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CVE-2026-75484 HTTP/2 header field values containing CR, LF or NUL are passed to the application unvalidated in Bandit

🗓️ 20 Aug 2026 21:11:27Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

CRLF injection in Bandit HTTP/2 header values unvalidated, exploitable remotely in versions 1.4.0 to 1.12.4.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-75484
20 Aug 202621:11
cve
euvd
EUVD
EUVD-2026-63661
20 Aug 202621:11
euvd
nvd
NVD
CVE-2026-75484
20 Aug 202621:17
nvd
osv
OSV
EEF-CVE-2026-75484 HTTP/2 header field values containing CR, LF or NUL are passed to the application unvalidated in Bandit
20 Aug 202621:11
osv
ptsecurity
Positive Technologies
PT-2026-79147
20 Aug 202600:00
ptsecurity
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:mtrudel:bandit:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Bandit.HTTP2.Stream'"
    ],
    "packageName": "bandit",
    "packageURL": "pkg:hex/bandit",
    "product": "bandit",
    "programFiles": [
      "lib/bandit/http2/stream.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Bandit.HTTP2.Stream':read_headers/1"
      }
    ],
    "repo": "https://github.com/mtrudel/bandit",
    "vendor": "mtrudel",
    "versions": [
      {
        "lessThan": "1.12.5",
        "status": "affected",
        "version": "1.4.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:mtrudel:bandit:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Bandit.HTTP2.Stream'"
    ],
    "packageName": "mtrudel/bandit",
    "packageURL": "pkg:github/mtrudel/bandit",
    "product": "bandit",
    "programFiles": [
      "lib/bandit/http2/stream.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Bandit.HTTP2.Stream':read_headers/1"
      }
    ],
    "repo": "https://github.com/mtrudel/bandit",
    "vendor": "mtrudel",
    "versions": [
      {
        "lessThan": "d38cf046c9a3cae4d0f88001c2ceb4143f86366b",
        "status": "affected",
        "version": "fff06efe3be962b484bd4d3eb339372fda5a231f",
        "versionType": "git"
      }
    ]
  }
]

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