GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

(CVE-2026-39827)

Vulnerability from cleanstart – Published: 2026-09-17 01:02 – Updated: 2026-09-18 11:59 – Source website
Withdrawn 2026-09-18 VLAI
Summary
Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection
Details

Multiple security vulnerabilities affect the velero-fips package. Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. See references for individual vulnerability details.

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
https://github.com/cleanstart-dev/cleanstart-secu… ADVISORY
https://osv.dev/vulnerability/CVE-2026-39827 WEB
https://osv.dev/vulnerability/CVE-2026-39828 WEB
https://osv.dev/vulnerability/CVE-2026-39829 WEB
https://osv.dev/vulnerability/CVE-2026-39830 WEB
https://osv.dev/vulnerability/CVE-2026-39831 WEB
https://osv.dev/vulnerability/CVE-2026-39832 WEB
https://osv.dev/vulnerability/CVE-2026-39833 WEB
https://osv.dev/vulnerability/CVE-2026-39834 WEB
https://osv.dev/vulnerability/CVE-2026-39835 WEB
https://osv.dev/vulnerability/CVE-2026-42508 WEB
https://osv.dev/vulnerability/CVE-2026-46595 WEB
https://osv.dev/vulnerability/CVE-2026-46597 WEB
https://osv.dev/vulnerability/CVE-2026-46598 WEB
https://osv.dev/vulnerability/CVE-2026-56855 WEB
https://osv.dev/vulnerability/CVE-2026-56864 WEB
https://osv.dev/vulnerability/CVE-2026-56865 WEB
https://osv.dev/vulnerability/CVE-2026-78662 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-39827 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-39828 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-39829 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-39830 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-39831 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-39832 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-39833 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-39834 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-39835 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-42508 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-46595 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-46597 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-46598 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-56855 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-56864 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-56865 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-78662 WEB
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "CleanStart",
        "name": "velero-fips"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.18.2-r7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [],
  "database_specific": {},
  "details": "Multiple security vulnerabilities affect the velero-fips package. Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. See references for individual vulnerability details.",
  "id": "CLEANSTART-2026-UX51431",
  "modified": "2026-09-18T11:59:01.768079Z",
  "published": "2026-09-17T01:02:19.816003Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-UX51431.json"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-39827"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-39828"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-39829"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-39830"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-39831"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-39832"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-39833"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-39834"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-39835"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-42508"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-46595"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-46597"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-46598"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-56855"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-56864"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-56865"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-78662"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39827"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39828"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39829"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39830"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39831"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39832"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39833"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39834"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39835"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42508"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46595"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46597"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46598"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56855"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56864"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56865"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-78662"
    }
  ],
  "related": [],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection",
  "upstream": [
    "CVE-2026-39827",
    "CVE-2026-39828",
    "CVE-2026-39829",
    "CVE-2026-39830",
    "CVE-2026-39831",
    "CVE-2026-39832",
    "CVE-2026-39833",
    "CVE-2026-39834",
    "CVE-2026-39835",
    "CVE-2026-42508",
    "CVE-2026-46595",
    "CVE-2026-46597",
    "CVE-2026-46598",
    "CVE-2026-56855",
    "CVE-2026-56864",
    "CVE-2026-56865",
    "CVE-2026-78662"
  ],
  "withdrawn": "2026-09-18T11:59:01.768079Z"
}



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