critical
CVE-2021-23369
nodejs-handlebars: Remote code execution when compiling untrusted compile templates with strict:true option
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Trivy's own label is CRITICAL. Rated critical by NVD, GHSA, Ruby Advisory DB. Rated lower by Red Hat (medium), Ubuntu (medium).
Description
The package handlebars before 4.7.7 are vulnerable to Remote Code Execution (RCE) when selecting certain compiling options to compile templates coming from an untrusted source.
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| maven::GitHub Security Advisory Maven | org.webjars.bowergithub.wycats:handlebars.js, org.webjars.npm:handlebars, org.webjars:handlebars | 4.7.7 |
| npm::GitHub Security Advisory npm | handlebars | 4.7.7 |
| rubygems::Ruby Advisory Database | handlebars-source | >= 4.7.7 |
| chainguard | code-server, commercial-gitlab-rails-ee-19.2, commercial-gitlab-rails-ee-19.3 and 35 more | 0 and 1 more |
| debian 10 | node-handlebars | 3:4.1.0-1+deb10u3 |
| debian 11 | node-handlebars | 3:4.7.6+~4.1.0-2 |
| debian 12 | node-handlebars | 3:4.7.6+~4.1.0-2 |
| debian 13 | node-handlebars | 3:4.7.6+~4.1.0-2 |
| debian 14 | node-handlebars | 3:4.7.6+~4.1.0-2 |
| debian 9 | libjs-handlebars | no fix listed |
| echo | node-handlebars | 3:4.7.6+~4.1.0-2 |
| Red Hat | kibana, ovirt-engine-ui-extensions, ovirt-web-ui and 6 more | no fix listed |
Show all 65 entries from 17 sources
| Source | Package | Fixed in |
|---|---|---|
| maven::GitHub Security Advisory Maven | org.webjars.bowergithub.wycats:handlebars.js | 4.7.7 |
| maven::GitHub Security Advisory Maven | org.webjars.npm:handlebars | 4.7.7 |
| maven::GitHub Security Advisory Maven | org.webjars:handlebars | 4.7.7 |
| npm::GitHub Security Advisory npm | handlebars | 4.7.7 |
| rubygems::Ruby Advisory Database | handlebars-source | >= 4.7.7 |
| chainguard | code-server | 0 |
| chainguard | commercial-gitlab-rails-ee-19.2 | 0 |
| chainguard | commercial-gitlab-rails-ee-19.3 | 0 |
| chainguard | commercial-gitlab-rails-ee-19.4 | 0 |
| chainguard | commercial-gitlab-rails-ee-fips-19.2 | 0 |
| chainguard | commercial-gitlab-rails-ee-fips-19.3 | 0 |
| chainguard | commercial-gitlab-rails-ee-fips-19.4 | 0 |
| chainguard | gitlab-rails-ce-18.1 | 0 |
| chainguard | gitlab-rails-ce-18.11 | 0 |
| chainguard | gitlab-rails-ce-18.2 | 0 |
| chainguard | gitlab-rails-ce-18.3 | 0 |
| chainguard | gitlab-rails-ce-18.4 | 0 |
| chainguard | gitlab-rails-ce-18.5 | 0 |
| chainguard | gitlab-rails-ce-18.6 | 0 |
| chainguard | gitlab-rails-ce-18.7 | 0 |
| chainguard | gitlab-rails-ce-18.8 | 0 |
| chainguard | gitlab-rails-ce-18.9 | 0 |
| chainguard | gitlab-rails-ce-19.0 | 0 |
| chainguard | gitlab-rails-ce-19.1 | 0 |
| chainguard | gitlab-rails-ce-19.2 | 0 |
| chainguard | gitlab-rails-ce-19.3 | 0 |
| chainguard | gitlab-rails-ce-19.4 | 0 |
| chainguard | gitlab-rails-ce-19.5 | 0 |
| chainguard | gitlab-rails-ce-fips-18.1 | 0 |
| chainguard | gitlab-rails-ce-fips-18.11 | 0 |
| chainguard | gitlab-rails-ce-fips-18.2 | 0 |
| chainguard | gitlab-rails-ce-fips-18.3 | 0 |
| chainguard | gitlab-rails-ce-fips-18.4 | 0 |
| chainguard | gitlab-rails-ce-fips-18.5 | 0 |
| chainguard | gitlab-rails-ce-fips-18.6 | 0 |
| chainguard | gitlab-rails-ce-fips-18.7 | 0 |
| chainguard | gitlab-rails-ce-fips-18.8 | 0 |
| chainguard | gitlab-rails-ce-fips-18.9 | 0 |
| chainguard | gitlab-rails-ce-fips-19.0 | 0 |
| chainguard | gitlab-rails-ce-fips-19.1 | 0 |
| chainguard | gitlab-rails-ce-fips-19.2 | 0 |
| chainguard | gitlab-rails-ce-fips-19.3 | 0 |
| chainguard | gitlab-rails-ce-fips-19.4 | 19.4.0-r1 |
| debian 10 | node-handlebars | 3:4.1.0-1+deb10u3 |
| debian 11 | node-handlebars | 3:4.7.6+~4.1.0-2 |
| debian 12 | node-handlebars | 3:4.7.6+~4.1.0-2 |
| debian 13 | node-handlebars | 3:4.7.6+~4.1.0-2 |
| debian 14 | node-handlebars | 3:4.7.6+~4.1.0-2 |
| debian 9 | libjs-handlebars | no fix listed |
| echo | node-handlebars | 3:4.7.6+~4.1.0-2 |
| Red Hat | kibana | no fix listed |
| Red Hat | ovirt-engine-ui-extensions | no fix listed |
| Red Hat | ovirt-web-ui | no fix listed |
| Red Hat | pcs | no fix listed |
| Red Hat | pcs-snmp | no fix listed |
| Red Hat | python-clufter | no fix listed |
| Red Hat | servicemesh-grafana | no fix listed |
| Red Hat | servicemesh-grafana-prometheus | no fix listed |
| Red Hat | servicemesh-prometheus | no fix listed |
| seal npm::Seal Security Database | @seal-security/handlebars | 4.1.2-sp999 |
| seal npm::Seal Security Database | handlebars | 4.1.2-sp999 |
| ubuntu 18.04-ESM | node-handlebars | no fix listed |
| ubuntu 20.04-ESM | node-handlebars | no fix listed |
| ubuntu 22.04 | node-handlebars | no fix listed |
| wolfi | code-server | 0 |
References
- https://access.redhat.com/security/cve/CVE-2021-23369
- https://github.com/advisories/GHSA-f2jv-r9rf-7988
- https://github.com/handlebars-lang/handlebars.js/commit/b6d3de7123eebba603e321f04afdbae608e8fea8
- https://github.com/handlebars-lang/handlebars.js/commit/f0589701698268578199be25285b2ebea1c1e427
- https://github.com/wycats/handlebars.js
- https://nvd.nist.gov/vuln/detail/CVE-2021-23369
- https://security.netapp.com/advisory/ntap-20210604-0008
- https://security.netapp.com/advisory/ntap-20210604-0008/