{"id":"GHSA-4hhf-mfx9-3877","kind":"vulnerability","aliases":["GHSA-4hhf-mfx9-3877"],"related":[],"title":"CVE-2026-124034, CVE-2026-124035: Issues with Amazon Braket SDK","description":"CVE-2026-124034, CVE-2026-124035: Issues with Amazon Braket SDK\n\n### CVE-2026-124034, CVE-2026-124035: Issues with Amazon Braket SDK\n\nBulletin ID: 2026-175-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 11/09/2026 14:15 PM PST\n\n Description:\n\nAmazon Braket SDK is an open source Python library that customers use to run quantum tasks and hybrid jobs on Amazon Braket and retrieve their results, and it uses the Amazon Braket Schemas library to parse task results.\n\nWe identified CVE-2026-124034, an issue in the local hybrid job input data download in the Amazon Braket SDK. A remote authenticated user with S3 write access to a hybrid job's input data location might be able to overwrite arbitrary files, with the privileges of the user running the job, by supplying crafted S3 object keys.\n\nWe identified CVE-2026-124035, an issue in the error mitigation schema validation in Amazon Braket Schemas, the library the Amazon Braket SDK uses to parse quantum task results. A remote authenticated user with S3 write access to the quantum task output location might be able to execute arbitrary code on any machine that retrieves the quantum task results by supplying a crafted task result document. Please note, this is a follow-on fix to the prior advisory CVE-2026-9291.\n\nImpacted versions:\n\n- CVE-2026-124034: amazon-braket-sdk >= 1.10.0 AND < 1.127.7\n- CVE-2026-124035: amazon-braket-schemas >= 1.17.0 AND < 1.32.2\n\nResolution:\n\n- CVE-2026-124034: This issue has been addressed in Amazon Braket SDK version 1.127.7. We recommend upgrading to the latest version and ensuring any forked or derivative code is patched to incorporate the new fixes.\n- CVE-2026-124035: This issue has been addressed in Amazon Braket Schemas version 1.32.2. We recommend upgrading to the latest version and ensuring any forked or derivative code is patched to incorporate the new fixes.\n\nWorkarounds:\n\nRestrict S3 write access to the Braket task-output and local-job input data locations (and the job's IAM role) to trusted principals.\n\nReferences:\n\n- CVE-2026-124034\n- CVE-2026-124035\n- GHSA-4hhf-mfx9-3877\n- GHSA-9r5x-g8jm-9mjj\n\nAcknowledgement:\n\nWe would like to thank Eva Crystal (0xiviel), XSource Security for collaborating on this issue through the coordinated issue disclosure process.\n\n Please email aws-security@amazon.com with any s ecurity questions or concerns.","summary":"CVE-2026-124034 lets a user with S3 write access to a hybrid job's input location overwrite arbitrary files with the job's privileges, via crafted S3 object keys. CVE-2026-124035 lets a user with S3 write access to the task output location run arbitrary code on any machine that retrieves the results, via a crafted task result document.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["amazon-braket","aws","lab-disclosure","package","python","quantum"],"not_affected_if":["no-untrusted-s3-write-access","sdk-below-affected-range"],"how_to_check":"- Check the installed version of `amazon-braket-sdk` with `pip show amazon-braket-sdk`; affected below `1.127.7`.\n- Check the installed version of `amazon-braket-schemas` with `pip show amazon-braket-schemas`; affected below `1.32.2`.