{"id":"CVE-2026-126287","kind":"vulnerability","aliases":["CVE-2026-126287"],"related":[],"title":"NocoDB: race condition lets a captured refresh token be reused","description":"NocoDB before 2026.06.2 contains a race condition vulnerability in oauth-token.service.ts that allows attackers to reuse a refresh token by presenting it concurrently during non-atomic rotation. Attackers holding a captured refresh token can race the legitimate client to obtain their own access and refresh tokens, retaining scoped access without triggering reuse detection.","summary":"NocoDB before 2026.06.2 has a race condition in its OAuth token service, where a refresh token can be presented concurrently during non-atomic rotation. An attacker holding a captured refresh token can obtain their own access and refresh tokens and keep scoped access without triggering reuse detection.","severity":"medium","cvss":6.0,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["nocodb","oauth","other","self-hosted"],"not_affected_if":["no-oauth-clients","nocodb-2026.06.2-or-later"],"how_to_check":"- Check the installed NocoDB version against the fixed release `2026.06.2`\n- Review whether OAuth login is enabled on the NocoDB instance","fix":"- NocoDB: move to `2026.06.2` or later","status":"open","published_at":"2026-11-13T10:17:32+00:00","first_seen_at":"2026-11-13T10:47:13+00:00","triaged_at":"2026-11-13T10:56:43+00:00","updated_at":"2026-11-13T10:56:43+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-11-13T10:56:43Z","model":"claude-haiku-5-5","output":{"fix":"- NocoDB: move to `2026.06.2` or later","reach":"network","title":"NocoDB: race condition lets a captured refresh token be reused","impact":"medium","summary":"NocoDB before 2026.06.2 has a race condition in its OAuth token service, where a refresh token can be presented concurrently during non-atomic rotation. An attacker holding a captured refresh token can obtain their own access and refresh tokens and keep scoped access without triggering reuse detection.","audience":"businesses","category":"other","nicknames":[],"who_cares":["nocodb","self-hosted","oauth"],"confidence":0.6,"fix_status":"available","needs_auth":"yes","worst_case":"attacker keeps scoped access to NocoDB data via stolen token","analyst_note":"","how_to_check":"- Check the installed NocoDB version against the fixed release `2026.06.2`\n- Review whether OAuth login is enabled on the NocoDB instance","plain_action":"","product_name":"","needs_analyst":false,"not_affected_if":["nocodb-2026.06.2-or-later","no-oauth-clients"],"who_is_affected":"NocoDB instances before 2026.06.2 that use OAuth refresh tokens are exposed. An attacker must already hold a captured refresh token, so the risk is to self-hosted or managed NocoDB deployments that issue OAuth tokens to clients. Instances without OAuth token issuance have less exposure.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000729,"input_tokens":4622,"output_tokens":533,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-126287':13A,16A '-2026':12A,15A '2026.06.2':25B,73C 'access':59B,66B,113C,119C 'allow':82C 'atom':46B,96C 'attack':49B,83C,98C 'captur':6A,52B,101C 'client':108C 'concurr':42B,92C 'condit':3A,29B,77C 'contain':74C 'cve':11A,14A 'detect':70B,123C 'hold':50B,99C 'host':22B 'keep':64B 'legitim':107C 'let':4A 'nocodb':1A,17B,23B,71C 'non':45B,95C 'non-atom':44B,94C 'oauth':18B,32B 'oauth-token.service.ts':80C 'obtain':56B,110C 'present':41B,90C 'race':2A,28B,76C,105C 'refresh':7A,37B,53B,61B,87C,102C,115C 'retain':117C 'reus':10A,69B,85C,122C 'rotat':47B,97C 'scope':65B,118C 'self':21B 'self-host':20B 'servic':34B 'token':8A,33B,38B,54B,62B,88C,103C,116C 'trigger':68B,121C 'vulner':78C 'without':67B,120C","nicknames":[],"mitigations":[],"who_affected":"NocoDB instances before 2026.06.2 that use OAuth refresh tokens are exposed. An attacker must already hold a captured refresh token, so the risk is to self-hosted or managed NocoDB deployments that issue OAuth tokens to clients. Instances without OAuth token issuance have less exposure.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium","nocodb","oauth","other","selfhosted"],"campaign_type":null,"search_a":"'-126287':13A,16A '-2026':12A,15A 'captur':6A 'condit':3A 'cve':11A,14A 'let':4A 'nocodb':1A 'race':2A 'refresh':7A 'reus':10A 'token':8A","search_b":"'2026.06.2':25B 'access':59B,66B 'atom':46B 'attack':49B 'captur':52B 'concurr':42B 'condit':29B 'detect':70B 'hold':50B 'host':22B 'keep':64B 'nocodb':17B,23B 'non':45B 'non-atom':44B 'oauth':18B,32B 'obtain':56B 'present':41B 'race':28B 'refresh':37B,53B,61B 'reus':69B 'rotat':47B 'scope':65B 'self':21B 'self-host':20B 'servic':34B 'token':33B,38B,54B,62B 'trigger':68B 'without':67B","search_c":"'2026.06.2':73C 'access':113C,119C 'allow':82C 'atom':96C 'attack':83C,98C 'captur':101C 'client':108C 'concurr':92C 'condit':77C 'contain':74C 'detect':123C 'hold':99C 'legitim':107C 'nocodb':71C 'non':95C 'non-atom':94C 'oauth-token.service.ts':80C 'obtain':110C 'present':90C 'race':76C,105C 'refresh':87C,102C,115C 'retain':117C 'reus':85C,122C 'rotat':97C 'scope':118C 'token':88C,103C,116C 'trigger':121C 'vulner':78C 'without':120C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-10-27T10:05:26+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-126287","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126287","severity":null,"published_at":"2026-11-13T10:17:32+00:00","modified_at":"2026-11-13T10:17:32+00:00","first_seen_at":"2026-11-13T10:47:13+00:00","fetched_at":"2026-11-13T10:47:13+00:00","note":null}],"documents":[{"id":144903,"url":"https://github.com/nocodb/nocodb/security/advisories/GHSA-353r-pj87-54hc","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-10-27T10:05:26+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":144904,"url":"https://www.vulncheck.com/advisories/nocodb-before-2026.06.2-oauth-refresh-token-rotation-race-condition","title":"Third-party advisory: www.vulncheck.com","kind":"advisory","source":"nvd","publisher":"research","text":null,"published_at":null,"relation":"advisory","confidence":null,"note":"Third-party advisory: www.vulncheck.com"}],"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"}