{"id":"CVE-2026-115707","kind":"vulnerability","aliases":["CVE-2026-115707"],"related":[],"title":"Elastic Cloud Enterprise: leftover certificate rotation data exposes platform credentials and keys","description":"Insertion of Sensitive Information into Externally-Accessible File or Directory (CWE-538) in Elastic Cloud Enterprise (ECE) can lead to privilege escalation via Retrieve Embedded Sensitive Data (CAPEC-37). After the ECE certificate rotation procedure runs, data that it retains contains platform credentials and certificate authority private keys, and lower-privileged platform components can read this data. An attacker who controls any host in the installation can use this data to get full control of the ECE control plane and of the deployments that it manages.","summary":"After the Elastic Cloud Enterprise certificate rotation procedure runs, retained files contain platform credentials and certificate authority private keys that lower-privileged components can read. An attacker who controls any host in the installation can use those secrets to take over the ECE control plane and the deployments it manages.","severity":"medium","cvss":6.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["elastic-cloud-enterprise","elasticsearch","infrastructure","self-hosted"],"not_affected_if":["managed-hosting","never-rotated-certificates"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-29T15:17:17+00:00","first_seen_at":"2026-10-29T15:25:38+00:00","triaged_at":"2026-10-29T15:26:43+00:00","updated_at":"2026-10-29T15:26:43+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-29T15:26:43Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Elastic Cloud Enterprise: leftover certificate rotation data exposes platform credentials and keys","impact":"high","summary":"After the Elastic Cloud Enterprise certificate rotation procedure runs, retained files contain platform credentials and certificate authority private keys that lower-privileged components can read. An attacker who controls any host in the installation can use those secrets to take over the ECE control plane and the deployments it manages.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["elastic-cloud-enterprise","self-hosted","elasticsearch"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"Attacker takes over the ECE control plane and managed deployments","analyst_note":"Find the affected and fixed ECE versions and the vendor advisory for CVE-2026-115707; the NVD entry alone gives no product ranges or remediation steps.","how_to_check":"unknown","plain_action":"","needs_analyst":true,"not_affected_if":["managed-hosting","never-rotated-certificates"],"who_is_affected":"Organizations that run Elastic Cloud Enterprise on their own hardware and have performed certificate rotation. Exposure depends on an attacker already controlling some host in the installation, so a standalone Elastic Cloud hosted deployment is not the described target. unknown whether the sources list affected versions.","user_interaction":"no","needs_special_setup":"yes","severity_if_unknown":"medium"},"cost_usd":0.000689,"input_tokens":4213,"output_tokens":536,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-115707':15A,18A '-2026':14A,17A '-37':108C '-538':91C 'access':86C 'attack':55B,139C 'author':44B,125C 'capec':107C 'certif':5A,33B,43B,112C,124C 'cloud':2A,21B,31B,94C 'compon':51B,133C 'contain':39B,120C 'control':57B,72B,141C,154C,158C 'credenti':10A,41B,122C 'cve':13A,16A 'cwe':90C 'data':7A,106C,116C,137C,150C 'deploy':76B,163C 'directori':89C 'ece':71B,96C,111C,157C 'elast':1A,20B,30B,93C 'elastic-cloud-enterpris':19B 'elasticsearch':23B 'embed':104C 'enterpris':3A,22B,32B,95C 'escal':101C 'expos':8A 'extern':85C 'externally-access':84C 'file':38B,87C 'full':153C 'get':152C 'host':27B,59B,143C 'inform':82C 'infrastructur':24B 'insert':79C 'instal':62B,146C 'key':12A,46B,127C 'lead':98C 'leftov':4A 'lower':49B,130C 'lower-privileg':48B,129C 'manag':78B,166C 'plane':73B,159C 'platform':9A,40B,121C,132C 'privat':45B,126C 'privileg':50B,100C,131C 'procedur':35B,114C 'read':53B,135C 'retain':37B,119C 'retriev':103C 'rotat':6A,34B,113C 'run':36B,115C 'secret':66B 'self':26B 'self-host':25B 'sensit':81C,105C 'take':68B 'use':64B,148C 'via':102C","nicknames":[],"mitigations":[],"who_affected":"Organizations that run Elastic Cloud Enterprise on their own hardware and have performed certificate rotation. Exposure depends on an attacker already controlling some host in the installation, so a standalone Elastic Cloud hosted deployment is not the described target. unknown whether the sources list affected versions.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"first_public_at":"2026-10-29T15:17:17+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","cvss_by":"security@elastic.co","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-115707","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115707","severity":null,"published_at":"2026-10-29T15:17:17+00:00","modified_at":"2026-10-29T15:17:17+00:00","first_seen_at":"2026-10-29T15:25:38+00:00","fetched_at":"2026-10-29T15:25:38+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}