\n- Note who has S3 write access to Braket task-output and hybrid job input locations.","fix":"- `amazon-braket-sdk`: `1.127.7` (CVE-2026-124034; affected `>= 1.10.0` and `< 1.127.7`)\n- `amazon-braket-schemas`: `1.32.2` (CVE-2026-124035; affected `>= 1.17.0` and `< 1.32.2`)","status":"open","published_at":null,"first_seen_at":"2026-11-09T23:46:36+00:00","triaged_at":"2026-11-09T23:47:58+00:00","updated_at":"2026-11-09T23:47:58+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-11-09T23:47:58Z","model":"claude-haiku-5-5","output":{"fix":"- `amazon-braket-sdk`: `1.127.7` (CVE-2026-124034; affected `>= 1.10.0` and `< 1.127.7`)\n- `amazon-braket-schemas`: `1.32.2` (CVE-2026-124035; affected `>= 1.17.0` and `< 1.32.2`)","reach":"network","title":"Amazon Braket SDK: crafted S3 keys overwrite files; crafted results run code","impact":"high","summary":"CVE-2026-124034 lets a user with S3 write access to a hybrid job's input location overwrite arbitrary files with the job's privileges, via crafted S3 object keys. CVE-2026-124035 lets a user with S3 write access to the task output location run arbitrary code on any machine that retrieves the results, via a crafted task result document.","audience":"developers","category":"package","nicknames":[],"who_cares":["aws","python","amazon-braket","quantum"],"confidence":0.8,"fix_status":"available","needs_auth":"yes","worst_case":"Arbitrary files overwritten, or arbitrary code runs on result-retrieving machines","analyst_note":"","how_to_check":"- Check the installed version of `amazon-braket-sdk` with `pip show amazon-braket-sdk`; affected below `1.127.7`.\n- Check the installed version of `amazon-braket-schemas` with `pip show amazon-braket-schemas`; affected below `1.32.2`.\n- Note who has S3 write access to Braket task-output and hybrid job input locations.","plain_action":"","product_name":"","needs_analyst":false,"not_affected_if":["no-untrusted-s3-write-access","sdk-below-affected-range"],"who_is_affected":"Teams that run the Amazon Braket SDK to submit quantum tasks and hybrid jobs, and any machine that parses Braket task results with amazon-braket-schemas. Exposure depends on who holds S3 write access to the Braket task-output and hybrid job input locations; restricting that access to trusted principals is the stated workaround.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000923,"input_tokens":5441,"output_tokens":757,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-124034':3A,34B,95C,106C,177C,317C,338C,436C '-124035':6A,64B,98C,109C,235C,327C,373C,439C '-175':118C '-2026':2A,5A,33B,63B,94C,97C,105C,108C,176C,234C,311C,316C,326C,337C,372C,435C,438C '-9291':312C '0xiviel':458C '1.10.0':322C '1.127.7':324C,349C '1.17.0':332C '1.32.2':334C,384C '11/09/2026':129C '14':130C '15':131C '2026':117C '3877':16A,21A,444C '4hhf':14A,19A,442C '9mjj':449C '9r5x':447C 'abl':211C,276C 'access':41B,71B,200C,267C,410C 'acknowledg':450C 'address':343C,378C 'advisori':309C 'amazon':9A,23B,101C,112C,135C,155C,165C,190C,245C,251C,319C,329C,345C,380C 'amazon-braket':22B 'amazon-braket-schema':328C 'amazon-braket-sdk':318C 'arbitrari':50B,78B,214C,279C 'attent':126C 'authent':195C,262C 'aw':25B,119C,121C 'aws-security@amazon.com':474C 'braket':10A,24B,102C,113C,136C,156C,166C,191C,246C,252C,320C,330C,346C,381C,413C 'bulletin':115C 'code':79B,280C,363C,398C 'collabor':462C 'concern':481C 'content':122C 'coordin':468C 'craft':58B,89B,227C,293C 'crystal':457C 'custom':145C 'cve':1A,4A,32B,62B,93C,96C,104C,107C,175C,233C,310C,315C,325C,336C,371C,434C,437C 'data':186C,207C,422C 'date':128C 'deriv':362C,397C 'descript':134C 'disclosur':28B,470C 'document':92B,296C 'download':187C 'ecur':478C 'email':473C 'ensur':358C,393C 'error':240C 'eva':456C 'execut':278C 'file':51B,215C 'fix':305C,370C,405C 