RHSA-2026:26232
Vulnerability from csaf_redhat - Published: 2026-06-16 09:28 - Updated: 2026-06-18 10:33A flaw was found in Immutable.js, a library for persistent immutable data structures. This vulnerability, known as Prototype Pollution, allows an attacker with low privileges to inject unwanted properties into core JavaScript object prototypes without user interaction. By manipulating specific APIs such as mergeDeep(), mergeDeepWith(), merge(), Map.toJS(), and Map.toObject(), a remote attacker could potentially execute arbitrary code or cause a denial of service (DoS).
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Satellite 6.18:registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64 | — |
Vendor Fix
fix
|
A flaw was found in Axios, an HTTP client library. This vulnerability allows an attacker to exploit a prototype pollution issue if another part of the application has already polluted the Object.prototype. By doing so, the attacker can intercept and modify JSON responses or take control of the HTTP communication. This could lead to unauthorized access to sensitive information like user credentials and request details.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Satellite 6.18:registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64 | — |
Vendor Fix
fix
|
A flaw was found in Axios, a software library for making network requests. A remote attacker can exploit a prototype pollution vulnerability to inject arbitrary HTTP headers into outgoing requests. This occurs when the application's core object definitions are manipulated, causing Axios to misinterpret data and include attacker-controlled headers in network communications. This could lead to unauthorized actions or data manipulation.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Satellite 6.18:registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64 | — |
Vendor Fix
fix
Workaround
|
A flaw was found in Axios, a promise-based HTTP client. This vulnerability, a Prototype Pollution "Gadget" attack, allows an attacker to manipulate the `Object.prototype.validateStatus` property. By polluting this property, all HTTP error responses (such as 401, 403, or 500) are silently treated as successful responses. This can lead to a complete bypass of application-level authentication and error handling, potentially granting unauthorized access.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Satellite 6.18:registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64 | — |
Vendor Fix
fix
|
A flaw was found in Axios, a promise-based HTTP client. An attacker who can control the destination address of an Axios request can exploit this vulnerability. By using specific internal network addresses (within the 127.0.0.0/8 range, excluding 127.0.0.1), the attacker can completely bypass the NO_PROXY protection, potentially leading to unauthorized access or information disclosure within the network. This issue is an incomplete fix for a previous vulnerability.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Satellite 6.18:registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64 | — |
Vendor Fix
fix
|
A flaw was found in Axios, a widely used HTTP client. This vulnerability, known as a Prototype Pollution "Gadget" attack, allows a remote attacker to subtly alter JSON API responses. By manipulating a specific function, an attacker can selectively modify data within these responses. This could lead to significant security breaches, including unauthorized privilege escalation, fraudulent balance manipulation, or bypassing critical authorization checks.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Satellite 6.18:registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64 | — |
Vendor Fix
fix
Workaround
|
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42035"
},
{
"category": "external",
"summary": "https://github.com/axios/axios/security/advisories/GHSA-6chq-wfr3-2hj9",
"url": "https://github.com/axios/axios/security/advisories/GHSA-6chq-wfr3-2hj9"
}
],
"release_date": "2026-04-24T17:38:07.752000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-16T09:28:29+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-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:26232"
},
{
"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 Satellite 6.18:registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64"
]
}
],
"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 Satellite 6.18:registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "axios: Axios: Arbitrary HTTP header injection via prototype pollution"
},
{
"cve": "CVE-2026-42041",
"cwe": {
"id": "CWE-915",
"name": "Improperly Controlled Modification of Dynamically-Determined Object Attributes"
},
"discovery_date": "2026-04-24T19:01:41.034289+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2461629"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Axios, a promise-based HTTP client. This vulnerability, a Prototype Pollution \"Gadget\" attack, allows an attacker to manipulate the `Object.prototype.validateStatus` property. By polluting this property, all HTTP error responses (such as 401, 403, or 500) are silently treated as successful responses. This can lead to a complete bypass of application-level authentication and error handling, potentially granting unauthorized access.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "axios: Axios: Authentication bypass due to prototype pollution of HTTP error handling",
"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 Satellite 6.18:registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-42041"
},
{
"category": "external",
"summary": "RHBZ#2461629",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461629"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-42041",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-42041"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-42041",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42041"
},
{
"category": "external",
"summary": "https://github.com/axios/axios/security/advisories/GHSA-w9j2-pvgh-6h63",
"url": "https://github.com/axios/axios/security/advisories/GHSA-w9j2-pvgh-6h63"
}
],
"release_date": "2026-04-24T17:55:30.036000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-16T09:28:29+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-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:26232"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N",
"version": "3.1"
},
"products": [
"Red Hat Satellite 6.18:registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "axios: Axios: Authentication bypass due to prototype pollution of HTTP error handling"
},
{
"cve": "CVE-2026-42043",
"cwe": {
"id": "CWE-918",
"name": "Server-Side Request Forgery (SSRF)"
},
"discovery_date": "2026-04-24T19:01:22.552379+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2461626"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Axios, a promise-based HTTP client. An attacker who can control the destination address of an Axios request can exploit this vulnerability. By using specific internal network addresses (within the 127.0.0.0/8 range, excluding 127.0.0.1), the attacker can completely bypass the NO_PROXY protection, potentially leading to unauthorized access or information disclosure within the network. This issue is an incomplete fix for a previous vulnerability.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "axios: Axios: NO_PROXY bypass via crafted URL",
"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 Satellite 6.18:registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-42043"
},
{
"category": "external",
"summary": "RHBZ#2461626",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461626"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-42043",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-42043"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-42043",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42043"
},
{
"category": "external",
"summary": "https://github.com/axios/axios/security/advisories/GHSA-pmwg-cvhr-8vh7",
"url": "https://github.com/axios/axios/security/advisories/GHSA-pmwg-cvhr-8vh7"
}
],
"release_date": "2026-04-24T17:54:42.668000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-16T09:28:29+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-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:26232"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"products": [
"Red Hat Satellite 6.18:registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "axios: Axios: NO_PROXY bypass via crafted URL"
},
{
"cve": "CVE-2026-42044",
"cwe": {
"id": "CWE-915",
"name": "Improperly Controlled Modification of Dynamically-Determined Object Attributes"
},
"discovery_date": "2026-04-24T19:01:13.418725+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2461624"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Axios, a widely used HTTP client. This vulnerability, known as a Prototype Pollution \"Gadget\" attack, allows a remote attacker to subtly alter JSON API responses. By manipulating a specific function, an attacker can selectively modify data within these responses. This could lead to significant security breaches, including unauthorized privilege escalation, fraudulent balance manipulation, or bypassing critical authorization checks.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "axios: Axios: Invisible JSON Response Tampering via Prototype Pollution Gadget",
"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 Satellite 6.18:registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-42044"
},
{
"category": "external",
"summary": "RHBZ#2461624",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461624"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-42044",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-42044"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-42044",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42044"
},
{
"category": "external",
"summary": "https://github.com/axios/axios/security/advisories/GHSA-3w6x-2g7m-8v23",
"url": "https://github.com/axios/axios/security/advisories/GHSA-3w6x-2g7m-8v23"
}
],
"release_date": "2026-04-24T17:49:49.517000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-16T09:28:29+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-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:26232"
},
{
"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 Satellite 6.18:registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64"
]
}
],
"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 Satellite 6.18:registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9@sha256:4850a13c781d0c768e0a7aea8aa8768e298d91405bddaf0f1b9e19c8665a6ae0_amd64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "axios: Axios: Invisible JSON Response Tampering via Prototype Pollution Gadget"
}
]
}
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.