Vulnerability-Lookup

CVE-2026-59897 (GCVE-0-2026-59897)

Vulnerability from cvelistv5 – Published: 2026-07-08 16:06 – Updated: 2026-07-09 13:51

Title

Hono: API Gateway v1 adapter can drop a distinct repeated request header value during de-duplication

Summary

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.3.3 before 4.12.27, the AWS API Gateway v1 adapter can drop a distinct repeated request header value because it de-duplicates values using a substring comparison instead of an exact match, so middleware or application logic that depends on the complete X-Forwarded-For chain, rate limiting, audit logging, or proxy-chain validation can receive incomplete data. This issue is fixed in version 4.12.27.

Severity

4.8 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-09 13:51 UTC

CWE

CWE-348 - Use of Less Trusted Source

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7661 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/honojs/hono/security/advisorie…	x_refsource_CONFIRM
https://github.com/honojs/hono/commit/aa921770d09…	x_refsource_MISC
https://github.com/honojs/hono/releases/tag/v4.12.27	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
honojs	hono	Affected: >= 4.3.3, < 4.12.27	guessed

Show details on NVD website

JSON

To clipboard

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CLEANSTART-2026-AS71906 (CVE-2026-59897)

Vulnerability from cleanstart – Published: 2026-09-18 09:41 – Updated: 2026-10-08 18:03 – Source website

Summary

Security fix for CVE-2026-59897 applied in: langfuse 3.208.0-r1, langfuse 3.213.0-r1

Details

CVE-2026-59897 affects multiple packages. This issue is resolved in later releases. See references for individual vulnerability details.

Severity

5.3 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

URL

Type

	https://github.com/cleanstart-dev/cleanstart-secu…	ADVISORY
	https://osv.dev/vulnerability/CVE-2026-59897	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2026-59897	WEB

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "CleanStart",
        "name": "langfuse",
        "purl": "pkg:apk/cleanstart/langfuse"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.208.0-r1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "CleanStart",
        "name": "langfuse",
        "purl": "pkg:apk/cleanstart/langfuse"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [],
  "database_specific": {},
  "details": "CVE-2026-59897 affects multiple packages. This issue is resolved in later releases. See references for individual vulnerability details.",
  "id": "CLEANSTART-2026-AS71906",
  "modified": "2026-10-08T18:03:12Z",
  "published": "2026-09-18T09:41:15.790584Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-AS71906.json"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-59897"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59897"
    }
  ],
  "related": [],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Security fix for CVE-2026-59897 applied in: langfuse 3.208.0-r1, langfuse 3.213.0-r1",
  "upstream": [
    "CVE-2026-59897"
  ]
}

CLEANSTART-2026-FV05780 (CVE-2026-59895)

Vulnerability from cleanstart – Published: 2026-09-01 11:17 – Updated: 2026-09-18 11:59 – Source website

Withdrawn 2026-09-18

Summary

Security fixes in langfuse 3.213.0-r1

Details

Package langfuse version 3.213.0-r1 fixes 24 vulnerabilities: CVE-2026-59895, CVE-2026-59896, CVE-2026-59897, CVE-2026-69207, CVE-2026-71848...

References

URL

Type

https://github.com/langfuse/langfuse

WEB

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "CleanStart",
        "name": "langfuse"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.213.0-r1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.213.0-r1"
      ]
    }
  ],
  "credits": [],
  "database_specific": {},
  "details": "Package langfuse version 3.213.0-r1 fixes 24 vulnerabilities: CVE-2026-59895, CVE-2026-59896, CVE-2026-59897, CVE-2026-69207, CVE-2026-71848...",
  "id": "CLEANSTART-2026-FV05780",
  "modified": "2026-09-18T11:59:01.768079Z",
  "published": "2026-09-01T11:17:16Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/langfuse/langfuse"
    }
  ],
  "related": [],
  "schema_version": "1.7.3",
  "summary": "Security fixes in langfuse 3.213.0-r1",
  "upstream": [
    "CVE-2026-59895",
    "CVE-2026-59896",
    "CVE-2026-59897",
    "CVE-2026-69207",
    "CVE-2026-71848",
    "CVE-2026-71850",
    "CVE-2026-71849",
    "ghsa-5p4m-2wfm-xmqj",
    "CVE-2026-67213",
    "CVE-2026-67214",
    "CVE-2026-64641",
    "CVE-2026-64642",
    "CVE-2026-64645",
    "CVE-2026-64649",
    "CVE-2026-64643",
    "CVE-2026-64644",
    "CVE-2026-64646",
    "CVE-2026-64647",
    "CVE-2026-64648",
    "CVE-2026-13697",
    "CVE-2026-14643",
    "CVE-2026-15157",
    "CVE-2026-16728",
    "CVE-2026-16729"
  ],
  "withdrawn": "2026-09-18T11:59:01.768079Z"
}

