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CVE-2026-47240

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to 0.6.5 and 0.5.15, several Net::IMAP commands accept a "raw data" argument that is sent verbatim after validation to prevent command injection. However, if a server does not support non-synchronizing literals, it may still be possible to inject arbitrary IMAP commands inside non-synchronizing literals. A server without support for non-synchronizing literals may interpret the "+}\r\n" as the end of
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:29cb95d7ed07a2d16b31c276ade9606ba7609d3b35a87f550e0b858b79691e46
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-77","description":"CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5c5dfdb6bee61073222029cf4f9bde4f2e228bcb13f35e738b2fa7ab3881a207 · sha256:84c4ccb4fd37475f… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-93","description":"CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5c5dfdb6bee61073222029cf4f9bde4f2e228bcb13f35e738b2fa7ab3881a207 · sha256:84c4ccb4fd37475f… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"net-imap","vendor":"ruby","versions":[{"status":"affected","version":">= 0.6.0, < 0.6.4.1"},{"status":"affected","version":"< 0.5.15"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5c5dfdb6bee61073222029cf4f9bde4f2e228bcb13f35e738b2fa7ab3881a207 · sha256:84c4ccb4fd37475f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":5.8,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5c5dfdb6bee61073222029cf4f9bde4f2e228bcb13f35e738b2fa7ab3881a207 · sha256:84c4ccb4fd37475f… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-77","description":"CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5c5dfdb6bee61073222029cf4f9bde4f2e228bcb13f35e738b2fa7ab3881a207 · sha256:84c4ccb4fd37475f… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-93","description":"CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5c5dfdb6bee61073222029cf4f9bde4f2e228bcb13f35e738b2fa7ab3881a207 · sha256:84c4ccb4fd37475f… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/ruby/net-imap/security/advisories/GHSA-8p34-64r3-mwg8","tags":["x_refsource_CONFIRM"],"url":"https://github.com/ruby/net-imap/security/advisories/GHSA-8p34-64r3-mwg8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5c5dfdb6bee61073222029cf4f9bde4f2e228bcb13f35e738b2fa7ab3881a207 · sha256:84c4ccb4fd37475f… · /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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