234 lines
10 KiB
JSON
234 lines
10 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-2026-28807",
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"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"state": "PUBLISHED",
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"assignerShortName": "EEF",
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"dateReserved": "2026-03-03T14:40:00.590Z",
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"datePublished": "2026-03-10T21:34:47.859Z",
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"dateUpdated": "2026-04-06T16:44:07.589Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"collectionURL": "https://repo.hex.pm",
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"cpes": [
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"cpe:2.3:a:gleam-wisp:wisp:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"packageName": "wisp",
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"packageURL": "pkg:hex/wisp",
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"product": "wisp",
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"repo": "https://github.com/gleam-wisp/wisp",
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"vendor": "gleam-wisp",
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"versions": [
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{
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"lessThan": "2.2.1",
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"status": "affected",
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"version": "2.1.1",
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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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"collectionURL": "https://github.com",
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"cpes": [
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"cpe:2.3:a:gleam-wisp:wisp:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"packageName": "gleam-wisp/wisp",
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"packageURL": "pkg:github/gleam-wisp/wisp",
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"product": "wisp",
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"repo": "https://github.com/gleam-wisp/wisp.git",
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"vendor": "gleam-wisp",
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"versions": [
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{
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"lessThan": "161118c431047f7ef1ff7cabfcc38981877fdd93",
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"status": "affected",
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"version": "129dcb1fe10ab1e676145d91477535e1c90ab550",
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"versionType": "git"
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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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"cpeMatch": [
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{
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"criteria": "cpe:2.3:a:gleam-wisp:wisp:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "2.2.1",
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"versionStartIncluding": "2.1.1",
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"vulnerable": true
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}
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],
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"negate": false,
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"operator": "OR"
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}
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],
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"operator": "AND"
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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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"type": "finder",
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"value": "John Downey"
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},
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{
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"lang": "en",
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"type": "remediation developer",
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"value": "Louis Pilfold"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in gleam-wisp wisp allows arbitrary file read via percent-encoded path traversal.<p>The <tt>wisp.serve_static</tt> function is vulnerable to path traversal because sanitization runs before percent-decoding. The encoded sequence <tt>%2e%2e</tt> passes through <tt>string.replace</tt> unchanged, then <tt>uri.percent_decode</tt> converts it to <tt>..</tt>, which the OS resolves as directory traversal when the file is read.</p><p>An unauthenticated attacker can read any file readable by the application process in a single HTTP request, including application source code, configuration files, secrets, and system files.</p><p>This issue affects wisp: from 2.1.1 before 2.2.1.</p>"
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}
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],
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"value": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in gleam-wisp wisp allows arbitrary file read via percent-encoded path traversal.\n\nThe wisp.serve_static function is vulnerable to path traversal because sanitization runs before percent-decoding. The encoded sequence %2e%2e passes through string.replace unchanged, then uri.percent_decode converts it to .., which the OS resolves as directory traversal when the file is read.\n\nAn unauthenticated attacker can read any file readable by the application process in a single HTTP request, including application source code, configuration files, secrets, and system files.\n\nThis issue affects wisp: from 2.1.1 before 2.2.1."
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-139",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-139 Relative Path Traversal"
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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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"cvssV4_0": {
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"attackVector": "NETWORK",
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"baseScore": 8.7,
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"baseSeverity": "HIGH",
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"exploitMaturity": "NOT_DEFINED",
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"privilegesRequired": "NONE",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "NONE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "NONE",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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},
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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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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"cweId": "CWE-22",
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"description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
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"lang": "en",
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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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"providerMetadata": {
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"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"shortName": "EEF",
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"dateUpdated": "2026-04-06T16:44:07.589Z"
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},
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"references": [
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{
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"tags": [
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"vendor-advisory",
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"related"
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],
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"url": "https://github.com/gleam-wisp/wisp/security/advisories/GHSA-h7cj-j2vv-qw8r"
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},
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{
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"tags": [
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"related"
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],
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"url": "https://cna.erlef.org/cves/CVE-2026-28807.html"
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},
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{
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"tags": [
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"related"
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],
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"url": "https://osv.dev/vulnerability/EEF-CVE-2026-28807"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/gleam-wisp/wisp/commit/161118c431047f7ef1ff7cabfcc38981877fdd93"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"title": "Path Traversal in wisp.serve_static allows arbitrary file read",
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"x_generator": {
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"engine": "Vulnogram 1.0.0"
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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": "2026-03-11T14:20:19.768057Z",
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"id": "CVE-2026-28807",
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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": "yes"
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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": "2026-03-11T14:20:59.654Z"
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}
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}
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]
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}
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} |