Vulnerability-Lookup

RHSA-2026:54518

Vulnerability from csaf_redhat - Published: 2026-08-13 10:01 - Updated: 2026-08-15 00:50

Summary

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: grafana12.4: * grafana12.4-12.4.8-0.1.1.hum1 (aarch64, x86_64) * grafana12.4-12.4.8-0.1.1.hum1.src (src) Security Fix(es): grafana12.4: * CVE-2026-73086 * CVE-2026-73088 * CVE-2026-73089

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-2026-73086

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)


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

CWE-1241 - Use of Predictable Algorithm in Random Number Generator

Affected products

Fixed 3 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:grafana12-4-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:grafana12-4-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:grafana12-4-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

CVE-2026-73088

A flaw was found in Browserslist, a tool for sharing browser and Node.js versions. An attacker could provide specially crafted statistics data, which the tool processes without proper validation. This improper handling of untrusted data can lead to prototype pollution, potentially causing the application to crash and resulting in a 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-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes

Affected products

Fixed 3 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:grafana12-4-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:grafana12-4-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:grafana12-4-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

CVE-2026-73089

A flaw was found in Browserslist, a configuration tool for front-end development. An attacker can exploit this vulnerability by influencing repeated query values, leading to unbounded memory growth. This issue can cause the application to consume excessive memory, resulting in an out-of-memory process crash and a Denial of Service (DoS) for affected systems.

7.5 (High)


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

CWE-770 - Allocation of Resources Without Limits or Throttling

Affected products

Fixed 3 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:grafana12-4-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:grafana12-4-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:grafana12-4-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

References

30 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:54518	self
https://access.redhat.com/security/cve/CVE-2026-73086	external
https://access.redhat.com/security/cve/CVE-2026-73088	external
https://access.redhat.com/security/cve/CVE-2026-73089	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-2026-73086	self
https://bugzilla.redhat.com/show_bug.cgi?id=2514175	external
https://www.cve.org/CVERecord?id=CVE-2026-73086	external
https://nvd.nist.gov/vuln/detail/CVE-2026-73086	external
https://github.com/ai/nanoid/commit/7087969281cab…	external
https://github.com/ai/nanoid/commit/821dfed7b5db7…	external
https://github.com/ai/nanoid/commit/b0036ed60dc9f…	external
https://github.com/ai/nanoid/releases/tag/3.3.12	external
https://github.com/ai/nanoid/releases/tag/5.1.11	external
https://github.com/ai/nanoid/security/advisories/…	external
https://access.redhat.com/security/cve/CVE-2026-73088	self
https://bugzilla.redhat.com/show_bug.cgi?id=2514177	external
https://www.cve.org/CVERecord?id=CVE-2026-73088	external
https://nvd.nist.gov/vuln/detail/CVE-2026-73088	external
https://github.com/browserslist/browserslist/comm…	external
https://github.com/browserslist/browserslist/rele…	external
https://github.com/browserslist/browserslist/secu…	external
https://access.redhat.com/security/cve/CVE-2026-73089	self
https://bugzilla.redhat.com/show_bug.cgi?id=2514195	external
https://www.cve.org/CVERecord?id=CVE-2026-73089	external
https://nvd.nist.gov/vuln/detail/CVE-2026-73089	external
https://github.com/browserslist/browserslist/comm…	external
https://github.com/browserslist/browserslist/secu…	external

