{"items":[{"id":"NVI-00011924","kind":"vulnerability","title":"Hazelcast allows arbitrary member memory access by low-privileged client","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-6v25-8wq6-xq4j","CVE-2026-107726"],"plain_summary":"GitHub lists this reviewed advisory for com.hazelcast:hazelcast, com.hazelcast:hazelcast, com.hazelcast:hazelcast. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1ec49862fa90f4febf4cd22e79fba3ab"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-09T16:35:35.900Z","value":"9.3 CRITICAL (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-1591c09790a4bf40ffe259f963e91966"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.383%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.32405. Missing scores are unknown.","source_id":"sr-1ec49862fa90f4febf4cd22e79fba3ab"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-5ea74a534d689f3a38667eae65777e0b","url":"https://github.com/advisories/GHSA-6v25-8wq6-xq4j","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6v25-8wq6-xq4j","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:23.763Z"},{"id":"sr-1591c09790a4bf40ffe259f963e91966","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107726","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-107726","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:29.490Z"},{"id":"sr-1ec49862fa90f4febf4cd22e79fba3ab","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-107726","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.840Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5ea74a534d689f3a38667eae65777e0b"],"technology":"com.hazelcast:hazelcast","known_exclusions":[],"conditions_summary":"### Impact\n\nA flaw has been found in Hazelcast Enterprise Edition and Community Edition, which would allow a low-privileged malicious client to read arbitrary data in memory from any cluster member (including Java heap memory, off-heap data, and JVM process address space). Additionally, such a client may be able to cause one or more cluster members to crash, or in some Enterprise Edition configurations also corrupt memory contents, potentially leading to remote code execution. Both slim and full distributions are affected.\n\n### Patches\n\nEnterprise customers should upgrade to a fixed version of Hazelcast Enterprise Edition:\n * 5.7.0\n * 5.6.1\n * 5.5.10\n * 5.4.5\n \nCustomers with extended support contracts should contact Hazelcast Support for information on patches for older versions.\n\nCommunity Edition users should upgrade to version 5.7.0.\n\nHazelcast also recommends all customers follow the advice in our Security Hardening guide, including:\n\n * Ensure Hazelcast Security is enabled and [client authorization](https://docs.hazelcast.co","public_affected_ranges":["= 5.6.0"]},{"certainty":"source_listed","source_ids":["sr-5ea74a534d689f3a38667eae65777e0b"],"technology":"com.hazelcast:hazelcast","known_exclusions":[],"conditions_summary":"### Impact\n\nA flaw has been found in Hazelcast Enterprise Edition and Community Edition, which would allow a low-privileged malicious client to read arbitrary data in memory from any cluster member (including Java heap memory, off-heap data, and JVM process address space). Additionally, such a client may be able to cause one or more cluster members to crash, or in some Enterprise Edition configurations also corrupt memory contents, potentially leading to remote code execution. Both slim and full distributions are affected.\n\n### Patches\n\nEnterprise customers should upgrade to a fixed version of Hazelcast Enterprise Edition:\n * 5.7.0\n * 5.6.1\n * 5.5.10\n * 5.4.5\n \nCustomers with extended support contracts should contact Hazelcast Support for information on patches for older versions.\n\nCommunity Edition users should upgrade to version 5.7.0.\n\nHazelcast also recommends all customers follow the advice in our Security Hardening guide, including:\n\n * Ensure Hazelcast Security is enabled and [client authorization](https://docs.hazelcast.co","public_affected_ranges":[">= 5.5.0, < 5.5.10"]},{"certainty":"source_listed","source_ids":["sr-5ea74a534d689f3a38667eae65777e0b"],"technology":"com.hazelcast:hazelcast","known_exclusions":[],"conditions_summary":"### Impact\n\nA flaw has been found in Hazelcast Enterprise Edition and Community Edition, which would allow a low-privileged malicious client to read arbitrary data in memory from any cluster member (including Java heap memory, off-heap data, and JVM process address space). Additionally, such a client may be able to cause one or more cluster members to crash, or in some Enterprise Edition configurations also corrupt memory contents, potentially leading to remote code execution. Both slim and full distributions are affected.\n\n### Patches\n\nEnterprise customers should upgrade to a fixed version of Hazelcast Enterprise Edition:\n * 5.7.0\n * 5.6.1\n * 5.5.10\n * 5.4.5\n \nCustomers with extended support contracts should contact Hazelcast Support for information on patches for older versions.\n\nCommunity Edition users should upgrade to version 5.7.0.