{"id":"EUVD-2026-29322","revision":null,"records":[{"revision":"8594a2b780f2491993a6b746726847dd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-43893","aliases":[],"title":"exiftool-vendored: Argument injection via newline characters in tag names","description":"exiftool-vendored provides cross-platform Node.js access to ExifTool. Prior to 35.19.0, exiftool-vendored starts ExifTool in -stay_open True -@ - mode, where arguments are read from stdin one per line. In affected versions, several caller-supplied strings were interpolated into ExifTool arguments without rejecting line delimiters. A newline or carriage return inside one of those strings could split a single intended argument into multiple ExifTool arguments, allowing argument injection. The fix also rejects NUL bytes as unsafe control characters. Applications that pass attacker-controlled strings to affected APIs may allow an attacker to make ExifTool read files accessible to the ExifTool process, or write output to attacker-chosen file system paths accessible to that process. No remote code execution has been demonstrated. This vulnerability is fixed in 35.19.0.","state":0,"publishedAt":"2026-05-11T20:59:14.56+00:00","modifiedAt":"2026-05-12T12:54:40.823+00:00","affected":[{"ecosystem":"Vendor product","name":"exiftool-vendored.js","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"photostructure\",\n                    \"product\": \"exiftool-vendored.js\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 35.19.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","score":8.2,"severity":"HIGH"}],"references":["https://github.com/photostructure/exiftool-vendored.js/security/advisories/GHSA-cw26-7653-2rp5"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43893","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-43893","identifiers":["CVE-2026-43893"]},"retained":false,"historicalAffected":[]},{"revision":"404c3efd48de434da6f1805f4c565c7b","observedAt":"2026-11-07T09:37:13.386+00:00","statement":{"source":"euvd","id":"EUVD-2026-29322","aliases":["CVE-2026-43893","GHSA-cw26-7653-2rp5"],"title":"exiftool-vendored provides cross-platform Node.js access to ExifTool. Prior to 35.19.0, exiftool-vendored starts ExifTool in -stay_open True -@ - mode, where arguments are read from stdin one per line. In affected versions, several caller-s…","description":"exiftool-vendored provides cross-platform Node.js access to ExifTool. Prior to 35.19.0, exiftool-vendored starts ExifTool in -stay_open True -@ - mode, where arguments are read from stdin one per line. In affected versions, several caller-supplied strings were interpolated into ExifTool arguments without rejecting line delimiters. A newline or carriage return inside one of those strings could split a single intended argument into multiple ExifTool arguments, allowing argument injection. The fix also rejects NUL bytes as unsafe control characters. Applications that pass attacker-controlled strings to affected APIs may allow an attacker to make ExifTool read files accessible to the ExifTool process, or write output to attacker-chosen file system paths accessible to that process. No remote code execution has been demonstrated. This vulnerability is fixed in 35.19.0.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","score":8.2,"severity":null}],"references":["https://github.com/photostructure/exiftool-vendored.js/security/advisories/GHSA-cw26-7653-2rp5"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-29322","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"May 11, 2026, 8:59:14 PM","dateUpdated":"May 12, 2026, 12:54:40 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-29322","identifiers":["EUVD-2026-29322","CVE-2026-43893","GHSA-cw26-7653-2rp5"]},"retained":false,"historicalAffected":[]},{"revision":"12048b29573b44e79a0c372aad19d1e8","observedAt":"2026-10-27T11:12:04.713+00:00","statement":{"source":"nvd","id":"CVE-2026-43893","aliases":[],"title":"exiftool-vendored provides cross-platform Node.js access to ExifTool. Prior to 35.19.0, exiftool-vendored starts ExifTool in -stay_open True -@ - mode, where arguments are read from stdin one per line. In affected versions, several caller-s…","description":"exiftool-vendored provides cross-platform Node.js access to ExifTool. Prior to 35.19.0, exiftool-vendored starts ExifTool in -stay_open True -@ - mode, where arguments are read from stdin one per line. In affected versions, several caller-supplied strings were interpolated into ExifTool arguments without rejecting line delimiters. A newline or carriage return inside one of those strings could split a single intended argument into multiple ExifTool arguments, allowing argument injection. The fix also rejects NUL bytes as unsafe control characters. Applications that pass attacker-controlled strings to affected APIs may allow an attacker to make ExifTool read files accessible to the ExifTool process, or write output to attacker-chosen file system paths accessible to that process. No remote code execution has been demonstrated. This vulnerability is fixed in 