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CVE-2026-47071

Uncontrolled Resource Consumption vulnerability in benoitc hackney allows Flooding. The SOCKS5 transport in src/hackney_socks5.erl correctly applies the caller-supplied timeout to the SOCKS5 negotiation phase, but then upgrades the connection to TLS using the two-argument form ssl:connect/2, which defaults to an infinite timeout. The Timeout value is in scope at the call site but is not forwarded. A hostile SOCKS5 proxy that completes the SOCKS5 handshake normally and then goes silent (or sends
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b8608486d074ca627010d77085d9bce25590efd76ef9b5c6b6e57f1f95484386
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:benoitc:hackney:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["hackney_socks5"],"packageName":"hackney","packageURL":"pkg:hex/hackney","product":"hackney","programFiles":["src/hackney_socks5.erl"],"programRoutines":[{"name":"hackney_socks5:connect/4"}],"repo":"https://github.com/benoitc/hackney","vendor":"benoitc","versions":[{"lessThan":"4.0.1","status":"affected","version":"0.10.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ad5c8dc04f5d11b5796579e694d381a27d8f43d4d9e9578c11c43f5b7829a35 · sha256:c3e8aa62948ddbc7… · /containers/cna/affected/0

{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:benoitc:hackney:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["hackney_socks5"],"packageName":"benoitc/hackney","packageURL":"pkg:github/benoitc/hackney","product":"hackney","programFiles":["src/hackney_socks5.erl"],"programRoutines":[{"name":"hackney_socks5:connect/4"}],"repo":"https://github.com/benoitc/hackney","vendor":"benoitc","versions":[{"lessThan":"5ccdab725c561a6f03d05a51f2d0664f98236dae","status":"affected","version":"34cdbd1d20a282aacc286a89327465a3925b4c5d","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ad5c8dc04f5d11b5796579e694d381a27d8f43d4d9e9578c11c43f5b7829a35 · sha256:c3e8aa62948ddbc7… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:benoitc:hackney:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["hackney_socks5"],"packageName":"hackney","packageURL":"pkg:hex/hackney","product":"hackney","programFiles":["src/hackney_socks5.erl"],"programRoutines":[{"name":"hackney_socks5:connect/4"}],"repo":"https://github.com/benoitc/hackney","vendor":"benoitc","versions":[{"lessThan":"4.0.1","status":"affected","version":"0.10.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ad5c8dc04f5d11b5796579e694d381a27d8f43d4d9e9578c11c43f5b7829a35 · sha256:c3e8aa62948ddbc7… · /containers/cna/affected/0
{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:benoitc:hackney:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["hackney_socks5"],"packageName":"benoitc/hackney","packageURL":"pkg:github/benoitc/hackney","product":"hackney","programFiles":["src/hackney_socks5.erl"],"programRoutines":[{"name":"hackney_socks5:connect/4"}],"repo":"https://github.com/benoitc/hackney","vendor":"benoitc","versions":[{"lessThan":"5ccdab725c561a6f03d05a51f2d0664f98236dae","status":"affected","version":"34cdbd1d20a282aacc286a89327465a3925b4c5d","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ad5c8dc04f5d11b5796579e694d381a27d8f43d4d9e9578c11c43f5b7829a35 · sha256:c3e8aa62948ddbc7… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.2,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8ad5c8dc04f5d11b5796579e694d381a27d8f43d4d9e9578c11c43f5b7829a35 · sha256:c3e8aa62948ddbc7… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8ad5c8dc04f5d11b5796579e694d381a27d8f43d4d9e9578c11c43f5b7829a35 · sha256:c3e8aa62948ddbc7… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-47071.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8ad5c8dc04f5d11b5796579e694d381a27d8f43d4d9e9578c11c43f5b7829a35 · sha256:c3e8aa62948ddbc7… · /containers/cna/references/1
{"tags":["patch"],"url":"https://github.com/benoitc/hackney/commit/5ccdab725c561a6f03d05a51f2d0664f98236dae"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8ad5c8dc04f5d11b5796579e694d381a27d8f43d4d9e9578c11c43f5b7829a35 · sha256:c3e8aa62948ddbc7… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://github.com/benoitc/hackney/security/advisories/GHSA-gp9c-pm5m-5cxr"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8ad5c8dc04f5d11b5796579e694d381a27d8f43d4d9e9578c11c43f5b7829a35 · sha256:c3e8aa62948ddbc7… · /containers/adp/0/references/0
{"tags":["vendor-advisory","related"],"url":"https://github.com/benoitc/hackney/security/advisories/GHSA-gp9c-pm5m-5cxr"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8ad5c8dc04f5d11b5796579e694d381a27d8f43d4d9e9578c11c43f5b7829a35 · sha256:c3e8aa62948ddbc7… · /containers/cna/references/0
{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-47071"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8ad5c8dc04f5d11b5796579e694d381a27d8f43d4d9e9578c11c43f5b7829a35 · sha256:c3e8aa62948ddbc7… · /containers/cna/references/2

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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