FKIE_CVE-2026-2523

Vulnerability from fkie_nvd - Published: 2026-02-16 01:15 - Updated: 2026-02-18 19:07
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function smf_gn_handle_create_pdp_context_request of the file /src/smf/gn-handler.c of the component SMF. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
References
cna@vuldb.comhttps://github.com/open5gs/open5gs/Product
cna@vuldb.comhttps://github.com/open5gs/open5gs/issues/4285Exploit, Issue Tracking, Vendor Advisory
cna@vuldb.comhttps://github.com/open5gs/open5gs/issues/4285#issue-3809055236Exploit, Issue Tracking, Vendor Advisory
cna@vuldb.comhttps://vuldb.com/?ctiid.346111Permissions Required, VDB Entry
cna@vuldb.comhttps://vuldb.com/?id.346111Third Party Advisory, VDB Entry
cna@vuldb.comhttps://vuldb.com/?submit.738342Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
open5gs open5gs *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9C77332A-BAA3-4FE7-A237-B87F175C6F48",
              "versionEndIncluding": "2.7.6",
              "vulnerable": true
            }
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          "negate": false,
          "operator": "OR"
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      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function smf_gn_handle_create_pdp_context_request of the file /src/smf/gn-handler.c of the component SMF. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 una vulnerabilidad en Open5GS hasta la versi\u00f3n 2.7.6. El elemento afectado es la funci\u00f3n smf_gn_handle_create_pdp_context_request del archivo /src/smf/gn-handler.c del componente SMF. La manipulaci\u00f3n resulta en una aserci\u00f3n alcanzable. Es posible lanzar el ataque de forma remota. El exploit ahora es p\u00fablico y puede ser utilizado. Se inform\u00f3 al proyecto del problema con antelaci\u00f3n a trav\u00e9s de un informe de incidencias, pero a\u00fan no ha respondido."
    }
  ],
  "id": "CVE-2026-2523",
  "lastModified": "2026-02-18T19:07:48.960",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
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        "type": "Secondary",
        "userInteractionRequired": false
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    "cvssMetricV31": [
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
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          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "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:L",
          "version": "3.1"
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        "type": "Secondary"
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        "source": "nvd@nist.gov",
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    "cvssMetricV40": [
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        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
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    ]
  },
  "published": "2026-02-16T01:15:53.767",
  "references": [
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Product"
      ],
      "url": "https://github.com/open5gs/open5gs/"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
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        "Issue Tracking",
        "Vendor Advisory"
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      "url": "https://github.com/open5gs/open5gs/issues/4285"
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      "source": "cna@vuldb.com",
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        "Issue Tracking",
        "Vendor Advisory"
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      "url": "https://github.com/open5gs/open5gs/issues/4285#issue-3809055236"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Permissions Required",
        "VDB Entry"
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      "url": "https://vuldb.com/?ctiid.346111"
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      "source": "cna@vuldb.com",
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      "tags": [
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        "VDB Entry"
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      "url": "https://vuldb.com/?submit.738342"
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  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-617"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Primary"
    }
  ]
}


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Sightings

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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.