'follow':303C 'follow-on':302C 'fork':360C,395C 'g8jm':448C 'ghsa':13A,18A,441C,446C 'ghsa-4hhf-mfx9':12A,17A,440C 'ghsa-9r5x-g8jm-9mjj':445C 'hybrid':44B,152C,183C,203C 'iam':428C 'id':116C 'identifi':174C,232C 'impact':313C 'import':124C 'incorpor':367C,402C 'input':47B,185C,206C,421C 'issu':7A,99C,110C,179C,237C,340C,375C,465C,469C 'job':45B,54B,153C,184C,204C,224C,420C,426C 'key':61B,230C 'lab':27B 'lab-disclosur':26B 'latest':355C,390C 'let':35B,65B 'librari':143C,168C,249C 'like':453C 'local':182C,419C 'local-job':418C 'locat':48B,76B,208C,273C,423C 'machin':82B,283C 'mfx9':15A,20A,443C 'might':209C,274C 'mitig':241C 'new':369C,404C 'note':298C 'object':60B,229C 'open':140C 'output':75B,272C,416C 'overwrit':49B,213C 'packag':29B 'pars':170C,256C 'patch':365C,400C 'pleas':297C,472C 'pm':132C 'princip':432C 'prior':308C 'privileg':56B,218C 'process':471C 'pst':133C 'public':127C 'python':30B,142C 'quantum':31B,149C,257C,270C,287C 'question':479C 'recommend':351C,386C 'refer':433C 'remot':194C,261C 'requir':125C 'resolut':335C 'restrict':407C 'result':86B,91B,160C,172C,259C,289C,295C 'retriev':84B,158C,285C 'role':429C 'run':77B,148C,222C 's3':39B,59B,69B,198C,228C,265C,408C 'schema':167C,242C,247C,331C,382C 'scope':120C 'sdk':11A,103C,114C,137C,192C,253C,321C,347C 'secur':460C 'sourc':141C 'suppli':226C,291C 'task':74B,90B,150C,171C,258C,271C,288C,294C,415C 'task-output':414C 'thank':455C 'trust':431C 'type':123C 'upgrad':352C,387C 'use':146C,163C,254C 'user':37B,67B,196C,221C,263C 'valid':243C 'version':314C,348C,356C,383C,391C 'via':57B,87B 'workaround':406C 'would':452C 'write':40B,70B,199C,266C,409C 'xsourc':459C","nicknames":[],"mitigations":[],"who_affected":"Teams that run the Amazon Braket SDK to submit quantum tasks and hybrid jobs, and any machine that parses Braket task results with amazon-braket-schemas. Exposure depends on who holds S3 write access to the Braket task-output and hybrid job input locations; restricting that access to trusted principals is the stated workaround.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"developers","plain_action":null,"pkeys":[],"ptokens":[],"labels":["amazonbraket","aws","high","labdisclosure","package","python","quantum"],"campaign_type":null,"search_a":"'-124034':3A '-124035':6A '-2026':2A,5A '3877':16A,21A '4hhf':14A,19A 'amazon':9A 'braket':10A 'cve':1A,4A 'ghsa':13A,18A 'ghsa-4hhf-mfx9':12A,17A 'issu':7A 'mfx9':15A,20A 'sdk':11A","search_b":"'-124034':34B '-124035':64B '-2026':33B,63B 'access':41B,71B 'amazon':23B 'amazon-braket':22B 'arbitrari':50B,78B 'aw':25B 'braket':24B 'code':79B 'craft':58B,89B 'cve':32B,62B 'disclosur':28B 'document':92B 'file':51B 'hybrid':44B 'input':47B 'job':45B,54B 'key':61B 'lab':27B 'lab-disclosur':26B 'let':35B,65B 'locat':48B,76B 'machin':82B 'object':60B 'output':75B 'overwrit':49B 'packag':29B 'privileg':56B 'python':30B 'quantum':31B 'result':86B,91B 'retriev':84B 'run':77B 's3':39B,59B,69B 'task':74B,90B 'user':37B,67B 'via':57B,87B 'write':40B,70B","search_c":"'-124034':95C,106C,177C,317C,338C,436C '-124035':98C,109C,235C,327C,373C,439C '-175':118C '-2026':94C,97C,105C,108C,176C,234C,311C,316C,326C,337C,372C,435C,438C '-9291':312C '0xiviel':458C '1.10.0':322C '1.127.7':324C,349C '1.17.0':332C '1.32.2':334C,384C '11/09/2026':129C '14':130C '15':131C '2026':117C '3877':444C '4hhf':442C '9mjj':449C '9r5x':447C 'abl':211C,276C 'access':200C,267C,410C 'acknowledg':450C 'address':343C,378C 'advisori':309C 'amazon':101C,112C,135C,155C,165C,190C,245C,251C,319C,329C,345C,380C 'amazon-braket-schema':328C 'amazon-braket-sdk':318C 