FKIE_CVE-2026-2887

Vulnerability from fkie_nvd - Published: 2026-02-21 21:16 - Updated: 2026-02-26 21:41
Severity ?
3.3 (Low) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
A security vulnerability has been detected in aardappel lobster up to 2025.4. This impacts the function lobster::TypeName in the library dev/src/lobster/idents.h. Such manipulation leads to uncontrolled recursion. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. Upgrading to version 2026.1 will fix this issue. The name of the patch is 8ba49f98ccfc9734ef352146806433a41d9f9aa6. It is advisable to upgrade the affected component.
References
cna@vuldb.comhttps://github.com/aardappel/lobster/Product
cna@vuldb.comhttps://github.com/aardappel/lobster/commit/8ba49f98ccfc9734ef352146806433a41d9f9aa6Patch
cna@vuldb.comhttps://github.com/aardappel/lobster/issues/397Exploit, Issue Tracking, Vendor Advisory
cna@vuldb.comhttps://github.com/aardappel/lobster/issues/397#issuecomment-3849015088Exploit, Issue Tracking, Vendor Advisory
cna@vuldb.comhttps://github.com/aardappel/lobster/releases/tag/v2026.1Release Notes
cna@vuldb.comhttps://github.com/oneafter/0204/blob/main/lob3/repro.lobsterThird Party Advisory
cna@vuldb.comhttps://vuldb.com/?ctiid.347181Permissions Required, VDB Entry
cna@vuldb.comhttps://vuldb.com/?id.347181Third Party Advisory, VDB Entry
cna@vuldb.comhttps://vuldb.com/?submit.755026Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
strlen lobster *
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    {
      "nodes": [
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              "criteria": "cpe:2.3:a:strlen:lobster:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C71AFEA1-9739-440F-BC6E-2C90F0A3988B",
              "versionEndExcluding": "2026.1",
              "vulnerable": true
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A security vulnerability has been detected in aardappel lobster up to 2025.4. This impacts the function lobster::TypeName in the library dev/src/lobster/idents.h. Such manipulation leads to uncontrolled recursion. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. Upgrading to version 2026.1 will fix this issue. The name of the patch is 8ba49f98ccfc9734ef352146806433a41d9f9aa6. It is advisable to upgrade the affected component."
    },
    {
      "lang": "es",
      "value": "Se ha detectado una vulnerabilidad de seguridad en aardappel lobster hasta 2025.4. Esta afecta a la funci\u00f3n lobster::TypeName de la biblioteca dev/src/lobster/idents.h. Su manipulaci\u00f3n conduce a recursi\u00f3n incontrolada. El ataque solo puede ser realizado desde un entorno local. El exploit ha sido divulgado p\u00fablicamente y puede ser utilizado. La actualizaci\u00f3n de la versi\u00f3n 2026.1 soluciona este problema. El nombre del parche es 8ba49f98ccfc9734ef352146806433a41d9f9aa6. Es aconsejable actualizar el componente afectado."
    }
  ],
  "id": "CVE-2026-2887",
  "lastModified": "2026-02-26T21:41:55.547",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
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          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P",
          "version": "2.0"
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        "type": "Secondary",
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    "cvssMetricV31": [
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          "attackVector": "LOCAL",
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          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
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          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
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          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 4.8,
          "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": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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",
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          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
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  "published": "2026-02-21T21:16:11.420",
  "references": [
    {
      "source": "cna@vuldb.com",
      "tags": [
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      "url": "https://github.com/aardappel/lobster/"
    },
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      "source": "cna@vuldb.com",
      "tags": [
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      "tags": [
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      "tags": [
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "source": "nvd@nist.gov",
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  ]
}


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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.
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  • 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.



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