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Prometheus is an open-source monitoring system and time series database

Type: advisorySources: OSV

CVE-2026-42154 affects multiple packages. Prometheus is an open-source monitoring system and time series database. See references for individual vulnerability details.

Products
cortex, loki
Affected versions
Not specified
Fixed versions
1.21.1-r12, 3.6.11-r0
CVEs
CVE-2026-42154
Confirmed fixed CVEs
Not specified
Updated in this feed
28 Oct 2026, 13:12 UTC · Revision 1

Source evidence

Prometheus is an open-source monitoring system and time series database

core-osv · Original source

Published 10 Oct 2026, 00:36 UTC

CVE-2026-42154 affects multiple packages. Prometheus is an open-source monitoring system and time series database. See references for individual vulnerability details.

osv:CLEANSTART-2026-XX38333

cortex

Fixed versions: 1.21.1-r12

loki

Fixed versions: 3.6.11-r0

loki

Fixed versions: 3.6.11-r0

Complete source record
{
  "id": "a743380040702b35031fcc5f6ef75baf78a91370860e67eb761ffe31dc9af9fb",
  "url": "https://osv.dev/vulnerability/CLEANSTART-2026-XX38333",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Prometheus is an open-source monitoring system and time series database",
    "summary": "CVE-2026-42154 affects multiple packages. Prometheus is an open-source monitoring system and time series database. See references for individual vulnerability details.",
    "evidence": "osv:CLEANSTART-2026-XX38333",
    "products": [
      {
        "name": {
          "value": "cortex",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.21.1-r12",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "loki",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.6.11-r0",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "loki",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.6.11-r0",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CLEANSTART-2026-XX38333",
      "aliases": [
        "CLEANSTART-2026-XX38333"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.21.1-r12"
                }
              ]
            }
          ],
          "package": {
            "name": "cortex",
            "purl": "pkg:apk/cleanstart/cortex",
            "ecosystem": "CleanStart"
          },
          "database_specific": {
            "source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-XX38333.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.6.11-r0"
                }
              ]
            }
          ],
          "package": {
            "name": "loki",
            "purl": "pkg:apk/cleanstart/loki?arch=x86_64",
            "ecosystem": "CleanStart"
          },
          "database_specific": {
            "source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-XX38333.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.6.11-r0"
                }
              ]
            }
          ],
          "package": {
            "name": "loki",
            "purl": "pkg:apk/cleanstart/loki?arch=aarch64",
            "ecosystem": "CleanStart"
          },
          "database_specific": {
            "source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-XX38333.json"
          }
        }
      ],
      "modified": "2026-10-10T01:00:21.142684260Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-42154"
      ],
      "references": [
        "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-XX38333.json",
        "https://osv.dev/vulnerability/CVE-2026-42154",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-42154"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2026-42154",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 125035,
  "published_at": "2026-10-10T00:36:46.457+00:00"
}