Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2026-08-28 14:38

Modified

2026-08-28 15:12

Summary

Apache APISIX: attach-consumer-label does not strip client-supplied consumer-label headers

Details

Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX.

This vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly.

This issue affects Apache APISIX: from 3.11.0 through 3.17.0.

Users are recommended to upgrade to version 3.18.0, which fixes the issue.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "apisix",
        "purl": "pkg:bitnami/apisix"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.11.0"
            },
            {
              "fixed": "3.18.0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/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",
          "type": "CVSS_V4"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-63041"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX.\n\nThis vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly.\n\n\nThis issue affects Apache APISIX: from 3.11.0 through 3.17.0.\n\n\n\nUsers are recommended to upgrade to version 3.18.0, which fixes the issue.",
  "id": "BIT-apisix-2026-63041",
  "modified": "2026-08-28T15:12:02.697Z",
  "published": "2026-08-28T14:38:19.937Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/08/26/11"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/yg9tgn699rz7kyglw82m1775do8frjr4"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63041"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Apache APISIX: attach-consumer-label does not strip client-supplied consumer-label headers"
}

CVE-2026-63041 (GCVE-0-2026-63041)

Vulnerability from cvelistv5 – Published: 2026-08-26 11:34 – Updated: 2026-08-26 12:31

Title

Apache APISIX: attach-consumer-label does not strip client-supplied consumer-label headers

Summary

Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX. This vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly. This issue affects Apache APISIX: from 3.11.0 through 3.17.0. Users are recommended to upgrade to version 3.18.0, which fixes the issue.

Severity

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-26 12:31 UTC

CWE

CWE-807 - Reliance on Untrusted Inputs in a Security Decision

Assigner

apache mitre root

References

2 references

URL	Tags
https://lists.apache.org/thread/yg9tgn699rz7kyglw…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache APISIX	Affected: 3.11.0 , ≤ 3.17.0 (semver)

Credits

tonghuaroot

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-08-26T12:12:36.657Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/08/26/11"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-63041",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-26T12:31:23.746045Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-26T12:31:31.308Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Apache APISIX",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "3.17.0",
              "status": "affected",
              "version": "3.11.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "tonghuaroot"
        }
      ],
      "descriptions": [
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          "lang": "en",
          "supportingMedia": [
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              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eReliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX.\u003c/p\u003eThis vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly.\u003cbr\u003e\u003cp\u003eThis issue affects Apache APISIX: from 3.11.0 through 3.17.0.\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 3.18.0, which fixes the issue.\u003c/p\u003e"
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          ],
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        }
      ],
      "metrics": [
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            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "LOW",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
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            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
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          "scenarios": [
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      "providerMetadata": {
        "dateUpdated": "2026-08-26T11:34:59.724Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
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      "references": [
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          "tags": [
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          "url": "https://lists.apache.org/thread/yg9tgn699rz7kyglw82m1775do8frjr4"
        }
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      "source": {
        "discovery": "UNKNOWN"
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      "title": "Apache APISIX: attach-consumer-label does not strip client-supplied consumer-label headers",
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    "datePublished": "2026-08-26T11:34:59.724Z",
    "dateReserved": "2026-07-15T06:02:37.973Z",
    "dateUpdated": "2026-08-26T12:31:31.308Z",
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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.

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Vulnerability from bitnami_vulndb

CVE-2026-63041 (GCVE-0-2026-63041)

Tags

Sightings

Nomenclature