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CVE-2026-48856

Sensitive Data Exposure vulnerability in Erlang OTP inets (httpc_response module) allows Retrieve Embedded Sensitive Data. The httpc client forwards the Authorization and Proxy-Authorization request headers to redirect targets without checking whether the redirect crosses an origin boundary. httpc_response:redirect/2 constructs the redirected request by updating only the host field of the header record; all other fields (including authorization and proxy_authorization) are copied verbatim. The
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:765d6408bddd6697df1f3e685d6d8da6e2c58a2c5fc04df80289f1ea11a35071
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

{"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unknown","modules":["httpc_response"],"packageName":"inets","packageURL":"pkg:otp/inets?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%20https:%2F%2Fgithub.com%2Ferlang%2Fotp.git","product":"OTP","programFiles":["src/http_client/httpc_response.erl"],"programRoutines":[{"name":"httpc_response:redirect/2"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"changes":[{"at":"9.7.1","status":"unaffected"},{"at":"9.6.2.2","status":"unaffected"},{"at":"9.3.2.6","status":"unaffected"}],"le…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4b1acac2b1e3d1c1369a20cb1659de2889d8ec55b490742835b80e718a461a1f · sha256:633c7b88b10b5f89… · /containers/cna/affected/0

{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unknown","modules":["httpc_response"],"packageName":"erlang/otp","packageURL":"pkg:github/erlang/otp","product":"OTP","programFiles":["lib/inets/src/http_client/httpc_response.erl"],"programRoutines":[{"name":"httpc_response:redirect/2"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"changes":[{"at":"29.0.2","status":"unaffected"},{"at":"28.5.0.2","status":"unaffected"},{"at":"27.3.4.13","status":"unaffected"}],"lessThan":"*","status":"affected","version":"17…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4b1acac2b1e3d1c1369a20cb1659de2889d8ec55b490742835b80e718a461a1f · sha256:633c7b88b10b5f89… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unknown","modules":["httpc_response"],"packageName":"inets","packageURL":"pkg:otp/inets?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%20https:%2F%2Fgithub.com%2Ferlang%2Fotp.git","product":"OTP","programFiles":["src/http_client/httpc_response.erl"],"programRoutines":[{"name":"httpc_response:redirect/2"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"changes":[{"at":"9.7.1","status":"unaffected"},{"at":"9.6.2.2","status":"unaffected"},{"at":"9.3.2.6","status":"unaffected"}],"le…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4b1acac2b1e3d1c1369a20cb1659de2889d8ec55b490742835b80e718a461a1f · sha256:633c7b88b10b5f89… · /containers/cna/affected/0
{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unknown","modules":["httpc_response"],"packageName":"erlang/otp","packageURL":"pkg:github/erlang/otp","product":"OTP","programFiles":["lib/inets/src/http_client/httpc_response.erl"],"programRoutines":[{"name":"httpc_response:redirect/2"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"changes":[{"at":"29.0.2","status":"unaffected"},{"at":"28.5.0.2","status":"unaffected"},{"at":"27.3.4.13","status":"unaffected"}],"lessThan":"*","status":"affected","version":"17…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4b1acac2b1e3d1c1369a20cb1659de2889d8ec55b490742835b80e718a461a1f · sha256:633c7b88b10b5f89… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4b1acac2b1e3d1c1369a20cb1659de2889d8ec55b490742835b80e718a461a1f · sha256:633c7b88b10b5f89… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-601","description":"CWE-601 URL Redirection to Untrusted Site ('Open Redirect')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4b1acac2b1e3d1c1369a20cb1659de2889d8ec55b490742835b80e718a461a1f · sha256:633c7b88b10b5f89… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-48856.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4b1acac2b1e3d1c1369a20cb1659de2889d8ec55b490742835b80e718a461a1f · sha256:633c7b88b10b5f89… · /containers/cna/references/1
{"tags":["patch"],"url":"https://github.com/erlang/otp/commit/688d748d6f7a6a06b13b662a1d3de8af97079612"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4b1acac2b1e3d1c1369a20cb1659de2889d8ec55b490742835b80e718a461a1f · sha256:633c7b88b10b5f89… · /containers/cna/references/4
{"tags":["vendor-advisory","related"],"url":"https://github.com/erlang/otp/security/advisories/GHSA-m75x-4vwg-ggjh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4b1acac2b1e3d1c1369a20cb1659de2889d8ec55b490742835b80e718a461a1f · sha256:633c7b88b10b5f89… · /containers/cna/references/0
{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-48856"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4b1acac2b1e3d1c1369a20cb1659de2889d8ec55b490742835b80e718a461a1f · sha256:633c7b88b10b5f89… · /containers/cna/references/2
{"tags":["x_version-scheme"],"url":"https://www.erlang.org/doc/system/versions.html#order-of-versions"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4b1acac2b1e3d1c1369a20cb1659de2889d8ec55b490742835b80e718a461a1f · sha256:633c7b88b10b5f89… · /containers/cna/references/3

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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