RHSA-2026:8501

Vulnerability from csaf_redhat - Published: 2026-04-16 15:10 - Updated: 2026-10-13 08:47
Summary
Red Hat Security Advisory: Technical preview of the satellite/iop-vulnerability-frontend-rhel9 container image
Severity
Critical
Notes
Topic: A new satellite/iop-vulnerability-frontend-rhel9 container image is now available as a technical preview in the Red Hat container registry.
Details: Red Hat Lightspeed in Satellite analyzes system health and configuration by applying predefined rules to a small set of local data, such as installed packages, running services, and configuration settings.
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-2026-21441

A flaw was found in urllib3. When processing HTTP redirect responses during data streaming, the library automatically reads and decompresses the full response body without enforcing configured size limits. A malicious server can exploit this by serving an excessively compressed response, bypassing decompression bomb safeguards. This issue leads to high memory and processor consumption, resulting in a Denial of Service (DoS) on the client.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat Satellite 6.18:registry.redhat.io/satellite/iop-vulnerability-frontend-rhel9@sha256:31e2c59fa831a8ac74164e8af14db5dd54e95db57393286492b029c60e5e0a1a_amd64 —
Vendor Fix fix
Threats
Impact Important
CVE-2026-25639

A denial of service flaw has been discovered in the Axios npm package. the mergeConfig function in axios crashes with a TypeError when processing configuration objects containing __proto__ as an own property. An attacker can trigger this by providing a malicious configuration object created via JSON.parse(), causing complete denial of service.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-1287 - Improper Validation of Specified Type of Input
Affected products
Fixed 1 product, the same list as for CVE-2026-21441
Threats
Impact Important
CVE-2026-40175

A flaw was found in Axios, a promise-based HTTP client. This vulnerability, known as Prototype Pollution, can be exploited through a specific "Gadget" attack chain. This allows an attacker to escalate a Prototype Pollution vulnerability in a third-party dependency, potentially leading to remote code execution or a full cloud compromise, such as bypassing AWS IMDSv2.

8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
Affected products
Fixed 1 product, the same list as for CVE-2026-21441
Threats
Impact Important
References
URL Category
https://access.redhat.com/errata/RHSA-2026:8501 self
https://access.redhat.com/documentation/en-us/red… external
https://access.redhat.com/security/cve/CVE-2026-21441 external
https://access.redhat.com/security/cve/CVE-2026-25639 external
https://access.redhat.com/security/cve/CVE-2026-40175 external
https://access.redhat.com/security/updates/classi… external
https://catalog.redhat.com/software/containers/search external
https://docs.redhat.com/en/documentation/red_hat_… external
https://docs.redhat.com/en/documentation/red_hat_… external
https://security.access.redhat.com/data/csaf/v2/a… self
https://access.redhat.com/security/cve/CVE-2026-21441 self
https://bugzilla.redhat.com/show_bug.cgi?id=2427726 external
https://www.cve.org/CVERecord?id=CVE-2026-21441 external
https://nvd.nist.gov/vuln/detail/CVE-2026-21441 external
https://github.com/urllib3/urllib3/commit/8864ac4… external
https://github.com/urllib3/urllib3/security/advis… external
https://access.redhat.com/security/cve/CVE-2026-25639 self
https://bugzilla.redhat.com/show_bug.cgi?id=2438237 external
https://www.cve.org/CVERecord?id=CVE-2026-25639 external
https://nvd.nist.gov/vuln/detail/CVE-2026-25639 external
https://github.com/axios/axios/commit/28c721588c7… external
https://github.com/axios/axios/releases/tag/v1.13.5 external
https://github.com/axios/axios/security/advisorie… external
https://access.redhat.com/security/cve/CVE-2026-40175 self
https://bugzilla.redhat.com/show_bug.cgi?id=2457432 external
https://www.cve.org/CVERecord?id=CVE-2026-40175 external
https://nvd.nist.gov/vuln/detail/CVE-2026-40175 external
https://github.com/axios/axios/commit/363185461b9… external
https://github.com/axios/axios/pull/10660 external
https://github.com/axios/axios/releases/tag/v1.15.0 external
https://github.com/axios/axios/security/advisorie… external
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        {
          "category": "description",
          "text": "A flaw was found in Axios, a promise-based HTTP client. This vulnerability, known as Prototype Pollution, can be exploited through a specific \"Gadget\" attack chain. This allows an attacker to escalate a Prototype Pollution vulnerability in a third-party dependency, potentially leading to remote code execution or a full cloud compromise, such as bypassing AWS IMDSv2.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "axios: Axios: Remote Code Execution via Prototype Pollution escalation",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The Axios library, a promise-based HTTP client, is susceptible to an Important prototype pollution vulnerability. This flaw, when combined with specific \"Gadget\" attack chains in third-party dependencies, can lead to remote code execution or full cloud compromise, including bypassing AWS IMDSv2.\n \nWith pollution check patch available in Axios gives an advantage, it remains vulnerable due to HTTP Header Sanitation and Server-Side Request Forgery threat.\n\nRed Hat products that incorporate the vulnerable Axios library are affected.\n\nThe openshift4/ose-monitoring-plugin-rhel9 container image is not vulnerable to this flaw. The affected component is used as a build-time dependency but it\u0027s not shipped in the final product, meaning the flaw is not present thus cannot be exploited in the container deployments.\n\nRegarding openshift4/ose-console for Product stream 4.12 and 4.13, the vulnerable component is present (indirect dependency), but the vulnerability is not exploitable in our case due to the browser runtime, where the required Node.js-specific attack vectors are not available. With this, the impact becomes low.",
          "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 Satellite 6.18:registry.redhat.io/satellite/iop-vulnerability-frontend-rhel9@sha256:31e2c59fa831a8ac74164e8af14db5dd54e95db57393286492b029c60e5e0a1a_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-40175"
        },
        {
          "category": "external",
          "summary": "RHBZ#2457432",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2457432"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-40175",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-40175"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-40175",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40175"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/commit/363185461b90b1b78845dc8a99a1f103d9b122a1",
          "url": "https://github.com/axios/axios/commit/363185461b90b1b78845dc8a99a1f103d9b122a1"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/pull/10660",
          "url": "https://github.com/axios/axios/pull/10660"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/releases/tag/v1.15.0",
          "url": "https://github.com/axios/axios/releases/tag/v1.15.0"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/security/advisories/GHSA-fvcv-3m26-pcqx",
          "url": "https://github.com/axios/axios/security/advisories/GHSA-fvcv-3m26-pcqx"
        }
      ],
      "release_date": "2026-04-10T19:23:52.285000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-04-16T15:10:13+00:00",
          "details": "For Red Hat Lightspeed in Satellite installation see the Red Hat Satellite documentation.",
          "product_ids": [
            "Red Hat Satellite 6.18:registry.redhat.io/satellite/iop-vulnerability-frontend-rhel9@sha256:31e2c59fa831a8ac74164e8af14db5dd54e95db57393286492b029c60e5e0a1a_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:8501"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "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:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat Satellite 6.18:registry.redhat.io/satellite/iop-vulnerability-frontend-rhel9@sha256:31e2c59fa831a8ac74164e8af14db5dd54e95db57393286492b029c60e5e0a1a_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "axios: Axios: Remote Code Execution via Prototype Pollution escalation"
    }
  ]
}



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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.