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CVE-2026-48113

Chisel is a TCP/UDP tunnel, transported over HTTP and secured via SSH. In versions prior to 1.11.5, authenticated clients can bypass --authfile ACL restrictions and tunnel traffic to arbitrary destinations reachable from the server. The ACL is enforced only during the initial handshake against declared remotes, but never on subsequent SSH channels that carry actual traffic. A malicious client can authenticate with a permitted remote, then open channels to any host:port it wants. This issue has b
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b5720c0bb3475c014ced009ce8e7f61bef3e54752cd322a23c3282db25e3a1c6
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"chisel","vendor":"jpillora","versions":[{"status":"affected","version":"< 1.11.5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2d2802f69f699f9c6f0b4548e5bc508198b1cb7b2c89f35f998b8f4410a4f126 · sha256:71ead860c49091ec… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.5,"baseSeverity":"HIGH","privilegesRequired":"LOW","subAvailabilityImpact":"LOW","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:H/SA:L","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2d2802f69f699f9c6f0b4548e5bc508198b1cb7b2c89f35f998b8f4410a4f126 · sha256:71ead860c49091ec… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2d2802f69f699f9c6f0b4548e5bc508198b1cb7b2c89f35f998b8f4410a4f126 · sha256:71ead860c49091ec… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/jpillora/chisel/commit/44310b65667a97901874ffdf4815b3732c22eaa3","tags":["x_refsource_MISC"],"url":"https://github.com/jpillora/chisel/commit/44310b65667a97901874ffdf4815b3732c22eaa3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2d2802f69f699f9c6f0b4548e5bc508198b1cb7b2c89f35f998b8f4410a4f126 · sha256:71ead860c49091ec… · /containers/cna/references/1
{"name":"https://github.com/jpillora/chisel/security/advisories/GHSA-24fp-5v3p-rvpw","tags":["x_refsource_CONFIRM"],"url":"https://github.com/jpillora/chisel/security/advisories/GHSA-24fp-5v3p-rvpw"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2d2802f69f699f9c6f0b4548e5bc508198b1cb7b2c89f35f998b8f4410a4f126 · sha256:71ead860c49091ec… · /containers/cna/references/0

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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