{"id":"https://openalex.org/W7153707174","doi":"https://doi.org/10.1145/3772363.3798860","title":"Your Permission Leaks My Data: Second-Hand Privacy Harms in LLM Agents","display_name":"Your Permission Leaks My Data: Second-Hand Privacy Harms in LLM Agents","publication_year":2026,"publication_date":"2026-04-13","ids":{"openalex":"https://openalex.org/W7153707174","doi":"https://doi.org/10.1145/3772363.3798860"},"language":null,"primary_location":{"id":"doi:10.1145/3772363.3798860","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3772363.3798860","pdf_url":null,"source":null,"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Extended Abstracts of the 2026 CHI Conference on Human Factors in Computing Systems","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1145/3772363.3798860","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100333884","display_name":"Minjung Kim","orcid":"https://orcid.org/0000-0002-1732-3418"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Minje Kim","raw_affiliation_strings":["Yonsei University, Seoul, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Yonsei University, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5133465296","display_name":"Keeheon Lee","orcid":"https://orcid.org/0000-0002-3291-5753"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Keeheon Lee","raw_affiliation_strings":["Yonsei University, Seoul, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Yonsei University, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I193775966"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5100333884"],"corresponding_institution_ids":["https://openalex.org/I193775966"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.93669677,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"10"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.15080000460147858,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.15080000460147858,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.1274999976158142,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11045","display_name":"Privacy, Security, and Data Protection","score":0.05810000002384186,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/permission","display_name":"Permission","score":0.6933000087738037},{"id":"https://openalex.org/keywords/confidentiality","display_name":"Confidentiality","score":0.38989999890327454},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.3862000107765198},{"id":"https://openalex.org/keywords/patient-privacy","display_name":"Patient privacy","score":0.3301999866962433},{"id":"https://openalex.org/keywords/government","display_name":"Government (linguistics)","score":0.27079999446868896}],"concepts":[{"id":"https://openalex.org/C2779089604","wikidata":"https://www.wikidata.org/wiki/Q7169333","display_name":"Permission","level":2,"score":0.6933000087738037},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.6263999938964844},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.45980000495910645},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.4487000107765198},{"id":"https://openalex.org/C71745522","wikidata":"https://www.wikidata.org/wiki/Q2476929","display_name":"Confidentiality","level":2,"score":0.38989999890327454},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.3862000107765198},{"id":"https://openalex.org/C2910417920","wikidata":"https://www.wikidata.org/wiki/Q4116434","display_name":"Patient privacy","level":3,"score":0.3301999866962433},{"id":"https://openalex.org/C2778137410","wikidata":"https://www.wikidata.org/wiki/Q2732820","display_name":"Government (linguistics)","level":2,"score":0.27079999446868896},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.2662999927997589},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.25679999589920044},{"id":"https://openalex.org/C133462117","wikidata":"https://www.wikidata.org/wiki/Q4929239","display_name":"Data collection","level":2,"score":0.25099998712539673}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3772363.3798860","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3772363.3798860","pdf_url":null,"source":null,"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Extended Abstracts of the 2026 CHI Conference on Human Factors in Computing Systems","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3772363.3798860","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3772363.3798860","pdf_url":null,"source":null,"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Extended Abstracts of the 2026 CHI Conference on Human Factors in Computing Systems","raw_type":"proceedings-article"},"sustainable_development_goals":[{"score":0.4165932238101959,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W153069569","https://openalex.org/W2033811191","https://openalex.org/W2085106103","https://openalex.org/W2135930857","https://openalex.org/W2261525379","https://openalex.org/W2914972854","https://openalex.org/W2973890672","https://openalex.org/W3046764764","https://openalex.org/W3110516943","https://openalex.org/W4393065402","https://openalex.org/W4396920308","https://openalex.org/W4399177300","https://openalex.org/W4400118952","https://openalex.org/W4401110270","https://openalex.org/W4402846895","https://openalex.org/W4409720752","https://openalex.org/W4410987468","https://openalex.org/W4414687920","https://openalex.org/W4416574703"],"related_works":[],"abstract_inverted_index":{"Large":[0],"Language":[1],"Model":[2],"(LLM)-based":[3],"personal":[4,147],"agents":[5,20],"are":[6,120],"becoming":[7],"everyday":[8],"tools,":[9],"helping":[10],"users":[11],"manage":[12],"messages,":[13],"email,":[14],"calendars,":[15],"and":[16,39,67,83,89,107,125],"documents.":[17],"As":[18],"these":[19],"gain":[21],"broader":[22],"permissions,":[23],"they":[24],"not":[25,122],"only":[26],"process":[27],"the":[28],"user\u2019s":[29,49],"information":[30],"but":[31],"also":[32],"access":[33,127],"sensitive":[34],"traces":[35],"about":[36,54],"friends,":[37],"colleagues,":[38],"family":[40],"in":[41,102,146],"communication.":[42],"This":[43],"creates":[44],"second-hand":[45,69],"privacy":[46,70],"harm:":[47],"a":[48,63,139],"permissions":[50],"enable":[51],"unintended":[52],"inference":[53,65],"non-consenting":[55],"third":[56],"parties.":[57],"We":[58],"study":[59],"this":[60],"externality":[61],"under":[62],"permission-scoped":[64],"setting":[66],"introduce":[68],"(2HP),":[71],"an":[72,103],"evidence-grounded":[73],"metric":[74],"that":[75,114],"quantifies":[76],"leakage":[77,129],"using":[78],"prediction":[79],"accuracy,":[80],"model":[81],"confidence,":[82],"cited":[84],"traces,":[85],"with":[86],"sensitivity-weighted":[87],"attributes":[88],"penalties":[90],"for":[91,142],"unsupported":[92],"claims.":[93],"To":[94],"avoid":[95],"auditing":[96],"real":[97],"corpora,":[98],"we":[99],"evaluate":[100],"2HP":[101],"LLM-simulated":[104],"multi-channel":[105],"ecosystem":[106],"test":[108],"all":[109],"permission":[110,136],"subsets.":[111],"Results":[112],"show":[113],"exposure":[115,145],"depends":[116],"on":[117],"which":[118],"channels":[119],"granted,":[121],"how":[123],"many,":[124],"cross-channel":[126],"amplifies":[128],"via":[130],"evidence":[131],"stitching.":[132],"These":[133],"findings":[134],"position":[135],"design":[137],"as":[138],"key":[140],"lever":[141],"reducing":[143],"relational":[144],"agent":[148],"ecosystems.":[149]},"counts_by_year":[],"updated_date":"2026-04-14T06:02:45.956762","created_date":"2026-04-13T00:00:00"}
