Vulnerability-Lookup

CVE-2026-21832 (GCVE-0-2026-21832)

Vulnerability from cvelistv5 – Published: 2026-08-13 13:24 – Updated: 2026-08-13 15:51

Title

HCL AION is affected by multiple security vulnerabilities.

Summary

HCL AION is affected by a vulnerability where indirect prompt injection can lead to HTML injection in rendered output. Injected markup may be displayed to users, potentially resulting in unintended behavior or security impact under certain conditions.

Severity

4.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-13 15:51 UTC

CWE

CWE-1427 - Improper Neutralization of Input Used for LLM Prompting

Assigner

HCL

References

1 reference

URL	Tags
https://support.hcl-software.com/csm?id=kb_articl…

Impacted products

1 product

Vendor	Product	Version	CPE status
HCL Software	AION	Affected: v2.5.0	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-21832

Vulnerability from fkie_nvd - Published: 2026-08-13 14:16 - Updated: 2026-08-13 16:18

Severity

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

Summary

References

	URL	Tags
	psirt@hcl.com	https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0133084

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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          "vendor": "HCL Software",
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              "status": "affected",
              "version": "v2.5.0"
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          ]
        }
      ],
      "source": "psirt@hcl.com"
    }
  ],
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  "id": "CVE-2026-21832",
  "lastModified": "2026-08-13T16:18:00.043",
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GHSA-6H97-XH8X-92Q9

Vulnerability from github – Published: 2026-08-13 15:34 – Updated: 2026-08-13 15:34

Details

Severity

4.3 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-21832"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-13T14:16:55Z",
    "severity": "MODERATE"
  },
  "details": "HCL AION is affected by a vulnerability where indirect prompt injection can lead to HTML injection in rendered output. Injected markup may be displayed to users, potentially resulting in unintended behavior or security impact under certain conditions.",
  "id": "GHSA-6h97-xh8x-92q9",
  "modified": "2026-08-13T15:34:38Z",
  "published": "2026-08-13T15:34:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21832"
    },
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      "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-2026-21832 (GCVE-0-2026-21832)

FKIE_CVE-2026-21832

GHSA-6H97-XH8X-92Q9

Tags

Sightings

Nomenclature