Vulnerability-Lookup

CVE-2026-48480 (GCVE-0-2026-48480)

Vulnerability from cvelistv5 – Published: 2026-06-04 17:39 – Updated: 2026-06-04 18:42

Title

netty-incubator-codec-ohttp OHttpVersionChunkDraft's Missing Final-Chunk Enforcement Leads to Undetected Stream Truncation

Summary

The netty incubator codec.bhttp is a java language binary http parser. Prior to version 0.0.22.FInal, the codec-ohttp implementation of draft-ietf-ohai-chunked-ohttp does not verify that a cryptographically-signed final chunk was received before the outer HTTP body terminates. An on-path adversary (the OHTTP relay itself, or any MITM on the relay↔gateway or relay↔client transport) can forward a prefix of a legitimate chunked-OHTTP message—cut at a non-final chunk boundary—and close the outer body cleanly, producing no decryption error and no exception in the receiving application. Version 0.0.22.Final fixes the issue.

Severity

6.6 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-04 18:42 UTC

CWE

CWE-325 - Missing Cryptographic Step

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/netty/netty-incubator-codec-oh…	x_refsource_CONFIRM
https://github.com/netty/netty-incubator-codec-oh…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
netty	netty-incubator-codec-ohttp	Affected: < 0.0.22.Final	guessed

Show details on NVD website

JSON

To clipboard

{
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                "id": "CVE-2026-48480",
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    }
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FKIE_CVE-2026-48480

Vulnerability from fkie_nvd - Published: 2026-06-04 19:16 - Updated: 2026-07-22 20:10

Severity

6.6 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/netty/netty-incubator-codec-ohttp/commit/28f977f293591a4e837bd59ceb441f9f70349915
	security-advisories@github.com	https://github.com/netty/netty-incubator-codec-ohttp/security/advisories/GHSA-r6fj-869h-4f6q

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "netty-incubator-codec-ohttp",
          "vendor": "netty",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.0.22.Final"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The netty incubator codec.bhttp is a java language binary http parser. Prior to version 0.0.22.FInal, the codec-ohttp implementation of draft-ietf-ohai-chunked-ohttp does not verify that a cryptographically-signed final chunk was received before the outer HTTP body terminates. An on-path adversary (the OHTTP relay itself, or any MITM on the relay\u2194gateway or relay\u2194client transport) can forward a prefix of a legitimate chunked-OHTTP message\u2014cut at a non-final chunk boundary\u2014and close the outer body cleanly, producing no decryption error and no exception in the receiving application. Version 0.0.22.Final fixes the issue."
    },
    {
      "lang": "es",
      "value": "El netty incubator codec.bhttp es un analizador HTTP binario del lenguaje Java. Antes de la versi\u00f3n 0.0.22.FInal, la implementaci\u00f3n codec-ohttp de draft-ietf-ohai-chunked-ohttp no verifica que se haya recibido un fragmento final criptogr\u00e1ficamente firmado antes de que termine el cuerpo HTTP externo. Un adversario en la ruta (el propio rel\u00e9 OHTTP, o cualquier MitM en el transporte rel\u00e9?pasarela o rel\u00e9?cliente) puede reenviar un prefijo de un mensaje chunked-OHTTP leg\u00edtimo -cortado en un l\u00edmite de fragmento no final- y cerrar el cuerpo externo limpiamente, sin producir ning\u00fan error de descifrado ni ninguna excepci\u00f3n en la aplicaci\u00f3n receptora. La versi\u00f3n 0.0.22.Final soluciona el problema."
    }
  ],
  "id": "CVE-2026-48480",
  "lastModified": "2026-07-22T20:10:00.127",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 6.6,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "UNREPORTED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
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          "privilegesRequired": "NONE",
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          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
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    },
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    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
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        {
          "lang": "en",
          "value": "CWE-325"
        }
      ],
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    }
  ]
}

GHSA-R6FJ-869H-4F6Q

Vulnerability from github – Published: 2026-06-23 21:59 – Updated: 2026-06-23 21:59

Summary

OHttpVersionChunkDraft: Missing Final-Chunk Enforcement Leads to Undetected Stream Truncation

Details

The codec-ohttp implementation of draft-ietf-ohai-chunked-ohttp does not verify that a cryptographically-signed final chunk was received before the outer HTTP body terminates. An on-path adversary (the OHTTP relay itself, or any MITM on the relay↔gateway or relay↔client transport) can forward a prefix of a legitimate chunked-OHTTP message—cut at a non-final chunk boundary—and close the outer body cleanly, producing no decryption error and no exception in the receiving application.

Severity

6.6 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "io.netty.incubator:netty-incubator-codec-ohttp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.0.22.Final"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-48480"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-325"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-23T21:59:03Z",
    "nvd_published_at": "2026-06-04T19:16:30Z",
    "severity": "MODERATE"
  },
  "details": "The codec-ohttp implementation of draft-ietf-ohai-chunked-ohttp does not verify that a cryptographically-signed final chunk was received before the outer HTTP body terminates. An on-path adversary (the OHTTP relay itself, or any MITM on the relay\u2194gateway or relay\u2194client transport) can forward a prefix of a legitimate chunked-OHTTP message\u2014cut at a non-final chunk boundary\u2014and close the outer body cleanly, producing no decryption error and no exception in the receiving application.",
  "id": "GHSA-r6fj-869h-4f6q",
  "modified": "2026-06-23T21:59:03Z",
  "published": "2026-06-23T21:59:03Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/netty/netty-incubator-codec-ohttp/security/advisories/GHSA-r6fj-869h-4f6q"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48480"
    },
    {
      "type": "WEB",
      "url": "https://github.com/netty/netty-incubator-codec-ohttp/commit/28f977f293591a4e837bd59ceb441f9f70349915"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/netty/netty-incubator-codec-ohttp"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OHttpVersionChunkDraft: Missing Final-Chunk Enforcement Leads to Undetected Stream Truncation"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-48480 (GCVE-0-2026-48480)

FKIE_CVE-2026-48480

GHSA-R6FJ-869H-4F6Q

Tags

Sightings

Nomenclature

Related by attack behaviour