CLEANSTART-2026-IK31603 (CVE-2026-59895)

Vulnerability from cleanstart – Published: 2026-09-01 11:17 – Updated: 2026-09-18 11:59 – Source website

Withdrawn 2026-09-18

Summary

Security fixes in langfuse 3.208.0-r1

Details

Package langfuse version 3.208.0-r1 fixes 24 vulnerabilities: CVE-2026-59895, CVE-2026-59896, CVE-2026-59897, CVE-2026-69207, CVE-2026-71848...

References

URL

Type

https://github.com/langfuse/langfuse

WEB

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "CleanStart",
        "name": "langfuse"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.208.0-r1"
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        }
      ],
      "versions": [
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  ],
  "credits": [],
  "database_specific": {},
  "details": "Package langfuse version 3.208.0-r1 fixes 24 vulnerabilities: CVE-2026-59895, CVE-2026-59896, CVE-2026-59897, CVE-2026-69207, CVE-2026-71848...",
  "id": "CLEANSTART-2026-IK31603",
  "modified": "2026-09-18T11:59:01.768079Z",
  "published": "2026-09-01T11:17:16Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/langfuse/langfuse"
    }
  ],
  "related": [],
  "schema_version": "1.7.3",
  "summary": "Security fixes in langfuse 3.208.0-r1",
  "upstream": [
    "CVE-2026-59895",
    "CVE-2026-59896",
    "CVE-2026-59897",
    "CVE-2026-69207",
    "CVE-2026-71848",
    "CVE-2026-71850",
    "CVE-2026-71849",
    "CVE-2026-67213",
    "CVE-2026-67214",
    "CVE-2026-64641",
    "CVE-2026-64642",
    "CVE-2026-64645",
    "CVE-2026-64649",
    "CVE-2026-64643",
    "CVE-2026-64644",
    "CVE-2026-64646",
    "CVE-2026-64647",
    "CVE-2026-64648",
    "CVE-2026-59877",
    "CVE-2026-13697",
    "CVE-2026-14643",
    "CVE-2026-15157",
    "CVE-2026-16728",
    "CVE-2026-16729"
  ],
  "withdrawn": "2026-09-18T11:59:01.768079Z"
}

FKIE_CVE-2026-59897

Vulnerability from fkie_nvd - Published: 2026-07-08 17:17 - Updated: 2026-07-10 19:50

Severity

4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/honojs/hono/commit/aa921770d09bc35970362d5a2630a878f6d982fd	Patch
security-advisories@github.com	https://github.com/honojs/hono/releases/tag/v4.12.27	Release Notes
security-advisories@github.com	https://github.com/honojs/hono/security/advisories/GHSA-xgm2-5f3f-mvvc	Vendor Advisory

Impacted products

	Vendor	Product	Version
	hono	hono	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "hono",
          "vendor": "honojs",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 4.3.3, \u003c 4.12.27"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:hono:hono:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "3B34D77B-60D8-4235-8A45-055C0B65B608",
              "versionEndExcluding": "4.12.27",
              "versionStartIncluding": "4.3.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Hono is a Web application framework that provides support for any JavaScript runtime. From 4.3.3 before 4.12.27, the AWS API Gateway v1 adapter can drop a distinct repeated request header value because it de-duplicates values using a substring comparison instead of an exact match, so middleware or application logic that depends on the complete X-Forwarded-For chain, rate limiting, audit logging, or proxy-chain validation can receive incomplete data. This issue is fixed in version 4.12.27."
    }
  ],
  "id": "CVE-2026-59897",
  "lastModified": "2026-07-10T19:50:16.717",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 2.5,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-59897",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-09T13:51:23.283182Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-08T17:17:27.637",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/honojs/hono/commit/aa921770d09bc35970362d5a2630a878f6d982fd"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/honojs/hono/releases/tag/v4.12.27"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/honojs/hono/security/advisories/GHSA-xgm2-5f3f-mvvc"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-348"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

