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CVE-2026-16198

A vulnerability was detected in Sipeed PicoClaw up to 0.2.9. The impacted element is an unknown function of the file web/backend/middleware/access_control.go of the component First Run Setup. Performing a manipulation of the argument allowed_cidrs results in authentication bypass using alternate channel. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitability is regarded as difficult. The exploit is now public and may be used. The patch is named 0176013
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2a1ee220725fed02d9557dbdca0fdf52f1eafc7abf6ee403b948c9d836f8cdc9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":5.1,"vectorString":"AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":5.6,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":5.6,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/metrics/0/cvssV4_0
cwe · 2 assertions

{"cweId":"CWE-288","description":"Authentication Bypass Using Alternate Channel","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-287","description":"Improper Authentication","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:sipeed:picoclaw:*:*:*:*:*:*:*:*"],"modules":["First Run Setup"],"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"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":5.1,"vectorString":"AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":5.6,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":5.6,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-288","description":"Authentication Bypass Using Alternate Channel","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-287","description":"Improper Authentication","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/problemTypes/1/descriptions/0

Source references

8 source assertions
{"tags":["product"],"url":"https://github.com/sipeed/picoclaw/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/references/7
{"tags":["patch"],"url":"https://github.com/sipeed/picoclaw/commit/017601354be38cb027ff3ffb01aed79bd5d12610"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/references/6
{"tags":["exploit","issue-tracking"],"url":"https://github.com/sipeed/picoclaw/issues/3080"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/references/4
{"tags":["issue-tracking","patch"],"url":"https://github.com/sipeed/picoclaw/pull/3083"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/references/5
{"name":"CVE-2026-16198 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-16198"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/references/2
{"name":"Submit #852965 | Sipeed PicoClaw <= v0.2.9 Authentication Bypass Using an Alternate Path or Channel (CWE-288)","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/852965"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/references/3
{"name":"VDB-380014 | Sipeed PicoClaw First Run Setup access_control.go authentication bypass","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/380014"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/references/0
{"name":"VDB-380014 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/380014/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62bc6f942f72c44dc722cb9a59efae0d640b896ad0f0b4c75c6a4bf2b050ff19 · sha256:0c97f2d45fd26b0f… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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