JSON

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            "baseScore": 7.4,
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            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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          ]
        }
      ],
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        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "nanoid: nanoid: Predictable ID generation due to integer overflow"
    },
    {
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      "cwe": {
        "id": "CWE-915",
        "name": "Improperly Controlled Modification of Dynamically-Determined Object Attributes"
      },
      "discovery_date": "2026-08-11T17:11:53.228719+00:00",
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        {
          "category": "vendor_fix",
          "date": "2026-08-13T10:01:03+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:grafana12-4-main@aarch64",
            "Red Hat Hardened Images:grafana12-4-main@src",
            "Red Hat Hardened Images:grafana12-4-main@x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:54518"
        },
        {
          "category": "workaround",
          "details": "To reduce exposure, ensure that the `browserslist` tool processes only trusted `browserslist-stats.json`, `opts.stats`, and CLI `--stats` data. Avoid using the tool with untrusted input sources in development or build environments. If `browserslist` is integrated into automated pipelines, validate all input data originates from trusted sources.",
          "product_ids": [
            "Red Hat Hardened Images:grafana12-4-main@aarch64",
            "Red Hat Hardened Images:grafana12-4-main@src",
            "Red Hat Hardened Images:grafana12-4-main@x86_64"
          ]
        }
      ],
      "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:grafana12-4-main@aarch64",
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            "Red Hat Hardened Images:grafana12-4-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "browserslist: Browserslist: Prototype pollution leading to denial of service"
    },
    {
      "cve": "CVE-2026-73089",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-08-11T17:12:48.012036+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2514195"
        }
      ],
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        {
          "category": "description",
          "text": "A flaw was found in Browserslist, a configuration tool for front-end development. An attacker can exploit this vulnerability by influencing repeated query values, leading to unbounded memory growth. This issue can cause the application to consume excessive memory, resulting in an out-of-memory process crash and a Denial of Service (DoS) for affected systems.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "browserslist: Browserslist: Denial of Service via unbounded memory growth from distinct query results",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service vulnerability in the `browserslist` library, which is used across several Red Hat products and services. The flaw allows an attacker to trigger unbounded memory growth by influencing query values, potentially leading to an out-of-memory crash and service unavailability. This is considered Important due to the potential for remote exploitation and significant impact on service stability.",
          "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:grafana12-4-main@aarch64",
          "Red Hat Hardened Images:grafana12-4-main@src",
          "Red Hat Hardened Images:grafana12-4-main@x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73089"
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          "category": "external",
          "summary": "RHBZ#2514195",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514195"
        },
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73089",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73089"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73089",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73089"
        },
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          "category": "external",
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          "url": "https://github.com/browserslist/browserslist/releases/tag/4.28.7"
        },
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          "category": "external",
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          "url": "https://github.com/browserslist/browserslist/security/advisories/GHSA-c83g-rgw3-j3cx"
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      "release_date": "2026-08-11T17:05:38.760000+00:00",
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        {
          "category": "vendor_fix",
          "date": "2026-08-13T10:01:03+00:00",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:54518"
        },
        {
          "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:grafana12-4-main@aarch64",
            "Red Hat Hardened Images:grafana12-4-main@src",
            "Red Hat Hardened Images:grafana12-4-main@x86_64"
          ]
        }
      ],
      "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:grafana12-4-main@aarch64",
            "Red Hat Hardened Images:grafana12-4-main@src",
            "Red Hat Hardened Images:grafana12-4-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "browserslist: Browserslist: Denial of Service via unbounded memory growth from distinct query results"
    }
  ]
}

CVE-2026-73086 (GCVE-0-2026-73086)

Vulnerability from cvelistv5 – Published: 2026-08-11 16:46 – Updated: 2026-08-12 14:29

Title

nanoid: Integer Overflow or Wraparound

Summary

nanoid is a secure, URL-friendly, unique string ID generator for JavaScript. Prior to versions 3.3.12 and 5.1.11, the nanoid(size) function in index.js and index.cjs coerces the user-influenced size parameter to a signed 32-bit integer, allowing a value of 2147483648 to become -2147483648 and corrupt the process-wide CSPRNG poolOffset in fillPool(), which causes subsequent session tokens, CSRF tokens, API keys, and unique identifiers to become the deterministic string "uuuuuuuuuuuuuuuuuuuuu" until the process restarts. This issue is fixed in versions 3.3.12 and 5.1.11.

Severity

7.4 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-12 14:26 UTC

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

GitHub_M

References

6 references

URL	Tags
https://github.com/ai/nanoid/security/advisories/…	x_refsource_CONFIRM
https://github.com/ai/nanoid/commit/7087969281cab…	x_refsource_MISC
https://github.com/ai/nanoid/commit/821dfed7b5db7…	x_refsource_MISC
https://github.com/ai/nanoid/commit/b0036ed60dc9f…	x_refsource_MISC
https://github.com/ai/nanoid/releases/tag/3.3.12	x_refsource_MISC
https://github.com/ai/nanoid/releases/tag/5.1.11	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
ai	nanoid	Affected: < 3.3.12 Affected: >= 4.0.0, < 5.1.11

Show details on NVD website

JSON

To clipboard

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CVE-2026-73088 (GCVE-0-2026-73088)

Vulnerability from cvelistv5 – Published: 2026-08-11 17:00 – Updated: 2026-08-13 14:50

