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CVE-2026-105040

Status: DeferredHigh (8.8)—
Severity8.8High · CVSS 3.1
Exploitation probability0.35 %higher than 27% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

The EnergizeLab Eilik NestJS auth service accepts a user-controlled user ID in account update requests (mass assignment). A registered user can set another account's identifier and take over that account.

CVSS

Base score
8.8
Version
3.1
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.35 %
Percentile among all scored CVEs
27
Score date
10/20/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

El vector PR:L (red con privilegios bajos) dicta T1210; la asignación masiva (CWE-639) permite cambiar el identificador de usuario y tomar otra cuenta.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Privileged Account ManagementUser Account ManagementNetwork SegmentationMulti-factor AuthenticationDisable or Remove Feature or ProgramApplication Developer Guidance

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Energizelab — EilikAI

CWEs

References

Show 3 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-105040",
  "cveTags": [
    {
      "tags": [
        "exclusively-hosted-service"
      ],
      "sourceIdentifier": "cve@takeonme.org"
    }
  ],
  "metrics": {
    "ssvcV203": [
      {
        "source": "cve@takeonme.org",
        "ssvcData": {
          "role": "CNA",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3"
        }
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-105040",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-16T19:55:46.514295Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@takeonme.org",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@takeonme.org",
      "affectedData": [
        {
          "vendor": "EnergizeLab",
          "product": "NestJS auth service",
          "versions": [
            {
              "status": "affected",
              "version": "1.8.2"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-10-15T21:17:04.703",
  "references": [
    {
      "url": "https://github.com/xn0tsa/your-secrets-are-safe-with-me",
      "source": "cve@takeonme.org"
    },
    {
      "url": "https://takeonme.org/gcves/GCVE-1337-2026-00000000000000011111111111111111111000000000000000000011111101001111111110000000000000000000011111111111111111111000000000000010100/",
      "source": "cve@takeonme.org"
    },
    {
      "url": "https://www.theverge.com/tech/1010727/eiliko-robot-hack-energize-lab",
      "source": "cve@takeonme.org"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@takeonme.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The EnergizeLab Eilik NestJS auth service accepts a user-controlled user ID in account update requests (mass assignment). A registered user can set another account's identifier and take over that account."
    }
  ],
  "lastModified": "2026-10-16T20:17:18.690",
  "sourceIdentifier": "cve@takeonme.org"
}