Vulnerability-Lookup

CVE-2025-57783 (GCVE-0-2025-57783)

Vulnerability from cvelistv5 – Published: 2026-01-26 17:45 – Updated: 2026-01-26 20:55

Title

Improper header parsing may lead to request smuggling

Summary

Improper header parsing may lead to request smuggling has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to access restricted resources managed by Hiawatha webserver.

Severity ?

5.3 (Medium)


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

CWE

CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Assigner

certcc

References

URL

Tags

https://gitlab.com/hsleisink/hiawatha/-/blame/mas…

Impacted products

	Vendor	Product	Version
	Hiawatha	Hiawatha Web server	Affected: 11.7 , ≤ 8.5 (custom)

Show details on NVD website

JSON

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              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
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                "timestamp": "2026-01-26T20:54:38.078522Z",
                "version": "2.0.3"
              },
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "product": "Hiawatha Web server",
          "vendor": "Hiawatha",
          "versions": [
            {
              "lessThanOrEqual": "8.5",
              "status": "affected",
              "version": "11.7",
              "versionType": "custom"
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          "value": "Improper header parsing may lead to request smuggling has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to access restricted resources managed by Hiawatha webserver."
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      "problemTypes": [
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      "references": [
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          "url": "https://gitlab.com/hsleisink/hiawatha/-/blame/master/src/http.c?ref_type=heads#L205"
        }
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      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Improper header parsing may lead to request smuggling",
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        "env": "prod",
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      }
    }
  },
  "cveMetadata": {
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    "assignerShortName": "certcc",
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    "datePublished": "2026-01-26T17:45:36.947Z",
    "dateReserved": "2025-08-19T17:36:13.585Z",
    "dateUpdated": "2026-01-26T20:55:04.568Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
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    "vulnrichment": {
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      "dataVersion": "5.2"
    }
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}

GHSA-MRPV-H52H-RXHW

Vulnerability from github – Published: 2026-01-26 18:31 – Updated: 2026-01-26 21:30

Details

Severity ?

5.3 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-57783"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-26T18:16:27Z",
    "severity": "MODERATE"
  },
  "details": "Improper header parsing may lead to request smuggling has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to access restricted resources managed by Hiawatha webserver.",
  "id": "GHSA-mrpv-h52h-rxhw",
  "modified": "2026-01-26T21:30:36Z",
  "published": "2026-01-26T18:31:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-57783"
    },
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      "type": "WEB",
      "url": "https://gitlab.com/hsleisink/hiawatha/-/blame/master/src/http.c?ref_type=heads#L205"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
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      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

FKIE_CVE-2025-57783

Vulnerability from fkie_nvd - Published: 2026-01-26 18:16 - Updated: 2026-01-27 14:59

Severity ?

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

Summary

References

	URL	Tags
	cret@cert.org	https://gitlab.com/hsleisink/hiawatha/-/blame/master/src/http.c?ref_type=heads#L205

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper header parsing may lead to request smuggling has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to access restricted resources managed by Hiawatha webserver."
    }
  ],
  "id": "CVE-2025-57783",
  "lastModified": "2026-01-27T14:59:34.073",
  "metrics": {
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
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  },
  "published": "2026-01-26T18:16:27.350",
  "references": [
    {
      "source": "cret@cert.org",
      "url": "https://gitlab.com/hsleisink/hiawatha/-/blame/master/src/http.c?ref_type=heads#L205"
    }
  ],
  "sourceIdentifier": "cret@cert.org",
  "vulnStatus": "Awaiting Analysis"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CVE-2025-57783 (GCVE-0-2025-57783)

GHSA-MRPV-H52H-RXHW

FKIE_CVE-2025-57783

Tags

Sightings

Nomenclature