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CVE-2026-65636 YAML injection via unescaped newlines in ymlr document comments

🗓️ 31 Jul 2026 13:29:31Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

YAML injection via unescaped newlines in Ymlr comments lets attackers inject content into YAML.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-65636
31 Jul 202613:29
attackerkb
cve
CVE
CVE-2026-65636
31 Jul 202613:29
cve
euvd
EUVD
EUVD-2026-51537
31 Jul 202613:29
euvd
nvd
NVD
CVE-2026-65636
31 Jul 202614:16
nvd
osv
OSV
EEF-CVE-2026-65636 YAML injection via unescaped newlines in ymlr document comments
31 Jul 202613:29
osv
ptsecurity
Positive Technologies
PT-2026-66757
31 Jul 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-65636 YAML injection via unescaped newlines in ymlr document comments
31 Jul 202613:29
vulnrichment
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:ufirstgroup:ymlr:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "Elixir.Ymlr"
    ],
    "packageName": "ymlr",
    "packageURL": "pkg:hex/ymlr",
    "product": "ymlr",
    "programFiles": [
      "lib/ymlr.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Ymlr':document!/2"
      },
      {
        "name": "'Elixir.Ymlr':documents!/2"
      }
    ],
    "repo": "https://github.com/ufirstgroup/ymlr",
    "vendor": "ufirstgroup",
    "versions": [
      {
        "lessThan": "5.1.6",
        "status": "affected",
        "version": "0.0.1",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:ufirstgroup:ymlr:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "Elixir.Ymlr"
    ],
    "packageName": "ufirstgroup/ymlr",
    "packageURL": "pkg:github/ufirstgroup/ymlr",
    "product": "ymlr",
    "programFiles": [
      "lib/ymlr.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Ymlr':document!/2"
      },
      {
        "name": "'Elixir.Ymlr':documents!/2"
      }
    ],
    "repo": "https://github.com/ufirstgroup/ymlr",
    "vendor": "ufirstgroup",
    "versions": [
      {
        "lessThan": "42a0bf8b2af44b0e7c42d0b7044c8588ca5866dc",
        "status": "affected",
        "version": "0c11a86de83825e91c27cecaccb03f36416d8fe0",
        "versionType": "git"
      }
    ]
  }
]

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