CVE-2026-16085 (GCVE-0-2026-16085)

Vulnerability from cvelistv5 – Published: 2026-07-18 09:15 – Updated: 2026-07-18 09:15
VLAI
Title
Sipeed PicoClaw context.go NewContextBuilder inclusion of functionality from untrusted control sphere
Summary
A security vulnerability has been detected in Sipeed PicoClaw up to 0.2.9. Affected is the function NewContextBuilder of the file pkg/agent/context.go. Such manipulation leads to inclusion of functionality from untrusted control sphere. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The reported GitHub issue was closed automatically with the label "not planned" by a bot.
Severity
4.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
5.3 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
5.3 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CWE
  • CWE-829 - Inclusion of Functionality from Untrusted Control Sphere
Assigner
References
URL Tags
https://vuldb.com/vuln/379797 vdb-entrytechnical-description
https://vuldb.com/vuln/379797/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-16085 third-party-advisory
https://vuldb.com/submit/852947 third-party-advisory
https://github.com/sipeed/picoclaw/issues/3075 exploitissue-tracking
https://github.com/sipeed/picoclaw/ product
Impacted products
Vendor Product Version
Sipeed PicoClaw Affected: 0.2.0
Affected: 0.2.1
Affected: 0.2.2
Affected: 0.2.3
Affected: 0.2.4
Affected: 0.2.5
Affected: 0.2.6
Affected: 0.2.7
Affected: 0.2.8
Affected: 0.2.9
    cpe:2.3:a:sipeed:picoclaw:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Eric-i (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
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        {
          "cpes": [
            "cpe:2.3:a:sipeed:picoclaw:*:*:*:*:*:*:*:*"
          ],
          "product": "PicoClaw",
          "vendor": "Sipeed",
          "versions": [
            {
              "status": "affected",
              "version": "0.2.0"
            },
            {
              "status": "affected",
              "version": "0.2.1"
            },
            {
              "status": "affected",
              "version": "0.2.2"
            },
            {
              "status": "affected",
              "version": "0.2.3"
            },
            {
              "status": "affected",
              "version": "0.2.4"
            },
            {
              "status": "affected",
              "version": "0.2.5"
            },
            {
              "status": "affected",
              "version": "0.2.6"
            },
            {
              "status": "affected",
              "version": "0.2.7"
            },
            {
              "status": "affected",
              "version": "0.2.8"
            },
            {
              "status": "affected",
              "version": "0.2.9"
            }
          ]
        }
      ],
      "credits": [
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          "type": "reporter",
          "value": "Eric-i (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A security vulnerability has been detected in Sipeed PicoClaw up to 0.2.9. Affected is the function NewContextBuilder of the file pkg/agent/context.go. Such manipulation leads to inclusion of functionality from untrusted control sphere. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The reported GitHub issue was closed automatically with the label \"not planned\" by a bot."
        }
      ],
      "metrics": [
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
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            "baseScore": 4.3,
            "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
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      "problemTypes": [
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          "descriptions": [
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              "description": "Inclusion of Functionality from Untrusted Control Sphere",
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      "providerMetadata": {
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        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-379797 | Sipeed PicoClaw context.go NewContextBuilder inclusion of functionality from untrusted control sphere",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/379797"
        },
        {
          "name": "VDB-379797 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/379797/cti"
        },
        {
          "name": "CVE-2026-16085 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-16085"
        },
        {
          "name": "Submit #852947 | Sipeed PicoClaw \u003c= 0.2.9 Inclusion of Functionality from Untrusted Control Sphere (CWE-829)",
          "tags": [
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          ],
          "url": "https://vuldb.com/submit/852947"
        },
        {
          "tags": [
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            "issue-tracking"
          ],
          "url": "https://github.com/sipeed/picoclaw/issues/3075"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/sipeed/picoclaw/"
        }
      ],
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          "time": "2026-07-17T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
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          "time": "2026-07-17T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-07-17T15:55:34.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Sipeed PicoClaw context.go NewContextBuilder inclusion of functionality from untrusted control sphere"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-16085",
    "datePublished": "2026-07-18T09:15:09.590Z",
    "dateReserved": "2026-07-17T13:50:10.945Z",
    "dateUpdated": "2026-07-18T09:15:09.590Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-16085",
      "date": "2026-07-19",
      "epss": "0.00142",
      "percentile": "0.03902"
    },
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  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.