Vulnerability-Lookup

CVE-2026-57910 (GCVE-0-2026-57910)

Vulnerability from cvelistv5 – Published: 2026-08-25 11:47 – Updated: 2026-09-09 14:57

Title

WatchGuard Agent improper authentication allows unauthenticated remote code execution

Summary

Improper authentication in the WatchGuard Agent allows an unauthenticated attacker with network access to cause the agent to execute arbitrary code with elevated privileges.

Severity

9.3 (Critical)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-25 12:53 UTC

CWE

Assigner

WatchGuard mitre root

References

1 reference

URL	Tags
https://psirt.watchguard.com/CVE-2026-57910	vendor-advisory

Impacted products

3 products

Vendor	Product	Version	CPE status
WatchGuard	WatchGuard Agent	Affected: 0 , < 1.17.01.0000 (semver)	guessed
WatchGuard	WatchGuard Agent	Affected: 0 , < 1.25.13.0000 (semver)	guessed
WatchGuard	WatchGuard Agent	Affected: 0 , < 1.17.21.0000 (semver)	guessed

Date Public

2026-08-25 11:47

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-57910

Vulnerability from fkie_nvd - Published: 2026-08-25 12:16 - Updated: 2026-09-09 15:17

Severity

9.3 (Critical) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Summary

Improper authentication in the WatchGuard Agent allows an unauthenticated attacker with network access to cause the agent to execute arbitrary code with elevated privileges.

References

	URL	Tags
	5d1c2695-1a31-4499-88ae-e847036fd7e3	https://psirt.watchguard.com/CVE-2026-57910

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-57910",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-25T12:53:05.334812Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-25T12:16:24.773",
  "references": [
    {
      "source": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
      "url": "https://psirt.watchguard.com/CVE-2026-57910"
    }
  ],
  "sourceIdentifier": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        },
        {
          "lang": "en",
          "value": "CWE-347"
        },
        {
          "lang": "en",
          "value": "CWE-494"
        }
      ],
      "source": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
      "type": "Secondary"
    }
  ]
}

GHSA-6C89-2V98-5QJ2

Vulnerability from github – Published: 2026-08-25 12:31 – Updated: 2026-08-25 12:31

Details

Improper authentication in the WatchGuard Agent allows an unauthenticated attacker with network access to cause the agent to execute arbitrary code with elevated privileges.

Severity

9.3 (Critical)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-57910"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-306"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-25T12:16:24Z",
    "severity": "CRITICAL"
  },
  "details": "Improper authentication in the WatchGuard Agent allows an unauthenticated attacker with network access to cause the agent to execute arbitrary code with elevated privileges.",
  "id": "GHSA-6c89-2v98-5qj2",
  "modified": "2026-08-25T12:31:24Z",
  "published": "2026-08-25T12:31:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-57910"
    },
    {
      "type": "WEB",
      "url": "https://psirt.watchguard.com/CVE-2026-57910"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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"
    }
  ]
}

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-57910 (GCVE-0-2026-57910)

FKIE_CVE-2026-57910

GHSA-6C89-2V98-5QJ2

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