Vulnerability-Lookup

CVE-2026-40897 (GCVE-0-2026-40897)

Vulnerability from cvelistv5 – Published: 2026-04-24 16:48 – Updated: 2026-06-30 12:08

Title

Math.js: Unsafe object property setter in mathjs

Summary

Math.js is an extensive math library for JavaScript and Node.js. From 13.1.1 to before 15.2.0, a vulnerability allowed executing arbitrary JavaScript via the expression parser of mathjs. You can be affected when you have an application where users can evaluate arbitrary expressions using the mathjs expression parser. This vulnerability is fixed in 15.2.0.

Severity

8.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
CWE-917 - Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')

Assigner

GitHub_M

References

6 references

URL	Tags
https://github.com/josdejong/mathjs/security/advi…	x_refsource_CONFIRM
https://github.com/josdejong/mathjs/pull/3656	x_refsource_MISC
https://github.com/josdejong/mathjs/commit/513ab2…	x_refsource_MISC
https://access.redhat.com/security/cve/CVE-2026-40897	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2461612	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex

Impacted products

8 products

Vendor	Product	Version
josdejong	mathjs	Affected: >= 13.1.1, < 15.2.0
Red Hat	Red Hat Developer Hub	cpe:/a:redhat:rhdh:1
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9
Red Hat	Red Hat OpenShift AI (RHOAI)	cpe:/a:redhat:openshift_ai
Red Hat	Red Hat OpenShift Container Platform 4	cpe:/a:redhat:openshift:4
Red Hat	Self-service automation portal 2	cpe:/a:redhat:ansible_portal:2

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-40897

Vulnerability from fkie_nvd - Published: 2026-04-24 17:16 - Updated: 2026-06-30 03:19

Severity

8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/josdejong/mathjs/commit/513ab2a0e01004af91b31aada68fae8a821326ad	Patch
security-advisories@github.com	https://github.com/josdejong/mathjs/pull/3656	Issue Tracking
security-advisories@github.com	https://github.com/josdejong/mathjs/security/advisories/GHSA-29qv-4j9f-fjw5	Vendor Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/security/cve/CVE-2026-40897
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://bugzilla.redhat.com/show_bug.cgi?id=2461612
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40897.json

Impacted products

	Vendor	Product	Version
	mathjs	mathjs	*

JSON

To clipboard

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              "criteria": "cpe:2.3:a:mathjs:mathjs:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "8DB079CB-9A5C-4138-B8E5-7607D3DDC20A",
              "versionEndExcluding": "15.2.0",
              "versionStartIncluding": "13.1.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Math.js is an extensive math library for JavaScript and Node.js. From 13.1.1 to before 15.2.0, a vulnerability allowed executing arbitrary JavaScript via the expression parser of mathjs. You can be affected when you have an application where users can evaluate arbitrary expressions using the mathjs expression parser. This vulnerability is fixed in 15.2.0."
    }
  ],
  "id": "CVE-2026-40897",
  "lastModified": "2026-06-30T03:19:20.870",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
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        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
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    ],
    "ssvcV203": [
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          "options": [
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            {
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            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-04-24T17:44:50.632032Z",
          "version": "2.0.3"
        }
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  "published": "2026-04-24T17:16:20.783",
  "references": [
    {
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      "tags": [
        "Patch"
      ],
      "url": "https://github.com/josdejong/mathjs/commit/513ab2a0e01004af91b31aada68fae8a821326ad"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
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      ],
      "url": "https://github.com/josdejong/mathjs/pull/3656"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/josdejong/mathjs/security/advisories/GHSA-29qv-4j9f-fjw5"
    },
    {
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          "lang": "en",
          "value": "CWE-915"
        }
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        }
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  ]
}

GHSA-29QV-4J9F-FJW5

Vulnerability from github – Published: 2026-04-16 22:38 – Updated: 2026-04-27 16:43

Summary

Unsafe object property setter in mathjs

Details

Impact

This security vulnerability allowed executing arbitrary JavaScript via the expression parser of mathjs. You can be affected when you have an application where users can evaluate arbitrary expressions using the mathjs expression parser.

Patches

The issue was introduced in mathjs v13.1.1, and patched in mathjs v15.2.0.

Workarounds

There is no workaround without upgrading to v15.2.0.

References

You can find out more via the commit fixing this issue: https://github.com/josdejong/mathjs/commit/513ab2a0e01004af91b31aada68fae8a821326ad (part of PR https://github.com/josdejong/mathjs/pull/3656).

Severity

8.8 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "mathjs"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "13.1.1"
            },
            {
              "fixed": "15.2.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-40897"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-915"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-16T22:38:43Z",
    "nvd_published_at": "2026-04-24T17:16:20Z",
    "severity": "HIGH"
  },
  "details": "### Impact\nThis security vulnerability allowed executing arbitrary JavaScript via the expression parser of mathjs. You can be affected when you have an application where users can evaluate arbitrary expressions using the mathjs expression parser.\n\n### Patches\nThe issue was introduced in mathjs `v13.1.1`, and patched in mathjs `v15.2.0`.\n\n### Workarounds\nThere is no workaround without upgrading to `v15.2.0`.\n\n### References\nYou can find out more via the commit fixing this issue: https://github.com/josdejong/mathjs/commit/513ab2a0e01004af91b31aada68fae8a821326ad (part of PR https://github.com/josdejong/mathjs/pull/3656).",
  "id": "GHSA-29qv-4j9f-fjw5",
  "modified": "2026-04-27T16:43:11Z",
  "published": "2026-04-16T22:38:43Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/josdejong/mathjs/security/advisories/GHSA-29qv-4j9f-fjw5"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40897"
    },
    {
      "type": "WEB",
      "url": "https://github.com/josdejong/mathjs/pull/3656"
    },
    {
      "type": "WEB",
      "url": "https://github.com/josdejong/mathjs/commit/513ab2a0e01004af91b31aada68fae8a821326ad"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/josdejong/mathjs"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Unsafe object property setter in mathjs"
}

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.

Action not permitted

CVE-2026-40897 (GCVE-0-2026-40897)

FKIE_CVE-2026-40897

GHSA-29QV-4J9F-FJW5

Impact

Patches

Workarounds

References

Tags

Sightings

Nomenclature