Vulnerability-Lookup

CVE-2025-57785 (GCVE-0-2025-57785)

Vulnerability from cvelistv5 – Published: 2026-01-26 17:46 – Updated: 2026-01-26 20:54

Title

Double free in XSLT in 'show_index'

Summary

A Double Free in XSLT `show_index` has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to corrupt data which may lead to arbitrary code execution.

Severity ?

6.5 (Medium)


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

CWE

CWE-415 Double Free

Assigner

certcc

References

URL

Tags

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

Impacted products

	Vendor	Product	Version
	Hiawatha	Hiawatha Web server	Affected: 11.47 , ≤ 10.8.2 (custom)

Show details on NVD website

JSON

To clipboard

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              "baseScore": 6.5,
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              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
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                "timestamp": "2026-01-26T20:53:37.495097Z",
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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": "10.8.2",
              "status": "affected",
              "version": "11.47",
              "versionType": "custom"
            }
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          "lang": "en",
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        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
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          "url": "https://gitlab.com/hsleisink/hiawatha/-/blame/master/src/xslt.c?ref_type=heads#L675"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Double free in XSLT in \u0027show_index\u0027",
      "x_generator": {
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        "env": "prod",
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    "assignerShortName": "certcc",
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    "datePublished": "2026-01-26T17:46:09.707Z",
    "dateReserved": "2025-08-19T17:36:13.586Z",
    "dateUpdated": "2026-01-26T20:54:04.714Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
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    "vulnrichment": {
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
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}

GHSA-MPWP-WHHG-QQX4

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

Details

A Double Free in XSLT show_index has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to corrupt data which may lead to arbitrary code execution.

Severity ?

6.5 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-57785"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-26T18:16:27Z",
    "severity": "MODERATE"
  },
  "details": "A Double Free in XSLT `show_index` has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to corrupt data which may lead to arbitrary code execution.",
  "id": "GHSA-mpwp-whhg-qqx4",
  "modified": "2026-01-26T21:30:36Z",
  "published": "2026-01-26T18:31:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-57785"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/hsleisink/hiawatha/-/blame/master/src/xslt.c?ref_type=heads#L675"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

FKIE_CVE-2025-57785

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

Severity ?

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

Summary

A Double Free in XSLT `show_index` has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to corrupt data which may lead to arbitrary code execution.

References

	URL	Tags
	cret@cert.org	https://gitlab.com/hsleisink/hiawatha/-/blame/master/src/xslt.c?ref_type=heads#L675

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Double Free in XSLT `show_index` has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to corrupt data which may lead to arbitrary code execution."
    }
  ],
  "id": "CVE-2025-57785",
  "lastModified": "2026-01-27T14:59:34.073",
  "metrics": {
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
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        "exploitabilityScore": 3.9,
        "impactScore": 2.5,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-01-26T18:16:27.570",
  "references": [
    {
      "source": "cret@cert.org",
      "url": "https://gitlab.com/hsleisink/hiawatha/-/blame/master/src/xslt.c?ref_type=heads#L675"
    }
  ],
  "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-2025-57785 (GCVE-0-2025-57785)

GHSA-MPWP-WHHG-QQX4

FKIE_CVE-2025-57785

Tags

Sightings

Nomenclature