alsa-2026:21700
Vulnerability from osv_almalinux
Published
2026-05-28 00:00
Modified
2026-05-28 18:27
Summary
Important: cockpit security update
Details

Cockpit enables users to administer GNU/Linux servers using a web browser. It
offers network configuration, log inspection, diagnostic reports, SELinux
troubleshooting, interactive command-line sessions, and more.

Security Fix(es):

  • cockpit: Cockpit: Arbitrary command execution via crafted links in system logs

UI (CVE-2026-4802)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE page(s)
listed in the References section.

References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "cockpit"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "310.8-1.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "cockpit-bridge"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "310.8-1.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "cockpit-doc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "310.8-1.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "cockpit-system"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "310.8-1.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "cockpit-ws"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "310.8-1.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Cockpit enables users to administer GNU/Linux servers using a web browser. It  \noffers network configuration, log inspection, diagnostic reports, SELinux  \ntroubleshooting, interactive command-line sessions, and more.  \n\nSecurity Fix(es):  \n\n  * cockpit: Cockpit: Arbitrary command execution via crafted links in system logs\n\n\nUI (CVE-2026-4802)  \n\nFor more details about the security issue(s), including the impact, a CVSS  \nscore, acknowledgments, and other related information, refer to the CVE page(s)  \nlisted in the References section.\n",
  "id": "ALSA-2026:21700",
  "modified": "2026-05-28T18:27:23Z",
  "published": "2026-05-28T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:21700"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4802"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2026-21700.html"
    }
  ],
  "related": [
    "CVE-2026-4802"
  ],
  "summary": "Important: cockpit security update"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.