CVE-2026-53550
MediumAdvisory
Published 15 Jun 2026In the index since 5 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 5.3
- base score, highest
- EPSS
- 0.004
- 32nd percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 457
- of 17,787 indexed, latest versions
- Container images
- 453
- deployed by those charts
- Fix available
- 1 of 2
- affected packages
JS-YAML: Quadratic-complexity DoS in merge key handling via repeated aliases
Carried by container images the latest versions of 457 of 17,787 indexed charts deploy, on 453 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| js-yamlnpm | 1.0.3, 3.5.5, 3.6.1, 3.7.0+11 more | 3.15.0, 4.2.0 | 453 |
| node-js-yamldeb | 4.1.0+dfsg+~4.0.5-7 | no fix listed | 2 |
Charts affected
457 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| wikiwikijs | 3.0.0 | 1 of 2See more | 5,472 |
| kibanawiremindVerified publisher | 8.5.23 | 1 of 2See more | 6,323 |
| opendistro-eswitcom-gmbh | 1.13.3 | 1 of 3See more | 5,807 |
| workadventureworkadventure | 1.1.0 | 2 of 9See more | 16,083 |
| skoonerxdVerified publisher | 1.1.0 | 1 of 1See more | 1,752 |
| xkopsxkops | 0.1.0 | 1 of 5See more | 13,197 |
| ygdrassil-monitoringygdrassilVerified publisher | 0.4.0 | 1 of 10See more | 9,381 |
Container images carrying it
453 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| library/ | ac533a6988ee | js-yaml | 4.2.0 | 1 |
| library/ | 0172f1c538e7 | js-yaml | 3.15.0 | 1 |
| library/ | 04c0fc150f3a | js-yaml | 4.2.0 | 1 |
| library/ | c5781ba340ef | js-yaml | 3.15.0 | 1 |
| library/ | e2e2031c15be | js-yaml | 3.15.0 | 1 |
| library/ | 0032d2ca20db | js-yaml | 3.15.0 | 1 |
| library/ | 02a0cc7939f5 | js-yaml | 3.15.0 | 1 |
| library/ | 3b6c281e1c08 | js-yaml | 3.15.0 | 1 |
| library/ | 646902910d6a | js-yaml | 3.15.0 | 1 |
| library/ | 6ede2806c78e | js-yaml | 3.15.0 | 1 |
| library/ | 88785f6f665a | js-yaml | 3.15.0 | 1 |
| library/ | ae1cf99fa7bf | js-yaml | 3.15.0 | 1 |
| library/ | dca8d11fe467 | js-yaml | 3.15.0 | 1 |
| library/ | 1aae00775251 | js-yaml | 3.15.0 | 1 |
| linuxserver/ | a847b5b2d860 | js-yaml | 4.2.0 | 1 |
| linuxserver/ | a5e43a05ae79 | js-yaml | 4.2.0 | 1 |
| linuxserver/ | b801bbcf6386 | js-yaml | 3.15.0 | 1 |
| linuxserver/ | 6108ed066d4a | js-yaml | 4.2.0 | 1 |
| lissy93/ | 1991f7be5ed0 | js-yaml | 3.15.0 | 1 |
| lissy93/ | d3c95edc0a8b | js-yaml | 3.15.0 | 1 |
| litlyx/ | e64ff2d52385 | js-yaml | 4.2.0 | 1 |
| lsstsqre/ | 9ded78e7fe03 | js-yaml | 3.15.0 | 1 |
| ltdstudio/ | 0e76c6f4eac0 | js-yaml | 4.2.0 | 1 |
| lukasreining/ | 50e021c42e33 | js-yaml | 4.2.0 | 1 |
| markdegroot/ | d8445f2a0de6 | js-yaml | 4.2.0 | 1 |
| matrixdotorg/ | 0d37b4d42b47 | js-yaml | 3.15.0 | 1 |
| mautic/ | eb8cc73d97e1 | js-yaml | 4.2.0 | 1 |
| mintproject/ | 222e3b941a36 | js-yaml | 4.2.0 | 1 |
| mishtinetwork/ | bb3fe67a5f7c | js-yaml | 4.2.0 | 1 |
| misskey/ | e08b7c478093 | js-yaml | 4.2.0 | 1 |
| mitchxxx/ | 4e72480ec63a | js-yaml | 3.15.0 | 1 |
| moonrailgun/ | b528c8f8fcc4 | js-yaml | 4.2.0 | 1 |
| moreillon/ | 3739ef6956b5 | js-yaml | 3.15.0 | 1 |
| moreillon/ | d7d4a5463525 | js-yaml | 3.15.0 | 1 |
| moreillon/ | c1072f4ab6aa | js-yaml | 3.15.0 | 1 |
| moreillon/ | e8fd856e593d | js-yaml | 4.2.0 | 1 |
| moreillon/ | 3caa8f710ee0 | js-yaml | 4.2.0 | 1 |
| moreillon/ | d2ee0423b797 | js-yaml | 3.15.0 | 1 |
| mozilla/ | 1da6ff5c4895 | js-yaml | 3.15.0 | 1 |
| mpopoola1/ | 061fc532de7d | js-yaml | 4.2.0 | 1 |
| n8nio/ | 761374d4eb84 | js-yaml | 4.2.0 | 1 |
| n8nio/ | 8b39ed5a2de9 | js-yaml | 4.2.0 | 1 |
| n8nio/ | a9195bc499a3 | js-yaml | 4.2.0 | 1 |
| n8nio/ | dd171d45102a | js-yaml | 4.2.0 | 1 |
| n8nio/ | ed16e560c40e | js-yaml | 3.15.0 | 1 |
| neoskop/ | 25152b474f54 | js-yaml | 4.2.0 | 1 |
| neoskop/ | 7f52b5949f03 | js-yaml | 4.2.0 | 1 |
| netrisai/ | 6e865080e86c | js-yaml | 4.2.0 | 1 |
| nightscout/ | 00c3b4833f1b | js-yaml | 3.15.0 | 1 |
| nightscout/ | ad29ca7a4de6 | js-yaml | 4.2.0 | 1 |