{"id":"CVE-2026-49147","state":"PUBLISHED","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.","publishedAt":"2026-07-08T14:55:50.232Z","updatedAt":"2026-07-08T17:31:34.336Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"CPANSec","products":["PETDANCE App::Ack"],"affected":[{"vendor":"PETDANCE","product":"App::Ack","packageName":"ack","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.10.0","versionType":"custom"}],"collectionURL":"https://cpan.org/modules","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"}],"references":["https://metacpan.org/release/PETDANCE/ack-v3.10.0/source/Changes","http://www.openwall.com/lists/oss-security/2026/07/08/9"],"weaknesses":["CWE-150"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/49xxx/CVE-2026-49147.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-49147","state":"PUBLISHED","datePublished":"2026-07-08T14:55:50.232Z","dateUpdated":"2026-07-08T17:31:34.336Z","assignerShortName":"CPANSec","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","dateReserved":"2026-05-27T17:50:04.538Z"},"containers":{"cna":{"title":"App::Ack versions through 3.10.0 for Perl print unsanitised terminal escape sequences from filenames in several output modes","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. 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."}],"affected":[{"vendor":"PETDANCE","product":"App::Ack","packageName":"ack","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.10.0","versionType":"custom"}],"collectionURL":"https://cpan.org/modules","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"}],"references":[{"url":"https://metacpan.org/release/PETDANCE/ack-v3.10.0/source/Changes","tags":["release-notes"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-150","description":"CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"CPANSec","orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","dateUpdated":"2026-07-08T14:55:50.232Z"},"credits":[{"lang":"en","type":"finder","value":"Michał Majchrowicz (AFINE)"},{"lang":"en","type":"finder","value":"Marcin Wyczechowski (AFINE)"}],"solutions":[{"lang":"en","value":"Upgrade to a future ack release."}],"source":{"discovery":"UNKNOWN"},"timeline":[{"lang":"en","time":"2026-06-07T00:00:00.000Z","value":"Version 3.10.0 released with partial fix for most output paths."}],"workarounds":[{"lang":"en","value":"Pipe ack output through a filter that strips terminal control characters when running ack over untrusted filenames."}],"x_generator":{"engine":"cpansec-cna-tool 0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-07-08T15:22:36.769783Z","id":"CVE-2026-49147","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-08T15:22:39.294Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/07/08/9"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-07-08T17:31:34.336Z"}}]}}}