RHSA-2026:73655

Vulnerability from csaf_redhat - Published: 2026-09-30 00:59 - Updated: 2026-09-30 16:41
Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
Severity
Important
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs: grafana13.1: * grafana13.1-13.1.6-0.5.hum1 (aarch64, x86_64) * grafana13.1-13.1.6-0.5.hum1.src (src) Security Fix(es): grafana13.1: * CVE-2026-93981
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
CVE-2026-76154

A flaw was found in Grafana. A user with an Editor role can exploit a stored cross-site scripting (XSS) vulnerability in the Geomap panel. This occurs because the Geomap panel loads map styles from a URL and inserts the style's attribution field into the page without proper sanitization. By controlling the map style, an attacker can execute arbitrary JavaScript in the browser of anyone viewing the dashboard. If an Organization Administrator views the dashboard, the attacker's script can elevate their own account to Organization Administrator, leading to privilege escalation and unauthorized access to organizational dashboards, data source configurations, and credentials.

7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat Hardened Images:grafana13.1-0:13.1.6-0.5.hum1@aarch64 —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat Hardened Images:grafana13.1-0:13.1.6-0.5.hum1@src —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat Hardened Images:grafana13.1-0:13.1.6-0.5.hum1@x86_64 —
Vendor Fix fix
Workaround
Threats
Impact Important
CVE-2026-81842

A flaw was found in Grafana. The application fails to verify creation permissions on destination folders during panel update operations. An authenticated user with edit permissions in one folder can exploit this vulnerability through the library elements API to move a library panel into a folder where they only possess view permissions. This allows an unauthorized user to bypass access controls and place content into restricted folders.

4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE-639 - Authorization Bypass Through User-Controlled Key
Affected products
Fixed 3 products, the same list as for CVE-2026-76154
Threats
Impact Moderate
CVE-2026-93981

A flaw was found in hono/jsx. This vulnerability occurs because the software fails to properly escape plain strings when they are rendered in certain contexts during server-side rendering. A remote attacker can exploit this by providing specially crafted input, leading to Cross-Site Scripting (XSS). This allows the attacker to inject malicious code into web pages viewed by other users, potentially compromising user sessions or defacing the website.

4.7 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected products
Fixed 3 products, the same list as for CVE-2026-76154
Threats
Impact Moderate
References
To clipboard 

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        {
          "category": "summary",
          "text": "hono: hono/jsx: Cross-Site Scripting via Unescaped Strings",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Hardened Images:grafana13.1-0:13.1.6-0.5.hum1@aarch64",
          "Red Hat Hardened Images:grafana13.1-0:13.1.6-0.5.hum1@src",
          "Red Hat Hardened Images:grafana13.1-0:13.1.6-0.5.hum1@x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93981"
        },
        {
          "category": "external",
          "summary": "RHBZ#2538284",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2538284"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-93981",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-93981"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-93981",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93981"
        },
        {
          "category": "external",
          "summary": "https://github.com/honojs/hono/security/advisories/GHSA-hxh3-vqpv-xpqv",
          "url": "https://github.com/honojs/hono/security/advisories/GHSA-hxh3-vqpv-xpqv"
        },
        {
          "category": "external",
          "summary": "https://www.vulncheck.com/advisories/hono-jsx-before-4.13.7-cross-site-scripting-via-unescaped-strings",
          "url": "https://www.vulncheck.com/advisories/hono-jsx-before-4.13.7-cross-site-scripting-via-unescaped-strings"
        }
      ],
      "release_date": "2026-09-19T11:53:34.294000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-30T00:59:01+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
          "product_ids": [
            "Red Hat Hardened Images:grafana13.1-0:13.1.6-0.5.hum1@aarch64",
            "Red Hat Hardened Images:grafana13.1-0:13.1.6-0.5.hum1@src",
            "Red Hat Hardened Images:grafana13.1-0:13.1.6-0.5.hum1@x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:73655"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat Hardened Images:grafana13.1-0:13.1.6-0.5.hum1@aarch64",
            "Red Hat Hardened Images:grafana13.1-0:13.1.6-0.5.hum1@src",
            "Red Hat Hardened Images:grafana13.1-0:13.1.6-0.5.hum1@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "hono: hono/jsx: Cross-Site Scripting via Unescaped Strings"
    }
  ]
}



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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

Author Source Type Date Other

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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.