Vulnerability-Lookup

RHSA-2026:73654

Vulnerability from csaf_redhat - Published: 2026-09-30 00:57 - Updated: 2026-10-09 07:19

Summary

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Severity

Moderate

Notes

Topic: An update for Red Hat Hardened Images RPMs is now available.

Details: This update includes the following RPMs: grafana12.4: * grafana12.4-12.4.10-0.10.hum1 (aarch64, x86_64) * grafana12.4-12.4.10-0.10.hum1.src (src) Security Fix(es): grafana12.4: * 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-2026-93981

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

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:grafana12.4-0:12.4.10-0.10.hum1@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:grafana12.4-0:12.4.10-0.10.hum1@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:grafana12.4-0:12.4.10-0.10.hum1@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

References

11 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:73654	self
https://access.redhat.com/security/cve/CVE-2026-93981	external
https://access.redhat.com/security/updates/classi…	external
https://images.redhat.com/	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2026-93981	self
https://bugzilla.redhat.com/show_bug.cgi?id=2538284	external
https://www.cve.org/CVERecord?id=CVE-2026-93981	external
https://nvd.nist.gov/vuln/detail/CVE-2026-93981	external
https://github.com/honojs/hono/security/advisorie…	external
https://www.vulncheck.com/advisories/hono-jsx-bef…	external

JSON

To clipboard

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        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
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        }
      ],
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        {
          "category": "description",
          "text": "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.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "hono: hono/jsx: Cross-Site Scripting via Unescaped Strings",
          "title": "Vulnerability summary"
        },
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          "category": "other",
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          "url": "https://www.vulncheck.com/advisories/hono-jsx-before-4.13.7-cross-site-scripting-via-unescaped-strings"
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          "product_ids": [
            "Red Hat Hardened Images:grafana12.4-0:12.4.10-0.10.hum1@aarch64",
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            "Red Hat Hardened Images:grafana12.4-0:12.4.10-0.10.hum1@x86_64"
          ]
        }
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      "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": [
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            "Red Hat Hardened Images:grafana12.4-0:12.4.10-0.10.hum1@src",
            "Red Hat Hardened Images:grafana12.4-0:12.4.10-0.10.hum1@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
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      ],
      "title": "hono: hono/jsx: Cross-Site Scripting via Unescaped Strings"
    }
  ]
}

CVE-2026-93981 (GCVE-0-2026-93981)

Vulnerability from cvelistv5 – Published: 2026-09-19 11:53 – Updated: 2026-09-21 20:47

Title

hono/jsx before 4.13.7 Cross-Site Scripting via Unescaped Strings

Summary

hono before 4.13.7 fails to HTML-escape plain strings rendered by hono/jsx as a child or fallback of Suspense, as a string child of ErrorBoundary alongside an asynchronous sibling, as the single child of a Context.Provider, or as the root value passed to renderToString() or renderToReadableStream() from hono/jsx/dom/server. These paths stringify their input and treat the result as already-escaped markup, so an attacker who controls such a string during server-side rendering can inject arbitrary HTML and execute script under the application's origin.

Severity

2.3 (Low)


                        
                          CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

4.7 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-21 16:22 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6657 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/honojs/hono/security/advisorie…	vendor-advisory
https://www.vulncheck.com/advisories/hono-jsx-bef…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
honojs	hono	Affected: 0 , < 4.13.7 (semver) Unaffected: 4.13.7 (semver) cpe:2.3:a:hono:hono::::::::

Date Public

2026-09-04 00:00

Credits

ggmolly

Show details on NVD website

JSON

To clipboard

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          "url": "https://www.vulncheck.com/advisories/hono-jsx-before-4.13.7-cross-site-scripting-via-unescaped-strings"
        }
      ],
      "title": "hono/jsx before 4.13.7 Cross-Site Scripting via Unescaped Strings",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-93981",
    "datePublished": "2026-09-19T11:53:34.294Z",
    "dateReserved": "2026-09-19T10:55:49.092Z",
    "dateUpdated": "2026-09-21T20:47:06.182Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

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