35.19.0.","state":0,"publishedAt":"2026-05-11T22:22:14.033+00:00","modifiedAt":"2026-10-26T18:10:00.173+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","score":8.2,"severity":"HIGH"}],"references":["https://github.com/photostructure/exiftool-vendored.js/security/advisories/GHSA-cw26-7653-2rp5"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-43893","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-88"],"productCriteria":[],"sourceDates":{"published":"2026-05-11T22:22:14.033","lastModified":"2026-10-26T18:10:00.173"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-43893","identifiers":["CVE-2026-43893"]},"retained":false,"historicalAffected":[]},{"revision":"996d0a72766d48b29351cbe668fffeec","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-cw26-7653-2rp5","aliases":["CVE-2026-43893"],"title":"exiftool-vendored vulnerable to argument injection via newline characters in tag names","description":"### Impact\n\n`exiftool-vendored` starts ExifTool in `-stay_open True -@ -` mode, where arguments are read from stdin one per line. In affected versions, several caller-supplied strings were interpolated into ExifTool arguments without rejecting line delimiters. A newline or carriage return inside one of those strings could split a single intended argument into multiple ExifTool arguments, allowing argument injection. The fix also rejects NUL bytes as unsafe control characters.\n\nApplications that pass attacker-controlled strings to affected APIs may allow an attacker to make ExifTool read files accessible to the ExifTool process, or write output to attacker-chosen file system paths accessible to that process. No remote code execution has been demonstrated.\n\nThe reported write-path issue is caused by unsanitized tag **keys**. Tag **values** passed to `ExifTool#write` are not affected, because `WriteTask` already encodes whitespace characters in values (e.g. `\\n` -> `&#10;`) before transmission.\n\nConfirmed affected inputs:\n\n- **Tag-name arguments / tag keys** — keys of the `tags` object passed to `ExifTool#write`; entries of the `retain` option to `ExifTool#deleteAllTags`; entries of the `numericTags` option to `ExifTool#read`; the `tagname` argument to `ExifTool#extractBinaryTag` and `#extractBinaryTagToBuffer`.\n- **Filename / path arguments** to `ExifTool#write`, `#read`, `#readRaw`, `#deleteAllTags`, `#rewriteAllTags`, `#extractBinaryTag`, `#extractBinaryTagToBuffer`, and the binary-extraction convenience methods `#extractJpgFromRaw`, `#extractPreview`, and `#extractThumbnail`. `path.resolve()` does not strip newlines, so an application that accepts attacker-controlled filenames containing newline characters was vulnerable.\n- **The `imageHashType` option** to `ExifTool#read`. TypeScript types restrict this to a literal union, but JS callers or callers with weakened type checking could reach the sink.\n\nApplications that only pass hardcoded strings for tag names, options, and filenames are not affected.\n\n### Patches\n\nFixed in **v35.19.0**. Two layers of defense:\n\n1. **Per-site input validation.** A new `validateTagName` helper rejects any tag-name string containing characters outside the ExifTool tag grammar (letters, digits, `:`, `-`, `_`, and the ExifTool modifiers `*`, `?`, `+`, `#`). Applied at every tag-name interpolation site.\n2. **Defense-in-depth at the command renderer.** `ExifToolTask.renderCommand` now rejects _any_ argument containing `\\r`, `\\n`, or `\\0` before it is sent to the ExifTool process. This catches injection via filename arguments, option values, and any future interpolation site that forgets the per-site validator.\n\n### Workarounds\n\nUpgrade to v35.19.0 or later.\n\nIf upgrading immediately is not possible, reject untrusted strings containing control characters before passing them to the affected APIs. Conservative guard:\n\n```ts\nfunction assertSafeForExifTool(s: string): void {\n  if (typeof s !== \"string\" || /[\\x00-\\x20=<>]/.test(s)) {\n    throw new Error(\"Rejected unsafe string for ExifTool\");\n  }\n}\n```\n\nApply to tag names, `retain` / `numericTags` entries, binary-extraction tag names, filenames, and the `imageHashType` option. This is a denylist and is strictly weaker than the library's internal validator; it is sufficient to block the known PoCs but will accept strings that the library itself now rejects.\n\n### Resources\n\n- ExifTool `-stay_open` / argument-file documentation: https://exiftool.org/exiftool_pod.html#stay_open-FLAG\n- ExifTool tag-name reference: https://exiftool.org/TagNames/\n- CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') — https://cwe.mitre.org/data/definitions/88.html\n\n### Credit\n\n- Reporter: Hank Tam\n- Affiliation: Independent","state":0,"publishedAt":"2026-05-05T19:53:47+00:00","modifiedAt":"2026-05-13T14:34:31.40722+00:00","affected":[{"ecosystem":"npm","name":"exiftool-vendored","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"35.19.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/photostructure/exiftool-vendored.js/security/advisories/GHSA-cw26-7653-2rp5","https://nvd.nist.gov/vuln/detail/CVE-2026-43893","https://exiftool.org/TagNames","https://exiftool.org/exiftool_pod.html#stay_open-FLAG","https://github.com/photostructure/exiftool-vendored.js"],"sourceUrl":"https://github.com/advisories/GHSA-cw26-7653-2rp5","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-cw26-7653-2rp5","identifiers":["GHSA-cw26-7653-2rp5","CVE-2026-43893"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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