\n\nHazelcast also recommends all customers follow the advice in our Security Hardening guide, including:\n\n * Ensure Hazelcast Security is enabled and [client authorization](https://docs.hazelcast.co","public_affected_ranges":["< 5.4.5"]}],"null_published_at":"2026-11-07T14:01:58.729Z","source_updated_at":"2026-10-08T22:10:30.000Z","source_disclosed_at":"2026-10-08T22:10:29.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T00:58:23.763Z"},{"id":"NVI-00011924","kind":"vulnerability","title":"Hazelcast allows arbitrary member memory access by low-privileged client","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-6v25-8wq6-xq4j","CVE-2026-107726"],"plain_summary":"GitHub lists this reviewed advisory for com.hazelcast:hazelcast, com.hazelcast:hazelcast, com.hazelcast:hazelcast. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1591c09790a4bf40ffe259f963e91966"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-09T16:35:35.900Z","value":"9.3 CRITICAL (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-1591c09790a4bf40ffe259f963e91966"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-5ea74a534d689f3a38667eae65777e0b","url":"https://github.com/advisories/GHSA-6v25-8wq6-xq4j","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6v25-8wq6-xq4j","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:23.763Z"},{"id":"sr-1591c09790a4bf40ffe259f963e91966","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107726","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-107726","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:29.490Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5ea74a534d689f3a38667eae65777e0b"],"technology":"com.hazelcast:hazelcast","known_exclusions":[],"conditions_summary":"### Impact\n\nA flaw has been found in Hazelcast Enterprise Edition and Community Edition, which would allow a low-privileged malicious client to read arbitrary data in memory from any cluster member (including Java heap memory, off-heap data, and JVM process address space). Additionally, such a client may be able to cause one or more cluster members to crash, or in some Enterprise Edition configurations also corrupt memory contents, potentially leading to remote code execution. Both slim and full distributions are affected.\n\n### Patches\n\nEnterprise customers should upgrade to a fixed version of Hazelcast Enterprise Edition:\n * 5.7.0\n * 5.6.1\n * 5.5.10\n * 5.4.5\n \nCustomers with extended support contracts should contact Hazelcast Support for information on patches for older versions.\n\nCommunity Edition users should upgrade to version 5.7.0.\n\nHazelcast also recommends all customers follow the advice in our Security Hardening guide, including:\n\n * Ensure Hazelcast Security is enabled and [client authorization](https://docs.hazelcast.co","public_affected_ranges":["= 5.6.0"]},{"certainty":"source_listed","source_ids":["sr-5ea74a534d689f3a38667eae65777e0b"],"technology":"com.hazelcast:hazelcast","known_exclusions":[],"conditions_summary":"### Impact\n\nA flaw has been found in Hazelcast Enterprise Edition and Community Edition, which would allow a low-privileged malicious client to read arbitrary data in memory from any cluster member (including Java heap memory, off-heap data, and JVM process address space). Additionally, such a client may be able to cause one or more cluster members to crash, or in some Enterprise Edition configurations also corrupt memory contents, potentially leading to remote code execution. Both slim and full distributions are affected.\n\n### Patches\n\nEnterprise customers should upgrade to a fixed version of Hazelcast Enterprise Edition:\n * 5.7.0\n * 5.6.1\n * 5.5.10\n * 5.4.5\n \nCustomers with extended support contracts should contact Hazelcast Support for information on patches for older versions.\n\nCommunity Edition users should upgrade to version 5.7.0.\n\nHazelcast also recommends all customers follow the advice in our Security Hardening guide, including:\n\n * Ensure Hazelcast Security is enabled and [client authorization](https://docs.hazelcast.co","public_affected_ranges":[">= 5.5.0, < 5.5.10"]},{"certainty":"source_listed","source_ids":["sr-5ea74a534d689f3a38667eae65777e0b"],"technology":"com.hazelcast:hazelcast","known_exclusions":[],"conditions_summary":"### Impact\n\nA flaw has been found in Hazelcast Enterprise Edition and Community Edition, which would allow a low-privileged malicious client to read arbitrary data in memory from any cluster member (including Java heap memory, off-heap data, and JVM process address space). Additionally, such a client may be able to cause one or more cluster members to crash, or in some Enterprise Edition configurations also corrupt memory contents, potentially leading to remote code execution. Both slim and full distributions are affected.\n\n### Patches\n\nEnterprise customers should upgrade to a fixed version of Hazelcast Enterprise Edition:\n * 5.7.0\n * 5.6.1\n * 5.5.10\n * 5.4.5\n \nCustomers with extended support contracts should contact Hazelcast Support for information on patches for older versions.\n\nCommunity Edition users should upgrade to version 5.7.0.