{"id":"https://openalex.org/W7165671922","doi":"https://doi.org/10.48550/arxiv.2606.23217","title":"MuPPET: A Benchmark for Contextual Privacy of LLM Assistants in Multi-Party Conversations","display_name":"MuPPET: A Benchmark for Contextual Privacy of LLM Assistants in Multi-Party Conversations","publication_year":2026,"publication_date":"2026-06-22","ids":{"openalex":"https://openalex.org/W7165671922","doi":"https://doi.org/10.48550/arxiv.2606.23217"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2606.23217","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.23217","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2606.23217","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5069914401","display_name":"Elena Sofia Ruzzetti","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ruzzetti, Elena Sofia","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005232344","display_name":"Cornelius Emde","orcid":"https://orcid.org/0000-0003-0348-6109"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Emde, Cornelius","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003220288","display_name":"Sangdoo Yun","orcid":"https://orcid.org/0000-0002-0417-8450"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yun, Sangdoo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107894055","display_name":"S H Oh","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Oh, Seong Joon","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5058150999","display_name":"Martin Gubri","orcid":"https://orcid.org/0000-0001-6744-6662"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Gubri, Martin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.680899977684021,"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":0.680899977684021,"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":0.05169999971985817,"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"}},{"id":"https://openalex.org/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":0.04560000076889992,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.6718999743461609},{"id":"https://openalex.org/keywords/private-information-retrieval","display_name":"Private information retrieval","score":0.5654000043869019},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.5335999727249146},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.4765999913215637},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.4496000111103058},{"id":"https://openalex.org/keywords/personally-identifiable-information","display_name":"Personally identifiable information","score":0.41920000314712524},{"id":"https://openalex.org/keywords/patient-privacy","display_name":"Patient privacy","score":0.4113999903202057},{"id":"https://openalex.org/keywords/privacy-protection","display_name":"Privacy protection","score":0.3785000145435333},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.3596999943256378}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7064999938011169},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.6718999743461609},{"id":"https://openalex.org/C99221444","wikidata":"https://www.wikidata.org/wiki/Q1532069","display_name":"Private information retrieval","level":2,"score":0.5654000043869019},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.539900004863739},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.5335999727249146},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5073000192642212},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.4765999913215637},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.4496000111103058},{"id":"https://openalex.org/C169093310","wikidata":"https://www.wikidata.org/wiki/Q3702971","display_name":"Personally identifiable information","level":2,"score":0.41920000314712524},{"id":"https://openalex.org/C2910417920","wikidata":"https://www.wikidata.org/wiki/Q4116434","display_name":"Patient privacy","level":3,"score":0.4113999903202057},{"id":"https://openalex.org/C3017597292","wikidata":"https://www.wikidata.org/wiki/Q25052250","display_name":"Privacy protection","level":2,"score":0.3785000145435333},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.3596999943256378},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.35190001130104065},{"id":"https://openalex.org/C23130292","wikidata":"https://www.wikidata.org/wiki/Q5275358","display_name":"Differential privacy","level":2,"score":0.33410000801086426},{"id":"https://openalex.org/C136197465","wikidata":"https://www.wikidata.org/wiki/Q1729295","display_name":"Variety (cybernetics)","level":2,"score":0.33160001039505005},{"id":"https://openalex.org/C509729295","wikidata":"https://www.wikidata.org/wiki/Q7246032","display_name":"Privacy software","level":3,"score":0.3228999972343445},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.29739999771118164},{"id":"https://openalex.org/C193934123","wikidata":"https://www.wikidata.org/wiki/Q7246028","display_name":"Privacy by Design","level":3,"score":0.29269999265670776},{"id":"https://openalex.org/C137822555","wikidata":"https://www.wikidata.org/wiki/Q2587068","display_name":"Information sensitivity","level":2,"score":0.290800005197525},{"id":"https://openalex.org/C102938260","wikidata":"https://www.wikidata.org/wiki/Q1999831","display_name":"Privacy policy","level":3,"score":0.27959999442100525},{"id":"https://openalex.org/C71611378","wikidata":"https://www.wikidata.org/wiki/Q5165191","display_name":"Contextual design","level":3,"score":0.2750999927520752},{"id":"https://openalex.org/C140547941","wikidata":"https://www.wikidata.org/wiki/Q7797194","display_name":"Threat model","level":2,"score":0.25609999895095825},{"id":"https://openalex.org/C2777267654","wikidata":"https://www.wikidata.org/wiki/Q3519023","display_name":"Test (biology)","level":2,"score":0.2549000084400177},{"id":"https://openalex.org/C86251818","wikidata":"https://www.wikidata.org/wiki/Q816754","display_name":"Benchmarking","level":2,"score":0.2542000114917755},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.2517000138759613}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2606.23217","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.23217","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2606.23217","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.23217","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.6254120469093323,"display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"LLM":[0],"agents":[1],"are":[2,109],"increasingly":[3],"deployed":[4],"in":[5,19,44,59,89,100],"multi-party":[6,73,90,101],"environments,":[7],"handling":[8],"sensitive":[9,121],"personal":[10],"data":[11],"on":[12],"behalf":[13],"of":[14,50],"individual":[15],"users,":[16],"for":[17,56,86,117],"instance":[18],"group":[20,32],"chats.":[21],"When":[22],"such":[23],"an":[24],"agent":[25],"discloses":[26],"private":[27,51],"information,":[28],"it":[29],"reaches":[30],"every":[31,48,57],"member":[33],"at":[34],"once.":[35],"This":[36],"risk":[37],"is":[38],"structurally":[39],"harder":[40],"to":[41],"control":[42],"than":[43,103],"one-to-one":[45,104],"settings,":[46,71],"as":[47],"piece":[49],"information":[52],"must":[53],"be":[54],"appropriate":[55],"recipient":[58],"the":[60,140],"group.":[61],"Yet":[62],"all":[63],"existing":[64],"contextual":[65,87,127],"privacy":[66,74,88,128],"benchmarks":[67],"consider":[68],"only":[69,131],"single-interlocutor":[70],"leaving":[72],"risks":[75],"unmeasured.":[76],"We":[77],"introduce":[78],"MuPPET":[79],"(Multi-Party":[80],"Privacy":[81],"Exposure":[82],"Testing),":[83],"a":[84],"benchmark":[85],"conversations.":[91],"Our":[92],"experiments":[93],"show":[94],"that":[95],"models":[96,108],"leak":[97],"substantially":[98],"more":[99,124],"settings":[102],"evaluations":[105],"suggest.":[106],"Frontier":[107],"vulnerable,":[110],"and":[111,136],"smaller":[112],"open-weights":[113],"models,":[114],"often":[115],"preferred":[116],"local":[118],"deployment":[119],"with":[120],"data,":[122],"even":[123],"so.":[125],"Existing":[126],"defences":[129],"offer":[130],"partial":[132],"protection,":[133],"degrade":[134],"utility,":[135],"do":[137],"not":[138],"resolve":[139],"underlying":[141],"party-tracking":[142],"problem.":[143]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-06-24T00:00:00"}