Vulnerability-Lookup

CVE-2026-88819 (GCVE-0-2026-88819)

Vulnerability from cvelistv5 – Published: 2026-09-14 15:32 – Updated: 2026-09-14 19:23

Summary

In Siglet current and past versions the refresh token handler do not enforce proof of possession of the issuer DID.

Severity

6.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-14 19:12 UTC

CWE

CWE-290 - Authentication bypass by spoofing
CWE-345 - Insufficient Verification of Data Authenticity

Assigner

eclipse mitre root

References

1 reference

URL	Tags
https://gitlab.eclipse.org/security/vulnerability…

Impacted products

1 product

Vendor	Product	Version	CPE status
Eclipse Foundation	Eclipse Data Plane Core	Affected: a6f7d4cc0093931287c349e1e546ad2932c08e8d , < 882fe22db42bc67abfd0304c4cdb141b762c35d1 (git) Affected: 0.1.0 , ≤ 0.1.3 (semver)	guessed

Credits

Eclipse Foundation Security Team

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-88819

Vulnerability from fkie_nvd - Published: 2026-09-14 16:17 - Updated: 2026-09-14 16:17

Severity

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

Summary

In Siglet current and past versions the refresh token handler do not enforce proof of possession of the issuer DID.

References

	URL	Tags
	emo@eclipse.org	https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/931

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Eclipse Data Plane Core",
          "vendor": "Eclipse Foundation",
          "versions": [
            {
              "lessThan": "882fe22db42bc67abfd0304c4cdb141b762c35d1",
              "status": "affected",
              "version": "a6f7d4cc0093931287c349e1e546ad2932c08e8d",
              "versionType": "git"
            },
            {
              "lessThanOrEqual": "0.1.3",
              "status": "affected",
              "version": "0.1.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "emo@eclipse.org"
    }
  ],
  "cveTags": [],
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      "lang": "en",
      "value": "In Siglet current and past versions the refresh token handler do not enforce proof of possession of the issuer DID."
    }
  ],
  "id": "CVE-2026-88819",
  "lastModified": "2026-09-14T16:17:22.240",
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          "Recovery": "NOT_DEFINED",
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          "attackComplexity": "HIGH",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 6.3,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
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}

GHSA-2F3M-R9CF-82R7

Vulnerability from github – Published: 2026-09-14 18:31 – Updated: 2026-09-14 18:31

Details

In Siglet current and past versions the refresh token handler do not enforce proof of possession of the issuer DID.

Severity

6.3 (Medium)


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

Show details on source website

JSON

To clipboard

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  "affected": [],
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    "CVE-2026-88819"
  ],
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-14T16:17:22Z",
    "severity": "MODERATE"
  },
  "details": "In Siglet current and past versions the refresh token handler do not enforce proof of possession of the issuer DID.",
  "id": "GHSA-2f3m-r9cf-82r7",
  "modified": "2026-09-14T18:31:21Z",
  "published": "2026-09-14T18:31:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-88819"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/931"
    }
  ],
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      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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.

Action not permitted

CVE-2026-88819 (GCVE-0-2026-88819)

FKIE_CVE-2026-88819

GHSA-2F3M-R9CF-82R7

Tags

Sightings

Nomenclature