CVE-2026-16083 (GCVE-0-2026-16083)

Vulnerability from cvelistv5 – Published: 2026-07-18 08:30 – Updated: 2026-07-18 08:30
VLAI
Title
Sipeed PicoClaw LINE Webhook line.go webhook.ParseRequest authentication replay
Summary
A security flaw has been discovered in Sipeed PicoClaw up to 0.2.9. This affects the function webhook.ParseRequest of the file pkg/channels/line/line.go of the component LINE Webhook. The manipulation results in authentication bypass by capture-replay. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The reported GitHub issue was closed automatically with the label "not planned" by a bot.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
CWE
  • CWE-294 - Authentication Bypass by Capture-replay
  • CWE-287 - Improper Authentication
Assigner
References
URL Tags
https://vuldb.com/vuln/379795 vdb-entrytechnical-description
https://vuldb.com/vuln/379795/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-16083 third-party-advisory
https://vuldb.com/submit/852945 third-party-advisory
https://github.com/sipeed/picoclaw/issues/3073 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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      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:sipeed:picoclaw:*:*:*:*:*:*:*:*"
          ],
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          ],
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            },
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              "version": "0.2.5"
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          "tags": [
            "signature",
            "permissions-required"
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        },
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          "value": "VulDB entry last update"
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      ],
      "title": "Sipeed PicoClaw LINE Webhook line.go webhook.ParseRequest authentication replay"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-16083",
    "datePublished": "2026-07-18T08:30:09.134Z",
    "dateReserved": "2026-07-17T13:50:03.053Z",
    "dateUpdated": "2026-07-18T08:30:09.134Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
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      "date": "2026-07-19",
      "epss": "0.0043",
      "percentile": "0.34879"
    },
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  }
}



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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.

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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.