{"id":"https://openalex.org/W7135170705","doi":"https://doi.org/10.48550/arxiv.2603.11132","title":"WebWeaver: Breaking Topology Confidentiality in LLM Multi-Agent Systems with Stealthy Context-Based Inference","display_name":"WebWeaver: Breaking Topology Confidentiality in LLM Multi-Agent Systems with Stealthy Context-Based Inference","publication_year":2026,"publication_date":"2026-03-11","ids":{"openalex":"https://openalex.org/W7135170705","doi":"https://doi.org/10.48550/arxiv.2603.11132"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2603.11132","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.11132","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":null,"license_id":null,"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.2603.11132","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5110940725","display_name":"Zixun Xiong","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xiong, Zixun","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128948825","display_name":"Gaoyi Wu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wu, Gaoyi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007599755","display_name":"Lingfeng Yao","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yao, Lingfeng","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128926922","display_name":"Miao Pan","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Pan, Miao","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128922460","display_name":"Xiaojiang Du","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Du, Xiaojiang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5100446031","display_name":"Hao Wang","orcid":"https://orcid.org/0000-0001-6489-6940"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Hao","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":0.34610000252723694,"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":0.34610000252723694,"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/T11689","display_name":"Adversarial Robustness in Machine Learning","score":0.2513999938964844,"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/T11273","display_name":"Advanced Graph Neural Networks","score":0.09139999747276306,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/inference","display_name":"Inference","score":0.6029000282287598},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.5784000158309937},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.5392000079154968},{"id":"https://openalex.org/keywords/covert","display_name":"Covert","score":0.5289999842643738},{"id":"https://openalex.org/keywords/confidentiality","display_name":"Confidentiality","score":0.5264999866485596},{"id":"https://openalex.org/keywords/property","display_name":"Property (philosophy)","score":0.4406000077724457},{"id":"https://openalex.org/keywords/multi-agent-system","display_name":"Multi-agent system","score":0.4018999934196472},{"id":"https://openalex.org/keywords/masking","display_name":"Masking (illustration)","score":0.37720000743865967}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.737500011920929},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.6029000282287598},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.5784000158309937},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.5392000079154968},{"id":"https://openalex.org/C2779338814","wikidata":"https://www.wikidata.org/wiki/Q5179285","display_name":"Covert","level":2,"score":0.5289999842643738},{"id":"https://openalex.org/C71745522","wikidata":"https://www.wikidata.org/wiki/Q2476929","display_name":"Confidentiality","level":2,"score":0.5264999866485596},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.4456000030040741},{"id":"https://openalex.org/C189950617","wikidata":"https://www.wikidata.org/wiki/Q937228","display_name":"Property (philosophy)","level":2,"score":0.4406000077724457},{"id":"https://openalex.org/C41550386","wikidata":"https://www.wikidata.org/wiki/Q529909","display_name":"Multi-agent system","level":2,"score":0.4018999934196472},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.392300009727478},{"id":"https://openalex.org/C2777402240","wikidata":"https://www.wikidata.org/wiki/Q6783436","display_name":"Masking (illustration)","level":2,"score":0.37720000743865967},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.37560001015663147},{"id":"https://openalex.org/C2778355321","wikidata":"https://www.wikidata.org/wiki/Q17079427","display_name":"Identity (music)","level":2,"score":0.3495999872684479},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.3353999853134155},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.30869999527931213},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.2768000066280365},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.27630001306533813},{"id":"https://openalex.org/C2781251061","wikidata":"https://www.wikidata.org/wiki/Q5416089","display_name":"Evasion (ethics)","level":3,"score":0.27559998631477356},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.2745000123977661},{"id":"https://openalex.org/C199845137","wikidata":"https://www.wikidata.org/wiki/Q145490","display_name":"Network topology","level":2,"score":0.2621000111103058}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2603.11132","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.11132","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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2603.11132","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.11132","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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[{"score":0.8198637962341309,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Communication":[0],"topology":[1,29,86,154],"is":[2],"a":[3,18,57,90,119,125,140,148],"critical":[4],"factor":[5],"in":[6,143],"the":[7,39,64,83,96],"utility":[8],"and":[9,42,124],"safety":[10],"of":[11,67,95,160],"LLM-based":[12],"multi-agent":[13],"systems":[14],"(LLM-MAS),":[15],"making":[16],"it":[17],"high-value":[19],"intellectual":[20],"property":[21],"(IP)":[22],"whose":[23],"confidentiality":[24],"remains":[25],"insufficiently":[26],"studied.":[27],"Existing":[28],"inference":[30,145,176],"attempts":[31],"rely":[32],"on":[33,105],"impractical":[34],"assumptions,":[35],"including":[36],"control":[37],"over":[38],"administrative":[40,97],"agent":[41,93,106,110],"direct":[43],"identity":[44],"queries":[45],"via":[46],"jailbreaks,":[47],"which":[48],"are":[49],"easily":[50],"defeated":[51],"by":[52,87,146],"basic":[53],"keyword-based":[54],"defenses.":[55],"As":[56],"result,":[58],"prior":[59,100],"analyses":[60],"fail":[61],"to":[62,131],"capture":[63],"real-world":[65],"threat":[66],"such":[68],"attacks.":[69],"To":[70],"bridge":[71],"this":[72],"realism":[73],"gap,":[74],"we":[75,138],"propose":[76],"\\textit{WebWeaver},":[77],"an":[78],"attack":[79],"framework":[80],"that":[81,151,165],"infers":[82],"complete":[84],"LLM-MAS":[85],"compromising":[88],"only":[89],"single":[91],"arbitrary":[92],"instead":[94],"agent.":[98],"Unlike":[99],"approaches,":[101],"WebWeaver":[102,116,166],"relies":[103],"solely":[104],"contexts":[107],"rather":[108],"than":[109],"IDs,":[111],"enabling":[112],"significantly":[113],"stealthier":[114],"inference.":[115],"further":[117],"introduces":[118],"new":[120],"covert":[121],"jailbreak-based":[122],"mechanism":[123],"novel":[126],"fully":[127],"jailbreak-free":[128],"diffusion":[129],"design":[130],"handle":[132],"cases":[133],"where":[134],"jailbreaks":[135],"fail.":[136],"Additionally,":[137],"address":[139],"key":[141],"challenge":[142],"diffusion-based":[144],"proposing":[147],"masking":[149],"strategy":[150],"preserves":[152],"known":[153],"during":[155],"diffusion,":[156],"with":[157,181],"theoretical":[158],"guarantees":[159],"correctness.":[161],"Extensive":[162],"experiments":[163],"show":[164],"substantially":[167],"outperforms":[168],"state-of-the-art":[169],"(SOTA)":[170],"baselines,":[171],"achieving":[172],"about":[173],"60\\%":[174],"higher":[175],"accuracy":[177],"under":[178],"active":[179],"defenses":[180],"negligible":[182],"overhead.":[183]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-03-14T00:00:00"}