Title

Browserslist: Uncaught crash / prototype write via untrusted browserslist-stats.json custom stats (normalizeStats)

Summary

Browserslist is a configuration tool for sharing target browsers and Node.js versions between front-end tools. Prior to 4.28.7, normalizeStats() in node.js, reached unconditionally through getStat() and loadStat() on every browserslist() call, processes untrusted browserslist-stats.json, opts.stats, and CLI --stats data with an unguarded for...in loop and plain-object bracket access and assignment, allowing inherited Object.prototype keys including __proto__, toString, valueOf, constructor, hasOwnProperty, and isPrototypeOf to cause an uncaught TypeError or modify the prototype of the returned normalized object. This issue is fixed in version 4.28.7.

Severity

7.5 (High)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-13 14:50 UTC

CWE

CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
CWE-248 - Uncaught Exception

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/browserslist/browserslist/secu…	x_refsource_CONFIRM
https://github.com/browserslist/browserslist/comm…	x_refsource_MISC
https://github.com/browserslist/browserslist/rele…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
browserslist	browserslist	Affected: < 4.28.7

Show details on NVD website

JSON

To clipboard

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CVE-2026-73089 (GCVE-0-2026-73089)

Vulnerability from cvelistv5 – Published: 2026-08-11 17:05 – Updated: 2026-08-13 14:07

Title

Browserslist: Unbounded memory growth (no cache eviction) via distinct query results, leading to eventual OOM

Summary

Browserslist is a configuration tool for sharing target browsers and Node.js versions between front-end tools. Prior to 4.28.7, index.js retains every distinct `(queries, context)` result in cache and every parseQueries() AST in parseCache without a size cap, TTL, or eviction, allowing an attacker who can influence repeated browserslist() query values, including valid since `<year>-<month>-<day>` queries, to bypass the caller-controlled BROWSERSLIST_DISABLE_CACHE mitigation and cause linear memory growth followed by an out-of-memory process crash. This issue is fixed in version 4.28.7.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-13 13:14 UTC

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/browserslist/browserslist/secu…	x_refsource_CONFIRM
https://github.com/browserslist/browserslist/comm…	x_refsource_MISC
https://github.com/browserslist/browserslist/rele…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
browserslist	browserslist	Affected: < 4.28.7

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-73089",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-13T13:14:03.856150Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-13T14:07:57.169Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "browserslist",
          "vendor": "browserslist",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 4.28.7"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Browserslist is a configuration tool for sharing target browsers and Node.js versions between front-end tools. Prior to 4.28.7, index.js retains every distinct `(queries, context)` result in cache and every parseQueries() AST in parseCache without a size cap, TTL, or eviction, allowing an attacker who can influence repeated browserslist() query values, including valid since `\u003cyear\u003e-\u003cmonth\u003e-\u003cday\u003e` queries, to bypass the caller-controlled BROWSERSLIST_DISABLE_CACHE mitigation and cause linear memory growth followed by an out-of-memory process crash. This issue is fixed in version 4.28.7."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "CWE-770: Allocation of Resources Without Limits or Throttling",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-11T17:05:38.760Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/browserslist/browserslist/security/advisories/GHSA-c83g-rgw3-j3cx",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/browserslist/browserslist/security/advisories/GHSA-c83g-rgw3-j3cx"
        },
        {
          "name": "https://github.com/browserslist/browserslist/commit/f2931a3ff2a3a31abf84ef01a7400b270aad6405",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/browserslist/browserslist/commit/f2931a3ff2a3a31abf84ef01a7400b270aad6405"
        },
        {
          "name": "https://github.com/browserslist/browserslist/releases/tag/4.28.7",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/browserslist/browserslist/releases/tag/4.28.7"
        }
      ],
      "source": {
        "advisory": "GHSA-c83g-rgw3-j3cx",
        "discovery": "UNKNOWN"
      },
      "title": "Browserslist: Unbounded memory growth (no cache eviction) via distinct query results, leading to eventual OOM"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-73089",
    "datePublished": "2026-08-11T17:05:38.760Z",
    "dateReserved": "2026-08-10T19:37:41.445Z",
    "dateUpdated": "2026-08-13T14:07:57.169Z",
    "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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

RHSA-2026:54518

CVE-2026-73086 (GCVE-0-2026-73086)

CVE-2026-73088 (GCVE-0-2026-73088)

CVE-2026-73089 (GCVE-0-2026-73089)

Tags

Sightings

Nomenclature