GHSA-XGM2-5F3F-MVVC

Vulnerability from github – Published: 2026-07-21 18:18 – Updated: 2026-07-21 18:18

Summary

Hono: API Gateway v1 adapter can drop a distinct repeated request header value during de-duplication

Details

Summary

The AWS API Gateway v1 adapter can drop a distinct repeated request header value. When a header appears multiple times, the adapter de-duplicates values using a substring comparison instead of an exact match, so a value that is a substring of another value of the same header is omitted (for example, 203.0.113.1 is dropped when another value is 203.0.113.10).

Details

A repeated request header carries an ordered list of values. Middleware or application logic that depends on the complete list — such as IP restriction that walks the X-Forwarded-For chain, rate limiting, audit logging, or proxy-chain validation — can therefore receive incomplete data that differs from what the client actually sent.

This issue arises on deployments using the AWS API Gateway v1 adapter (the same pattern also affects the VPC Lattice adapter), for requests that contain the same header more than once.

Impact

An attacker can craft repeated header values so that one value is omitted before the application sees the request. Where a security or routing decision relies on the full chain, this can alter that decision.

This affects applications deployed through Hono's AWS API Gateway v1 (or VPC Lattice) adapter that rely on the complete set of repeated request header values.

Severity

4.8 (Medium)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "hono"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.3.3"
            },
            {
              "fixed": "4.12.27"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-59897"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-348"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-07-21T18:18:13Z",
    "nvd_published_at": "2026-07-08T17:17:27Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\n\nThe AWS API Gateway v1 adapter can drop a distinct repeated request header value. When a header appears multiple times, the adapter de-duplicates values using a substring comparison instead of an exact match, so a value that is a substring of another value of the same header is omitted (for example, `203.0.113.1` is dropped when another value is `203.0.113.10`).\n\n### Details\n\nA repeated request header carries an ordered list of values. Middleware or application logic that depends on the complete list \u2014 such as IP restriction that walks the `X-Forwarded-For` chain, rate limiting, audit logging, or proxy-chain validation \u2014 can therefore receive incomplete data that differs from what the client actually sent.\n\nThis issue arises on deployments using the AWS API Gateway v1 adapter (the same pattern also affects the VPC Lattice adapter), for requests that contain the same header more than once.\n\n### Impact\n\nAn attacker can craft repeated header values so that one value is omitted before the application sees the request. Where a security or routing decision relies on the full chain, this can alter that decision.\n\nThis affects applications deployed through Hono\u0027s AWS API Gateway v1 (or VPC Lattice) adapter that rely on the complete set of repeated request header values.",
  "id": "GHSA-xgm2-5f3f-mvvc",
  "modified": "2026-07-21T18:18:13Z",
  "published": "2026-07-21T18:18:13Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/honojs/hono/security/advisories/GHSA-xgm2-5f3f-mvvc"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59897"
    },
    {
      "type": "WEB",
      "url": "https://github.com/honojs/hono/commit/aa921770d09bc35970362d5a2630a878f6d982fd"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/honojs/hono"
    },
    {
      "type": "WEB",
      "url": "https://github.com/honojs/hono/releases/tag/v4.12.27"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Hono: API Gateway v1 adapter can drop a distinct repeated request header value during de-duplication"
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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-2026-59897 (GCVE-0-2026-59897)

CLEANSTART-2026-AS71906 (CVE-2026-59897)

CLEANSTART-2026-FV05780 (CVE-2026-59895)

CLEANSTART-2026-IK31603 (CVE-2026-59895)

FKIE_CVE-2026-59897

GHSA-XGM2-5F3F-MVVC

Summary

Details

Impact

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour