RHSA-2026:50287
Vulnerability from csaf_redhat - Published: 2026-08-04 16:47 - Updated: 2026-11-07 05:55Summary
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:
prometheus3.13:
* prometheus3.13-3.13.2-0.2.hum1 (aarch64, x86_64)
* prometheus3.13-3.13.2-0.2.hum1.src (src)
Security Fix(es):
prometheus3.13:
* CVE-2026-69153
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.
A flaw was found in PostCSS. A remote attacker can exploit this vulnerability by providing a specially crafted sourceMappingURL when a specific configuration (the 'from' parameter) is not set. This can cause the application to read and expose unintended source-map files, potentially revealing sensitive information about the application's source code.
5.3 (Medium)
Affected products
Fixed
3 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
A flaw was found in the `go-chi chi` RealIP middleware. This vulnerability allows a remote attacker to spoof their IP address by manipulating the `X-Forwarded-For` HTTP header. By exploiting this, an attacker can bypass IP-based access control lists and rate-limiting mechanisms, and forge log entries, potentially leading to unauthorized access or misattribution of actions.
6.5 (Medium)
Affected products
Fixed
3 products, the same list as for
CVE-2026-69153
Threats
Impact
Moderate
A flaw was found in nanoid, a JavaScript library for generating unique string IDs. A remote attacker could exploit an integer overflow vulnerability by providing a specific input to the `nanoid(size)` function. This issue causes the internal random number generator to become predictable, leading to the generation of identical identifiers for session tokens, security tokens (Cross-Site Request Forgery (CSRF) tokens), and API keys. Such predictability could allow an attacker to bypass security measures that rely on unique and random identifiers.
7.4 (High)
Affected products
Fixed
3 products, the same list as for
CVE-2026-69153
Threats
Impact
Important
A flaw was found in PostCSS. An attacker can exploit a path traversal vulnerability by providing specially crafted `sourceMappingURL` values in untrusted CSS files. This allows the attacker to disclose sensitive `sourcesContent` from arbitrary `.map` files accessible on the system, leading to information disclosure.
7.5 (High)
Affected products
Fixed
3 products, the same list as for
CVE-2026-69153
Threats
Impact
Important
References
38 references
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"text": "postcss: PostCSS: Information disclosure via crafted sourceMappingURL",
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"title": "github.com/go-chi/chi/middleware: go-chi chi: IP spoofing via X-Forwarded-For header allows bypass of access controls"
},
{
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"ids": [
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"title": "Vulnerability description"
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"text": "nanoid: nanoid: Predictable ID generation due to integer overflow",
"title": "Vulnerability summary"
},
{
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"text": "Important: This flaw in the nanoid JavaScript library allows a remote attacker to cause predictable ID generation by exploiting an integer overflow in the `nanoid(size)` function. This can lead to the compromise of session tokens, CSRF tokens, and API keys, bypassing security mechanisms. The attack requires specific conditions, contributing to its Important severity rather than Critical.",
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"fixed": [
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@aarch64",
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@src",
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-73086"
},
{
"category": "external",
"summary": "RHBZ#2514175",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514175"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-73086",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-73086"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73086",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73086"
},
{
"category": "external",
"summary": "https://github.com/ai/nanoid/commit/7087969281cab8ba8ae3babf1894e819068b3bb4",
"url": "https://github.com/ai/nanoid/commit/7087969281cab8ba8ae3babf1894e819068b3bb4"
},
{
"category": "external",
"summary": "https://github.com/ai/nanoid/commit/821dfed7b5db7f88e92f56c60eef32c8135077c3",
"url": "https://github.com/ai/nanoid/commit/821dfed7b5db7f88e92f56c60eef32c8135077c3"
},
{
"category": "external",
"summary": "https://github.com/ai/nanoid/commit/b0036ed60dc9facd7f1191a50dfb3076500202ac",
"url": "https://github.com/ai/nanoid/commit/b0036ed60dc9facd7f1191a50dfb3076500202ac"
},
{
"category": "external",
"summary": "https://github.com/ai/nanoid/releases/tag/3.3.12",
"url": "https://github.com/ai/nanoid/releases/tag/3.3.12"
},
{
"category": "external",
"summary": "https://github.com/ai/nanoid/releases/tag/5.1.11",
"url": "https://github.com/ai/nanoid/releases/tag/5.1.11"
},
{
"category": "external",
"summary": "https://github.com/ai/nanoid/security/advisories/GHSA-xwg4-73v4-xw9w",
"url": "https://github.com/ai/nanoid/security/advisories/GHSA-xwg4-73v4-xw9w"
}
],
"release_date": "2026-08-11T16:46:23.024000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-08-04T16:47:41+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:prometheus3.13-0:3.13.2-0.2.hum1@aarch64",
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@src",
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:50287"
},
{
"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:prometheus3.13-0:3.13.2-0.2.hum1@aarch64",
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@src",
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@aarch64",
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@src",
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "nanoid: nanoid: Predictable ID generation due to integer overflow"
},
{
"cve": "CVE-2026-73646",
"cwe": {
"id": "CWE-22",
"name": "Improper Limitation of a Pathname to a Restricted Directory"
},
"discovery_date": "2026-08-17T15:41:38.584036+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2517456"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in PostCSS. An attacker can exploit a path traversal vulnerability by providing specially crafted `sourceMappingURL` values in untrusted CSS files. This allows the attacker to disclose sensitive `sourcesContent` from arbitrary `.map` files accessible on the system, leading to information disclosure.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "postcss: PostCSS: Information disclosure via path traversal in source map auto-loading",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Important severity is assigned to this flaw because an unauthenticated remote attacker could read arbitrary source map files from the host filesystem without privileges if an application processes untrusted stylesheets. Within Red Hat products, PostCSS is bundled primarily inside web console frontends, build-time pipelines, and developer environments. Practical exposure is limited because most deployments only parse internal, developer-authored styles rather than accepting arbitrary user-supplied style sheets. Furthermore, environments that do not process untrusted external styling or that run purely as static client assets are not exposed to remote data disclosure.",
"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:prometheus3.13-0:3.13.2-0.2.hum1@aarch64",
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@src",
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-73646"
},
{
"category": "external",
"summary": "RHBZ#2517456",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2517456"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-73646",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-73646"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73646",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73646"
},
{
"category": "external",
"summary": "https://github.com/postcss/postcss/commit/95663d3eb7ba26f4854dd19d3b4f4425760cf56c",
"url": "https://github.com/postcss/postcss/commit/95663d3eb7ba26f4854dd19d3b4f4425760cf56c"
},
{
"category": "external",
"summary": "https://github.com/postcss/postcss/releases/tag/8.5.18",
"url": "https://github.com/postcss/postcss/releases/tag/8.5.18"
},
{
"category": "external",
"summary": "https://github.com/postcss/postcss/security/advisories/GHSA-r28c-9q8g-f849",
"url": "https://github.com/postcss/postcss/security/advisories/GHSA-r28c-9q8g-f849"
}
],
"release_date": "2026-08-17T15:35:13.518000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-08-04T16:47:41+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:prometheus3.13-0:3.13.2-0.2.hum1@aarch64",
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@src",
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:50287"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@aarch64",
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@src",
"Red Hat Hardened Images:prometheus3.13-0:3.13.2-0.2.hum1@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "postcss: PostCSS: Information disclosure via path traversal in source map auto-loading"
}
]
}
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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.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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 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.
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.
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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.