CVE-2026-33939
HighAdvisory
Published 27 Mar 2026In the index since 6 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 7.5
- base score, highest
- EPSS
- 0.006
- 48th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 117
- of 17,781 indexed, latest versions
- Container images
- 109
- deployed by those charts
- Fix available
- 1 of 2
- affected packages
Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation
Carried by container images the latest versions of 117 of 17,781 indexed charts deploy, on 109 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| handlebarsnpm | 4.0.6, 4.0.10, 4.0.11, 4.0.12+8 more | 4.7.9 | 109 |
| node-handlebarsdeb | 3:4.7.7+~4.1.0-1 | no fix listed | 1 |
- OSV records
- GHSA-9cx6-37pm-9jffUBUNTU-CVE-2026-33939
Charts affected
117 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| kratos-selfservice-ui-noderadar-baseVerified publisher | 0.43.1 | 1 of 1See more | 2,969 |
| routr-connectroutr | 0.4.3 | 5 of 10See more | 11,021 |
| joplinrubxkubeVerified publisher | 1.3.1 | 1 of 2See more | 7,413 |
| safe-stacksafe-global | 0.1.0 | 1 of 9See more | 19,560 |
| safe-transaction-servicesafe-global | 0.1.0 | 1 of 6See more | 16,620 |
| seerr-chartseerr-chartVerified publisher | 3.9.1 | 1 of 1See more | 1,991 |
| fdi-dotstatsuite-dlmstatcan | 0.3.1 | 1 of 1See more | 3,881 |
| kurento_webrtc_demostunner | 0.1.0 | 1 of 2See more | 12,460 |
| stunner-kurento-one2one-callstunner | 0.1.0 | 1 of 2See more | 12,460 |
| trudesktechpreta | 1.0.0 | 1 of 3See more | 4,017 |
| csmmth-chartsVerified publisher | 0.1.0 | 1 of 3See more | 3,576 |
| saleor-appstrieb-work | 0.6.0 | 2 of 5See more | 6,994 |
| wazuhwazuh-helm-eksVerified publisher | 1.2.10 | 1 of 6See more | 5,484 |
| kibanawiremindVerified publisher | 8.5.23 | 1 of 2See more | 6,285 |
| opendistro-eswitcom-gmbh | 1.13.3 | 1 of 3See more | 5,806 |
| workadventureworkadventure | 1.1.0 | 1 of 9See more | 16,083 |
| ygdrassil-monitoringygdrassilVerified publisher | 0.4.0 | 1 of 10See more | 9,381 |
Container images carrying it
109 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| mojaloop/ | 89b8ab71b74b | handlebars | 4.7.9 | 5 |
| pantsel/ | c8172b75607d | handlebars | 4.7.9 | 3 |
| rcdelacruz/ | 38007f358355 | handlebars | 4.7.9 | 3 |
| ghcr.io/ | f4768de5f616 | handlebars | 4.7.9 | 3 |
| amazon/ | c740d7a89475 | handlebars | 4.7.9 | 2 |
| ethersphere/ | 0558799ca992 | handlebars | 4.7.9 | 2 |
| gjeanmart/ | 926264c8f2d1 | handlebars | 4.7.9 | 2 |
| hoppscotch/ | f1da831950b7 | handlebars | 4.7.9 | 2 |
| l7mp/ | fd2b2d06fff6 | handlebars | 4.7.9 | 2 |
| martinaif/ | 43bc40a3da0e | handlebars | 4.7.9 | 2 |
| migmartri/ | 486aacfd5aa9 | handlebars | 4.7.9 | 2 |
| mojaloop/ | 1abc8a7aa71c | handlebars | 4.7.9 | 2 |
| mojaloop/ | fb71d233c742 | handlebars | 4.7.9 | 2 |
| mojaloop/ | def4bf273721 | handlebars | 4.7.9 | 2 |
| opensearchproject/ | 39695180364b | handlebars | 4.7.9 | 2 |
| amazon/ | 5126e2e79a1f | handlebars | 4.7.9 | 1 |
| amundsendev/ | 69e7915e61c1 | handlebars | 4.7.9 | 1 |
| aolde/ | dc61ee713720 | handlebars | 4.7.9 | 1 |
| assistiot/ | 2297b4350211 | handlebars | 4.7.9 | 1 |
| assistiot/ | 0570b27bb7c2 | handlebars | 4.7.9 | 1 |
| automatischio/ | 3bace7a12d5f | handlebars | 4.7.9 | 1 |
| catalysm/ | f003b35f54d9 | handlebars | 4.7.9 | 1 |
| countly/ | f4cc7447c4f5 | handlebars | 4.7.9 | 1 |
| countly/ | e3c238248f99 | handlebars | 4.7.9 | 1 |
| countly/ | 2acbc11499b6 | handlebars | 4.7.9 | 1 |
| daskdev/ | 052630f5ca04 | handlebars | 4.7.9 | 1 |
| ethereumoptimism/ | e07968a0e686 | handlebars | 4.7.9 | 1 |
| fallenbagel/ | 4538137bc5af | handlebars | 4.7.9 | 1 |
| fiware/ | d551a13e8278 | handlebars | 4.7.9 | 1 |
| flagsmith/ | df02a29e8b0c | handlebars | 4.7.9 | 1 |
| flanksource/ | 764c84e550db | handlebars | 4.7.9 | 1 |
| fonoster/ | e8c84b5eaa67 | handlebars | 4.7.9 | 1 |
| fonoster/ | 5f8f380dc174 | handlebars | 4.7.9 | 1 |
| fonoster/ | 051ba9c34ef5 | handlebars | 4.7.9 | 1 |
| fonoster/ | e4d5f5ff1945 | handlebars | 4.7.9 | 1 |
| fonoster/ | e27001f2813c | handlebars | 4.7.9 | 1 |
| graphiteapp/ | 04a0037cc2ae | handlebars | 4.7.9 | 1 |
| hoppscotch/ | 538fe6ded4b6 | handlebars | 4.7.9 | 1 |
| ibarreche/ | c8970ac1c8dc | handlebars | 4.7.9 | 1 |
| ibmcom/ | e2a86997b36b | handlebars | 4.7.9 | 1 |
| ibmcom/ | ed5505e5c7ec | handlebars | 4.7.9 | 1 |
| jayfong/ | 163e5d621910 | handlebars | 4.7.9 | 1 |
| jhidalgo3/ | dfa8628d79f5 | handlebars | 4.7.9 | 1 |
| joplin/ | 52af57880c0e | handlebars | 4.7.9 | 1 |
| joplin/ | b87564ef34e9 | handlebars | 4.7.9 | 1 |
| jupyterhub/ | 3974ba945e65 | handlebars node-handlebars | 4.7.9 no fix listed | 1 |
| kobotoolbox/ | bcacc01bccd4 | handlebars | 4.7.9 | 1 |
| kvalitetsit/ | 2b99cfa3c5df | handlebars | 4.7.9 | 1 |
| library/ | 2654b1e90413 | handlebars | 4.7.9 | 1 |
| library/ | 767230c0f263 | handlebars | 4.7.9 | 1 |