RHSA-2026:71906
Vulnerability from csaf_redhat - Published: 2026-09-25 15:11 - Updated: 2026-11-13 13:39A flaw was found in DOMPurify. This cross-site scripting vulnerability occurs during IN_PLACE sanitization, where element-removal hooks fail to neutralize detached subtrees. A remote attacker can exploit this by supplying specially crafted HTML with event handlers. This allows the execution of malicious scripts even after the HTML appears to be sanitized, leading to potential information disclosure or unauthorized actions.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@x86_64 | — |
Vendor Fix
fix
Workaround
|
A flaw was found in fast-uri, a dependency-free URI parser. This vulnerability occurs because the software folds the host to lowercase before percent-decoding it, allowing percent-encoded uppercase characters to bypass this normalization. A remote attacker could exploit this by crafting a malicious URI with a percent-encoded uppercase octet, potentially bypassing host allowlists or denylists in applications that rely on fast-uri's output for case-sensitive host decisions. This could lead to a security bypass, allowing access to restricted resources or services.
A flaw was found in the `go-openapi/swag` library's `jsonutils` component. This vulnerability, caused by uncontrolled recursion during ordered JSON (JavaScript Object Notation) parsing and serialization, allows remote unauthenticated attackers to submit deeply nested JSON documents. This can lead to a stack overflow, terminating the process and causing a Denial of Service (DoS) for services that accept OpenAPI specifications.
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.
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"summary": "https://github.com/go-openapi/swag",
"url": "https://github.com/go-openapi/swag"
},
{
"category": "external",
"summary": "https://github.com/go-openapi/swag/blob/v0.27.0/jsonutils/adapters/stdlib/json/adapter.go#L68",
"url": "https://github.com/go-openapi/swag/blob/v0.27.0/jsonutils/adapters/stdlib/json/adapter.go#L68"
},
{
"category": "external",
"summary": "https://github.com/go-openapi/swag/blob/v0.27.0/jsonutils/adapters/stdlib/json/ordered_map.go#L214",
"url": "https://github.com/go-openapi/swag/blob/v0.27.0/jsonutils/adapters/stdlib/json/ordered_map.go#L214"
},
{
"category": "external",
"summary": "https://github.com/go-openapi/swag/commit/0c24346ced59a25811e8694a915e7131d25ccb0e",
"url": "https://github.com/go-openapi/swag/commit/0c24346ced59a25811e8694a915e7131d25ccb0e"
},
{
"category": "external",
"summary": "https://github.com/go-openapi/swag/security/advisories/GHSA-xh24-9qpg-8w28",
"url": "https://github.com/go-openapi/swag/security/advisories/GHSA-xh24-9qpg-8w28"
},
{
"category": "external",
"summary": "https://www.vulncheck.com/advisories/go-openapi-swag-jsonutils-before-0.27.1-uncontrolled-recursion-in-ordered-json-marshal-and-unmarshal",
"url": "https://www.vulncheck.com/advisories/go-openapi-swag-jsonutils-before-0.27.1-uncontrolled-recursion-in-ordered-json-marshal-and-unmarshal"
}
],
"release_date": "2026-09-17T23:25:10.883000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-25T15:11:50+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:grafana13.2-0:13.2.1-0.7.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:71906"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "github.com/go-openapi/swag: go-openapi/swag: Denial of Service via uncontrolled JSON recursion"
},
{
"cve": "CVE-2026-93981",
"cwe": {
"id": "CWE-79",
"name": "Improper Neutralization of Input During Web Page Generation"
},
"discovery_date": "2026-09-22T17:34:17.989244+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2538284"
}
],
"notes": [
{
"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"
},
{
"category": "other",
"text": "This vulnerability is evaluated as having Moderate severity because successful exploitation requires specific application rendering contexts where unescaped user input is directly evaluated by server-side template boundaries. Within Red Hat supported products, the affected package is included as an embedded dependency within containerized services and developer tooling. Exploitation requires an attacker to induce the application to render untrusted input through these specific server-side rendering constructs, restricting potential exposure to targeted application flows.",
"title": "Statement"
},
{
"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:grafana13.2-0:13.2.1-0.7.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.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": "2026-09-25T15:11:50+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:grafana13.2-0:13.2.1-0.7.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:71906"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
"product_ids": [
"Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@x86_64"
]
}
],
"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:grafana13.2-0:13.2.1-0.7.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.1-0.7.hum1@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "hono: hono/jsx: Cross-Site Scripting via Unescaped Strings"
}
]
}
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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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.