213 lines
7.9 KiB
JSON
213 lines
7.9 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-2026-2703",
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"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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"state": "PUBLISHED",
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"assignerShortName": "VulDB",
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"dateReserved": "2026-02-18T17:59:02.756Z",
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"datePublished": "2026-02-19T04:02:10.794Z",
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"dateUpdated": "2026-02-24T01:40:43.838Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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"shortName": "VulDB",
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"dateUpdated": "2026-02-23T10:28:34.926Z"
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},
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"title": "xlnt-community xlnt Encrypted XLSX File base64.cpp decode_base64 off-by-one",
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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "CWE",
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"cweId": "CWE-193",
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"lang": "en",
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"description": "Off-by-One"
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}
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]
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},
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{
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"descriptions": [
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{
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"type": "CWE",
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"cweId": "CWE-189",
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"lang": "en",
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"description": "Numeric Error"
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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": "xlnt-community",
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"product": "xlnt",
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"versions": [
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{
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"version": "1.6.0",
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"status": "affected"
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},
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{
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"version": "1.6.1",
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"status": "affected"
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}
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],
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"modules": [
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"Encrypted XLSX File Parser"
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]
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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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"value": "A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::decode_base64 of the file source/detail/cryptography/base64.cpp of the component Encrypted XLSX File Parser. Executing a manipulation can lead to off-by-one. The attack requires local access. The exploit has been made available to the public and could be used for attacks. This patch is called f2d7bf494e5c52706843cf7eb9892821bffb0734. Applying a patch is advised to resolve this issue."
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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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"version": "4.0",
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"baseScore": 4.8,
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"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
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"baseSeverity": "MEDIUM"
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}
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},
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{
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"cvssV3_1": {
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"version": "3.1",
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"baseScore": 3.3,
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
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"baseSeverity": "LOW"
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}
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},
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{
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"cvssV3_0": {
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"version": "3.0",
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"baseScore": 3.3,
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"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
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"baseSeverity": "LOW"
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}
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},
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{
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"cvssV2_0": {
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"version": "2.0",
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"baseScore": 1.7,
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"vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C"
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}
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}
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],
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"timeline": [
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{
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"time": "2026-02-18T00:00:00.000Z",
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"lang": "en",
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"value": "Advisory disclosed"
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},
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{
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"time": "2026-02-18T01:00:00.000Z",
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"lang": "en",
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"value": "VulDB entry created"
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},
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{
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"time": "2026-02-18T19:04:11.000Z",
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"lang": "en",
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"value": "VulDB entry last update"
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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": "Oneafter (VulDB User)",
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"type": "reporter"
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}
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],
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"references": [
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{
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"url": "https://vuldb.com/?id.346649",
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"name": "VDB-346649 | xlnt-community xlnt Encrypted XLSX File base64.cpp decode_base64 off-by-one",
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"tags": [
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"vdb-entry",
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"technical-description"
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]
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},
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{
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"url": "https://vuldb.com/?ctiid.346649",
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"name": "VDB-346649 | CTI Indicators (IOB, IOC, IOA)",
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"tags": [
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"signature",
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"permissions-required"
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]
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},
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{
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"url": "https://vuldb.com/?submit.754377",
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"name": "Submit #754377 | xlnt-community xlnt 5606f5b Heap-based Buffer Overflow",
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"tags": [
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"third-party-advisory"
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]
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},
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{
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"url": "https://github.com/xlnt-community/xlnt/issues/137",
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"tags": [
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"issue-tracking"
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]
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},
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{
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"url": "https://github.com/oneafter/0128/blob/main/xl1/repro",
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"tags": [
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"exploit"
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]
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},
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{
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"url": "https://github.com/xlnt-community/xlnt/commit/f2d7bf494e5c52706843cf7eb9892821bffb0734",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://github.com/xlnt-community/xlnt/",
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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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"tags": [
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"x_open-source"
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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": "2026-02-24T01:40:32.932647Z",
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"id": "CVE-2026-2703",
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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": "2026-02-24T01:40:43.838Z"
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}
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}
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]
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}
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} |