks.
- Record
EUVD-2020-1438- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vr9x-mm65-2438 No score
Command Injection in jison
Withdrawn: This vulnerability is not present in the released npm package. Rather the vulnerable code is part of the repo, but not part of the package. See linked hackerone report for more details.
Insufficient input validation in npm package jison <= 0.4.18 may lead to OS command injection attacks.
- Record
GHSA-vr9x-mm65-2438- Weakness
- CWE-78
- Updated
- 2026-11-02
OSVOESA-2022-1546
nodejs-jison security update
A parser generator with Bison's API.
Security Fix(es):
Insufficient input validation in npm package jison <= 0.4.18 may lead to OS command injection attacks.(CVE-2020-8178)
- Record
OESA-2022-1546- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVOESA-2022-2046
nodejs-jison security update
A parser generator with Bison's API.
Security Fix(es):
Insufficient input validation in npm package jison <= 0.4.18 may lead to OS command injection attacks.(CVE-2020-8178)
- Record
OESA-2022-2046- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-8178
Insufficient input validation in npm package jison <= 0.4.18 may lead to OS command injection attacks.
- Record
UBUNTU-CVE-2020-8178- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-vr9x-mm65-2438 No score
Command Injection in jison
Withdrawn: This vulnerability is not present in the released npm package. Rather the vulnerable code is part of the repo, but not part of the package. See linked hackerone report for more details.
Insufficient input validation in npm package jison <= 0.4.18 may lead to OS command injection attacks.
- Record
GHSA-vr9x-mm65-2438- Weakness
- CWE-78
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
nodejs-jisonopenEuler:20.03-LTS-SP1 |
before 0.4.18-2.oe1 | 0.4.18-2.oe1 |
nodejs-jisonopenEuler:20.03-LTS-SP2 |
before 0.4.18-2.oe1 | 0.4.18-2.oe1 |
nodejs-jisonopenEuler:20.03-LTS-SP3 |
before 0.4.18-2.oe1 | 0.4.18-2.oe1 |
nodejs-jisonopenEuler:22.03-LTS |
before 0.4.18-2.oe2203 | 0.4.18-2.oe2203 |
node-jisonUbuntu:18.04:LTS |
All versions, plus listed versions 0.4.17+dfsg-3build2 |
None known |
node-jisonUbuntu:20.04:LTS |
All versions, plus listed versions 0.4.17+dfsg-3build2 |
None known |
node-jisonUbuntu:22.04:LTS |
All versions, plus listed versions 0.4.17+dfsg-40.4.17+dfsg-5 |
None known |
node-jisonUbuntu:24.04:LTS |
All versions, plus listed versions 0.4.17+dfsg-5 |
None known |
node-jisonUbuntu:25.10 |
All versions, plus listed versions 0.4.17+dfsg-5 |
None known |
node-jisonUbuntu:26.10 |
All versions, plus listed versions 0.4.17+dfsg-6 |
None known |
node-jisonUbuntu:26.04:LTS |
All versions, plus listed versions 0.4.17+dfsg-50.4.17+dfsg-6 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-8178 is a critical vulnerability (CVSS 9.8) in Jison Project Jison, published July 15, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.63%, the 89th percentile. Fixed in nodejs-jison 0.4.18-2.oe1.
References
hackerone.com/reports/690010
nvd.nist.gov/vuln/detail/CVE-2020-8178
github.com/advisories/GHSA-vr9x-mm65-2438
openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1546
ubuntu.com/security/CVE-2020-8178
cve.org/CVERecord?id=CVE-2020-8178