189 lines
7.6 KiB
JSON
189 lines
7.6 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-78209",
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"state": "PUBLISHED",
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"assignerShortName": "VulnCheck",
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"dateReserved": "2026-08-24T00:15:01.656Z",
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"datePublished": "2026-08-24T00:30:48.493Z",
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"dateUpdated": "2026-11-08T14:09:05.226Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"shortName": "VulnCheck",
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"dateUpdated": "2026-11-08T14:09:05.226Z"
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},
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"datePublic": "2026-08-23T00:00:00.000Z",
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"title": "exceljs through 4.4.0 CSV Formula Injection via Unescaped Cell Values",
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"descriptions": [
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{
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"lang": "en",
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"value": "exceljs through 4.4.0 fails to neutralize leading equals, plus, minus, or at signs in cell values written to CSV output. Attackers who can influence exported cell values can inject formulas that execute when the CSV file is opened in a spreadsheet application, potentially exfiltrating data or performing other malicious actions."
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"description": "Improper Neutralization of Formula Elements in a CSV File",
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"cweId": "CWE-1236",
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"type": "CWE"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "exceljs",
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"product": "exceljs",
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"collectionURL": "https://www.npmjs.com/package/exceljs",
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"packageName": "exceljs",
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"packageURL": "pkg:npm/exceljs",
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"defaultStatus": "unaffected",
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"versions": [
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{
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"version": "0",
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"lessThanOrEqual": "4.4.0",
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"status": "affected",
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"versionType": "semver"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:exceljs_project:exceljs:*:*:*:*:*:*:*:*",
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"versionEndIncluding": "4.4.0"
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}
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]
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}
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]
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"cvssV4_0": {
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"version": "4.0",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "PASSIVE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "LOW",
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"vulnAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "HIGH",
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"subIntegrityImpact": "LOW",
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"subAvailabilityImpact": "NONE",
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"baseScore": 8.4,
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"baseSeverity": "HIGH"
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}
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},
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{
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"format": "CVSS",
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "REQUIRED",
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"scope": "CHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "LOW",
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"availabilityImpact": "NONE",
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"baseScore": 8.2,
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"baseSeverity": "HIGH"
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}
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}
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],
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"references": [
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{
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"url": "https://github.com/exceljs/exceljs",
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"tags": [
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"product"
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]
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},
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{
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"url": "https://github.com/mateocallec/exceljs-hardened/security/advisories/GHSA-9wxc-4rhw-hfrw",
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"name": "GitHub Security Advisory (GHSA-9wxc-4rhw-hfrw)",
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"tags": [
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"third-party-advisory",
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"vendor-advisory"
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]
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},
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{
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"url": "https://github.com/exceljs/exceljs/blob/v4.4.0/lib/csv/csv.js#L109-L182",
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"tags": [
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"technical-description"
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]
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},
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{
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"name": "VulnCheck Advisory: exceljs through 4.4.0 CSV Formula Injection via Unescaped Cell Values",
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"tags": [
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"third-party-advisory"
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],
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"url": "https://www.vulncheck.com/advisories/exceljs-through-csv-formula-injection-via-unescaped-cell-values"
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Matéo Florian Callec",
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"type": "finder"
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}
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],
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"x_generator": {
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"engine": "vulncheck-endgame"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-08-24T18:02:14.458123Z",
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"id": "CVE-2026-78209",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-08-24T18:02:29.223Z"
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}
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}
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]
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}
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} |