'arbitrari':214C,279C 'attent':126C 'authent':195C,262C 'aw':119C,121C 'aws-security@amazon.com':474C 'braket':102C,113C,136C,156C,166C,191C,246C,252C,320C,330C,346C,381C,413C 'bulletin':115C 'code':280C,363C,398C 'collabor':462C 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'xsourc':459C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-09T22:42:12+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"lab","external_id":"https://aws.amazon.com/security/security-bulletins/rss/2026-175-aws/#GHSA-4hhf-mfx9-3877","url":"https://aws.amazon.com/security/security-bulletins/rss/2026-175-aws/","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-11-09T23:46:36+00:00","fetched_at":"2026-11-09T23:46:36+00:00","note":"AWS: CVE-2026-124034, CVE-2026-124035: Issues with Amazon Braket SDK"}],"documents":[{"id":110996,"url":"https://aws.amazon.com/security/security-bulletins/rss/2026-175-aws/","title":"AWS: CVE-2026-124034, CVE-2026-124035: Issues with Amazon Braket SDK","kind":"vendor","source":"vendor","publisher":"research","text":"CVE-2026-124034, CVE-2026-124035: Issues with Amazon Braket SDK\n\n### CVE-2026-124034, CVE-2026-124035: Issues with Amazon Braket SDK\n\nBulletin ID: 2026-175-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 11/09/2026 14:15 PM PST\n\n Description:\n\nAmazon Braket SDK is an open source Python library that customers use to run quantum tasks and hybrid jobs on Amazon Braket and retrieve their results, and it uses the Amazon Braket Schemas library to parse task results.\n\nWe identified CVE-2026-124034, an issue in the local hybrid job input data download in the Amazon Braket SDK. A remote authenticated user with S3 write access to a hybrid job's input data location might be able to overwrite arbitrary files, with the privileges of the user running the job, by supplying crafted S3 object keys.\n\nWe identified CVE-2026-124035, an issue in the error mitigation schema validation in Amazon Braket Schemas, the library the Amazon Braket SDK uses to parse quantum task results. A remote authenticated user with S3 write access to the quantum task output location might be able to execute arbitrary code on any machine that retrieves the quantum task results by supplying a crafted task result document. Please note, this is a follow-on fix to the prior advisory CVE-2026-9291.\n\nImpacted versions:\n\n- CVE-2026-124034: amazon-braket-sdk >= 1.10.0 AND < 1.127.7\n- CVE-2026-124035: amazon-braket-schemas >= 1.17.0 AND < 1.32.2\n\nResolution:\n\n- CVE-2026-124034: This issue has been addressed in Amazon Braket SDK version 1.127.7. We recommend upgrading to the latest version and ensuring any forked or derivative code is patched to incorporate the new fixes.\n- CVE-2026-124035: This issue has been addressed in Amazon Braket Schemas version 1.32.2. We recommend upgrading to the latest version and ensuring any forked or derivative code is patched to incorporate the new fixes.\n\nWorkarounds:\n\nRestrict S3 write access to the Braket task-output and local-job input data locations (and the job's IAM role) to trusted principals.\n\nReferences:\n\n- CVE-2026-124034\n- CVE-2026-124035\n- GHSA-4hhf-mfx9-3877\n- GHSA-9r5x-g8jm-9mjj\n\nAcknowledgement:\n\nWe would like to thank Eva Crystal (0xiviel), XSource Security for collaborating on this issue through the coordinated issue disclosure process.\n\n Please email aws-security@amazon.com with any s ecurity questions or concerns.","published_at":"2026-11-09T22:42:12+00:00","relation":"mentions","confidence":null,"note":null}],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}