\n\nHazelcast also recommends all customers follow the advice in our Security Hardening guide, including:\n\n * Ensure Hazelcast Security is enabled and [client authorization](https://docs.hazelcast.co","public_affected_ranges":["< 5.4.5"]}],"null_published_at":"2026-11-03T10:03:31.373Z","source_updated_at":"2026-10-08T22:10:30.000Z","source_disclosed_at":"2026-10-08T22:10:29.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T00:58:23.763Z"},{"id":"NVI-00011924","kind":"vulnerability","title":"Hazelcast allows arbitrary member memory access by low-privileged client","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-6v25-8wq6-xq4j","CVE-2026-107726"],"plain_summary":"GitHub lists this reviewed advisory for com.hazelcast:hazelcast, com.hazelcast:hazelcast, com.hazelcast:hazelcast. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-5ea74a534d689f3a38667eae65777e0b"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-5ea74a534d689f3a38667eae65777e0b","url":"https://github.com/advisories/GHSA-6v25-8wq6-xq4j","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6v25-8wq6-xq4j","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:23.763Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5ea74a534d689f3a38667eae65777e0b"],"technology":"com.hazelcast:hazelcast","known_exclusions":[],"conditions_summary":"### Impact\n\nA flaw has been found in Hazelcast Enterprise Edition and Community Edition, which would allow a low-privileged malicious client to read arbitrary data in memory from any cluster member (including Java heap memory, off-heap data, and JVM process address space). Additionally, such a client may be able to cause one or more cluster members to crash, or in some Enterprise Edition configurations also corrupt memory contents, potentially leading to remote code execution. Both slim and full distributions are affected.\n\n### Patches\n\nEnterprise customers should upgrade to a fixed version of Hazelcast Enterprise Edition:\n * 5.7.0\n * 5.6.1\n * 5.5.10\n * 5.4.5\n \nCustomers with extended support contracts should contact Hazelcast Support for information on patches for older versions.\n\nCommunity Edition users should upgrade to version 5.7.0.\n\nHazelcast also recommends all customers follow the advice in our Security Hardening guide, including:\n\n * Ensure Hazelcast Security is enabled and [client authorization](https://docs.hazelcast.co","public_affected_ranges":["= 5.6.0"]},{"certainty":"source_listed","source_ids":["sr-5ea74a534d689f3a38667eae65777e0b"],"technology":"com.hazelcast:hazelcast","known_exclusions":[],"conditions_summary":"### Impact\n\nA flaw has been found in Hazelcast Enterprise Edition and Community Edition, which would allow a low-privileged malicious client to read arbitrary data in memory from any cluster member (including Java heap memory, off-heap data, and JVM process address space). Additionally, such a client may be able to cause one or more cluster members to crash, or in some Enterprise Edition configurations also corrupt memory contents, potentially leading to remote code execution. Both slim and full distributions are affected.\n\n### Patches\n\nEnterprise customers should upgrade to a fixed version of Hazelcast Enterprise Edition:\n * 5.7.0\n * 5.6.1\n * 5.5.10\n * 5.4.5\n \nCustomers with extended support contracts should contact Hazelcast Support for information on patches for older versions.\n\nCommunity Edition users should upgrade to version 5.7.0.\n\nHazelcast also recommends all customers follow the advice in our Security Hardening guide, including:\n\n * Ensure Hazelcast Security is enabled and [client authorization](https://docs.hazelcast.co","public_affected_ranges":[">= 5.5.0, < 5.5.10"]},{"certainty":"source_listed","source_ids":["sr-5ea74a534d689f3a38667eae65777e0b"],"technology":"com.hazelcast:hazelcast","known_exclusions":[],"conditions_summary":"### Impact\n\nA flaw has been found in Hazelcast Enterprise Edition and Community Edition, which would allow a low-privileged malicious client to read arbitrary data in memory from any cluster member (including Java heap memory, off-heap data, and JVM process address space). Additionally, such a client may be able to cause one or more cluster members to crash, or in some Enterprise Edition configurations also corrupt memory contents, potentially leading to remote code execution. Both slim and full distributions are affected.\n\n### Patches\n\nEnterprise customers should upgrade to a fixed version of Hazelcast Enterprise Edition:\n * 5.7.0\n * 5.6.1\n * 5.5.10\n * 5.4.5\n \nCustomers with extended support contracts should contact Hazelcast Support for information on patches for older versions.\n\nCommunity Edition users should upgrade to version 5.7.0.\n\nHazelcast also recommends all customers follow the advice in our Security Hardening guide, including:\n\n * Ensure Hazelcast Security is enabled and [client authorization](https://docs.hazelcast.co","public_affected_ranges":["< 5.4.5"]}],"null_published_at":"2026-11-01T01:03:56.615Z","source_updated_at":"2026-10-08T22:10:30.000Z","source_disclosed_at":"2026-10-08T22:10:29.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-01T00:58:23.763Z"}],"next_cursor":null,"snapshot_revision":"42594"}