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CVE-2026-107589

Status: DeferredHigh (7.5)—

Insufficient job validation for service accounts in Jacamar CI prior to v0.30.0 allows authenticated CI users to generate arbitrary account names.

CVSS

Exploitation probability (EPSS)

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.

UI:R + acceso autenticado (PR:L) y generación de cuentas arbitrarias sugiere interacción del usuario en cliente; impacto principal es acceso con cuentas falsas (T1078); creación de cuentas de servicio (T1136) es secundario.

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 ManagementMulti-factor AuthenticationApplication Developer GuidanceActive Directory ConfigurationUser TrainingUser Account Management

Affected technologies (1)

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

Jacamar CI — Jacamar CIAI

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-107589",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-107589",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-08T19:14:02.778502Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@gitlab.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.3,
        "exploitabilityScore": 1.7
      }
    ]
  },
  "affected": [
    {
      "source": "cve@gitlab.com",
      "affectedData": [
        {
          "repo": "https://gitlab.com/ecp-ci/jacamar-ci",
          "vendor": "Jacamar CI",
          "product": "Jacamar CI",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "0.30.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-10-08T15:17:45.153",
  "references": [
    {
      "url": "https://ecp-ci.gitlab.io/docs/releasenotes/jacamar/jacamar_0.30.0.html",
      "source": "cve@gitlab.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@gitlab.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-290"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Insufficient job validation for service accounts in Jacamar CI prior to v0.30.0 allows authenticated CI users to generate arbitrary account names."
    }
  ],
  "lastModified": "2026-10-08T21:02:43.860",
  "sourceIdentifier": "cve@gitlab.com"
}