{"api_version":"1","generated_at":"2026-07-08T18:25:42+00:00","cve":"CVE-2026-49147","urls":{"html":"https://cve.report/CVE-2026-49147","api":"https://cve.report/api/cve/CVE-2026-49147.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-49147","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-49147"},"summary":{"title":"App::Ack versions through 3.10.0 for Perl print unsanitised terminal escape sequences from filenames in several output modes","description":"App::Ack versions through 3.10.0 for Perl print unsanitised terminal escape sequences from filenames in several output modes.\n\nWhen ack prints a filename whose basename contains terminal control bytes such as ANSI escape sequences, those bytes reach the terminal unchanged. Version 3.10.0 added a _safe_filename helper that sanitises the filenames printed by -f, -g, the colored match heading, and per-match lines, but the --show-types, -l/-L, and -c paths still emit the raw filename.\n\nA file whose name embeds cursor-movement or color escapes can overwrite or recolor earlier terminal output, or be passed unchanged to a downstream consumer.","state":"PUBLISHED","assigner":"CPANSec","published_at":"2026-07-08 15:16:27","updated_at":"2026-07-08 16:16:30"},"problem_types":["CWE-150","CWE-150 CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://metacpan.org/release/PETDANCE/ack-v3.10.0/source/Changes","name":"https://metacpan.org/release/PETDANCE/ack-v3.10.0/source/Changes","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-49147","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49147","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"PETDANCE","product":"App::Ack","version":"affected 3.10.0 custom","platforms":[]}],"timeline":[{"source":"CNA","time":"2026-06-07T00:00:00.000Z","lang":"en","value":"Version 3.10.0 released with partial fix for most output paths."}],"solutions":[{"source":"CNA","title":"","value":"Upgrade to a future ack release.","time":"","lang":"en"}],"workarounds":[{"source":"CNA","title":"","value":"Pipe ack output through a filter that strips terminal control characters when running ack over untrusted filenames.","time":"","lang":"en"}],"exploits":[],"credits":[{"source":"CNA","value":"Michał Majchrowicz (AFINE)","lang":"en"},{"source":"CNA","value":"Marcin Wyczechowski (AFINE)","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},{"other":{"content":{"id":"CVE-2026-49147","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-07-08T15:22:36.769783Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-07-08T15:22:39.294Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","packageName":"ack","product":"App::Ack","programFiles":["lib/App/Ack.pm","ack"],"programRoutines":[{"name":"App::Ack::show_types"},{"name":"file_loop_lL"},{"name":"file_loop_c"}],"repo":"https://github.com/beyondgrep/ack3","vendor":"PETDANCE","versions":[{"lessThanOrEqual":"3.10.0","status":"affected","version":"0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"Michał Majchrowicz (AFINE)"},{"lang":"en","type":"finder","value":"Marcin Wyczechowski (AFINE)"}],"descriptions":[{"lang":"en","value":"App::Ack versions through 3.10.0 for Perl print unsanitised terminal escape sequences from filenames in several output modes.\n\nWhen ack prints a filename whose basename contains terminal control bytes such as ANSI escape sequences, those bytes reach the terminal unchanged. 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Version 3.10.0 added a _safe_filename helper that sanitises the filenames printed by -f, -g, the colored match heading, and per-match lines, but the --show-types, -l/-L, and -c paths still emit the raw filename.\n\nA file whose name embeds cursor-movement or color escapes can overwrite or recolor earlier terminal output, or be passed unchanged to a downstream consumer.","Type":"Description","Title":"App::Ack versions through 3.10.0 for Perl print unsanitised term"}]}}}