Vulnerability-Lookup

CVE-2026-19646 (GCVE-0-2026-19646)

Vulnerability from cvelistv5 – Published: 2026-09-10 22:02 – Updated: 2026-09-11 17:04

Title

Multiple vulnerabilities affect IBM License Key Server Administration and Reporting Tool and IBM LKS Administration Agent

Summary

IBM Common Licensing Agent 9.0, Agent 9.0.0.1, Agent 9.0.0.2, ART 9.0, ART 9.0.0.1, and ART 9.0.0.2 could allow a remote attacker to redirect users to an arbitrary domain due to improper validation of the HTTP Host header.

Severity

9.1 (Critical)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-11 17:02 UTC

CWE

CWE-1149 - SEI CERT Oracle Secure Coding Standard for Java - Guidelines 15. Platform Security (SEC)

Assigner

ibm mitre root

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7286490	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version	CPE status
IBM	Common Licensing	Affected: Agent 9.0 Affected: Agent 9.0.0.1 Affected: Agent 9.0.0.2 Affected: ART 9.0 Affected: ART 9.0.0.1 Affected: ART 9.0.0.2 cpe:2.3:a:ibm:common_licensing:agent:::::::* cpe:2.3:a:ibm:common_licensing:art:::::::*

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-19646

Vulnerability from fkie_nvd - Published: 2026-09-10 22:16 - Updated: 2026-09-11 18:16

Severity

9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Summary

References

	URL	Tags
	psirt@us.ibm.com	https://www.ibm.com/support/pages/node/7286490

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:common_licensing:agent:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:common_licensing:art:*:*:*:*:*:*:*"
          ],
          "product": "Common Licensing",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "Agent 9.0"
            },
            {
              "status": "affected",
              "version": "Agent 9.0.0.1"
            },
            {
              "status": "affected",
              "version": "Agent 9.0.0.2"
            },
            {
              "status": "affected",
              "version": "ART 9.0"
            },
            {
              "status": "affected",
              "version": "ART 9.0.0.1"
            },
            {
              "status": "affected",
              "version": "ART 9.0.0.2"
            }
          ]
        }
      ],
      "source": "psirt@us.ibm.com"
    }
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    }
  ],
  "id": "CVE-2026-19646",
  "lastModified": "2026-09-11T18:16:56.877",
  "metrics": {
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      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
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          "version": "3.1"
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        "impactScore": 5.2,
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        "type": "Secondary"
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GHSA-4QF7-45MF-9G63

Vulnerability from github – Published: 2026-09-11 00:31 – Updated: 2026-09-11 00:31

Details

Severity

9.1 (Critical)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-19646"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-10T22:16:55Z",
    "severity": "CRITICAL"
  },
  "details": "IBM Common Licensing Agent 9.0, Agent 9.0.0.1, Agent 9.0.0.2, ART 9.0, ART 9.0.0.1, and ART 9.0.0.2 could allow a remote attacker to redirect users to an arbitrary domain due to improper validation of the HTTP Host header.",
  "id": "GHSA-4qf7-45mf-9g63",
  "modified": "2026-09-11T00:31:12Z",
  "published": "2026-09-11T00:31:12Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19646"
    },
    {
      "type": "WEB",
      "url": "https://www.ibm.com/support/pages/node/7286490"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.

Action not permitted

CVE-2026-19646 (GCVE-0-2026-19646)

FKIE_CVE-2026-19646

GHSA-4QF7-45MF-9G63

Tags

Sightings

Nomenclature