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CVE-2026-48858

Server-Side Request Forgery (SSRF) vulnerability in Erlang/OTP ftp (ftp_internal module) allows FTP bounce attacks and SSRF via an unvalidated PASV response IP address. The ftp_internal:handle_ctrl_result/2 PASV handler (mode=passive, ipfamily=inet, ftp_extension=false) extracts the IP address from the server's 227 response and passes it directly to gen_tcp:connect/4 without validating it against the control connection peer address. The adjacent EPSV handlers correctly call peername(CSock) to d
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:032716ad4ebd200c227c9828801f2e4150486df8efa7a71e03b750733c0b51ea
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unknown","modules":["ftp_internal"],"packageName":"erlang/otp","packageURL":"pkg:github/erlang/otp","product":"OTP","programFiles":["lib/inets/src/ftp/ftp_internal.erl","lib/ftp/src/ftp_internal.erl"],"programRoutines":[{"name":"ftp_internal:handle_ctrl_result/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":"*","statu…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5fb14f71bc5b6d0259cb8ca06a242c2367e4baca93e9a0003ab73a51159595e4 · sha256:1cad707f0882cfd8… · /containers/cna/affected/2

{"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unknown","modules":["ftp_internal"],"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/ftp/ftp_internal.erl"],"programRoutines":[{"name":"ftp_internal:handle_ctrl_result/2"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"lessThan":"7.0","status":"affected","version":"5.10.4","versionType":"otp"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5fb14f71bc5b6d0259cb8ca06a242c2367e4baca93e9a0003ab73a51159595e4 · sha256:1cad707f0882cfd8… · /containers/cna/affected/0

{"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unknown","modules":["ftp_internal"],"packageName":"ftp","packageURL":"pkg:otp/ftp?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%20https:%2F%2Fgithub.com%2Ferlang%2Fotp.git","product":"OTP","programFiles":["src/ftp_internal.erl"],"programRoutines":[{"name":"ftp_internal:handle_ctrl_result/2"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"changes":[{"at":"1.2.6","status":"unaffected"},{"at":"1.2.4.1","status":"unaffected"},{"at":"1.2.3.1","status":"unaffected"}],"lessThan":"*",…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5fb14f71bc5b6d0259cb8ca06a242c2367e4baca93e9a0003ab73a51159595e4 · sha256:1cad707f0882cfd8… · /containers/cna/affected/1

Affected products and versions

3 source assertions
{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unknown","modules":["ftp_internal"],"packageName":"erlang/otp","packageURL":"pkg:github/erlang/otp","product":"OTP","programFiles":["lib/inets/src/ftp/ftp_internal.erl","lib/ftp/src/ftp_internal.erl"],"programRoutines":[{"name":"ftp_internal:handle_ctrl_result/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":"*","statu…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5fb14f71bc5b6d0259cb8ca06a242c2367e4baca93e9a0003ab73a51159595e4 · sha256:1cad707f0882cfd8… · /containers/cna/affected/2
{"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unknown","modules":["ftp_internal"],"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/ftp/ftp_internal.erl"],"programRoutines":[{"name":"ftp_internal:handle_ctrl_result/2"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"lessThan":"7.0","status":"affected","version":"5.10.4","versionType":"otp"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5fb14f71bc5b6d0259cb8ca06a242c2367e4baca93e9a0003ab73a51159595e4 · sha256:1cad707f0882cfd8… · /containers/cna/affected/0
{"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unknown","modules":["ftp_internal"],"packageName":"ftp","packageURL":"pkg:otp/ftp?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%20https:%2F%2Fgithub.com%2Ferlang%2Fotp.git","product":"OTP","programFiles":["src/ftp_internal.erl"],"programRoutines":[{"name":"ftp_internal:handle_ctrl_result/2"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"changes":[{"at":"1.2.6","status":"unaffected"},{"at":"1.2.4.1","status":"unaffected"},{"at":"1.2.3.1","status":"unaffected"}],"lessThan":"*",…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5fb14f71bc5b6d0259cb8ca06a242c2367e4baca93e9a0003ab73a51159595e4 · sha256:1cad707f0882cfd8… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.3,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5fb14f71bc5b6d0259cb8ca06a242c2367e4baca93e9a0003ab73a51159595e4 · sha256:1cad707f0882cfd8… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-918","description":"CWE-918 Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5fb14f71bc5b6d0259cb8ca06a242c2367e4baca93e9a0003ab73a51159595e4 · sha256:1cad707f0882cfd8… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions
{"tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-48858.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5fb14f71bc5b6d0259cb8ca06a242c2367e4baca93e9a0003ab73a51159595e4 · sha256:1cad707f0882cfd8… · /containers/cna/references/1
{"tags":["patch"],"url":"https://github.com/erlang/otp/commit/2691a806231ffd0490a8a9e20500dec0c7e73727"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5fb14f71bc5b6d0259cb8ca06a242c2367e4baca93e9a0003ab73a51159595e4 · sha256:1cad707f0882cfd8… · /containers/cna/references/4
{"tags":["patch"],"url":"https://github.com/erlang/otp/commit/521bcfa24407ee8cb5614823cf905c37ea3aa605"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5fb14f71bc5b6d0259cb8ca06a242c2367e4baca93e9a0003ab73a51159595e4 · sha256:1cad707f0882cfd8… · /containers/cna/references/5
{"tags":["vendor-advisory","related"],"url":"https://github.com/erlang/otp/security/advisories/GHSA-24cv-hwgr-37fq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5fb14f71bc5b6d0259cb8ca06a242c2367e4baca93e9a0003ab73a51159595e4 · sha256:1cad707f0882cfd8… · /containers/cna/references/0
{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-48858"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5fb14f71bc5b6d0259cb8ca06a242c2367e4baca93e9a0003ab73a51159595e4 · sha256:1cad707f0882cfd8… · /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:v2:5fb14f71bc5b6d0259cb8ca06a242c2367e4baca93e9a0003ab73a51159595e4 · sha256:1cad707f0882cfd8… · /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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