{"items":[{"id":"NVI-00006998","kind":"vulnerability","title":"LibreNMS is Vulnerable to Remote Code Execution by Arbitrary File Write","revision":4,"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-pr3g-phhr-h8fh","CVE-2026-6204"],"plain_summary":"OSV carries this publisher advisory for librenms/librenms. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 26.3.0 for librenms/librenms. Confirm the publisher’s latest guidance.","source_ids":["sr-cada8bc50d217f7f2874ed3077398ab5"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-6204","publisher":"FIRST EPSS","observed_at":"2026-11-04T23:33:33.062Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-cada8bc50d217f7f2874ed3077398ab5"],"technology":"librenms/librenms","known_exclusions":[],"conditions_summary":"### Summary\nA vulnerability has been identified that allows an authenticated administrator to execute arbitrary code on the host server. By modifying the binary path settings for built-in network tools and bypassing an input filter, an attacker with administrative privileges can download and execute malicious payloads.\n\n### Details\nThe application allows administrative users to configure the absolute binary paths for network diagnostic tools at `/settings/external/binaries`. This setting does not sufficiently validate ensuring the paths remain restricted to safe, intended executables. These tools are invoked by sending a request to the `GET /ajax/netcmd` endpoint. While there is an existing input filter designed to restrict arguments to valid IP addresses or hostnames, this filter can be bypassed.\n\n### PoC\nTo reproduce this vulnerability, a remote HTTP server should be hosted with a malicious script/executable, ensure the remote server is reachable by the server running LibreNMS. The PoC will use the file `malicious.sh` containing the following content. It will return the content of /etc/passwd and /etc/group, current working directory, username that is running the script, and it w","public_affected_ranges":["ECOSYSTEM: introduced 1.48; fixed 26.3.0"]}],"null_published_at":"2026-11-08T19:53:44.007Z","source_updated_at":"2026-04-14T23:11:25.857Z","source_disclosed_at":"2026-03-26T18:04:01.000Z","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":"2026-10-31T21:42:30.994Z"},{"id":"NVI-00006998","kind":"vulnerability","title":"LibreNMS is Vulnerable to Remote Code Execution by Arbitrary File Write","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-pr3g-phhr-h8fh","CVE-2026-6204"],"plain_summary":"OSV carries this publisher advisory for librenms/librenms. 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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":"2026-06-17T11:00:29.080Z","value":"7.2 HIGH (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-cc494727659cb43ad4411a010dee3995"},{"kind":"CVSS","as_of":"2026-06-17T11:00:29.080Z","value":"8.5 HIGH (4.0)","meaning":"ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a severity; no combined Null risk score.","source_id":"sr-cc494727659cb43ad4411a010dee3995"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"7.533%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.94507. Missing scores are unknown.","source_id":"sr-6aaf3e1820197a74518b91ee7cfbffd3"}],"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-cada8bc50d217f7f2874ed3077398ab5","url":"https://github.com/advisories/GHSA-pr3g-phhr-h8fh","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-pr3g-phhr-h8fh","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.994Z"},{"id":"sr-cc494727659cb43ad4411a010dee3995","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6204","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-6204","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:49.802Z"},{"id":"sr-6aaf3e1820197a74518b91ee7cfbffd3","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-2026-6204","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.384Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-cada8bc50d217f7f2874ed3077398ab5"],"technology":"librenms/librenms","known_exclusions":[],"conditions_summary":"### Summary\nA vulnerability has been identified that allows an authenticated administrator to execute arbitrary code on the host server. By modifying the binary path settings for built-in network tools and bypassing an input filter, an attacker with administrative privileges can download and execute malicious payloads.\n\n### Details\nThe application allows administrative users to configure the absolute binary paths for network diagnostic tools at `/settings/external/binaries`. This setting does not sufficiently validate ensuring the paths remain restricted to safe, intended executables. These tools are invoked by sending a request to the `GET /ajax/netcmd` endpoint. While there is an existing input filter designed to restrict arguments to valid IP addresses or hostnames, this filter can be bypassed.\n\n### PoC\nTo reproduce this vulnerability, a remote HTTP server should be hosted with a malicious script/executable, ensure the remote server is reachable by the server running LibreNMS. The PoC will use the file `malicious.sh` containing the following content. 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This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"7.533%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.94507. Missing scores are unknown.","source_id":"sr-6aaf3e1820197a74518b91ee7cfbffd3"}],"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-cada8bc50d217f7f2874ed3077398ab5","url":"https://github.com/advisories/GHSA-pr3g-phhr-h8fh","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-pr3g-phhr-h8fh","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.994Z"},{"id":"sr-6aaf3e1820197a74518b91ee7cfbffd3","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-2026-6204","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.384Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-cada8bc50d217f7f2874ed3077398ab5"],"technology":"librenms/librenms","known_exclusions":[],"conditions_summary":"### Summary\nA vulnerability has been identified that allows an authenticated administrator to execute arbitrary code on the host server. By modifying the binary path settings for built-in network tools and bypassing an input filter, an attacker with administrative privileges can download and execute malicious payloads.\n\n### Details\nThe application allows administrative users to configure the absolute binary paths for network diagnostic tools at `/settings/external/binaries`. This setting does not sufficiently validate ensuring the paths remain restricted to safe, intended executables. These tools are invoked by sending a request to the `GET /ajax/netcmd` endpoint. While there is an existing input filter designed to restrict arguments to valid IP addresses or hostnames, this filter can be bypassed.\n\n### PoC\nTo reproduce this vulnerability, a remote HTTP server should be hosted with a malicious script/executable, ensure the remote server is reachable by the server running LibreNMS. The PoC will use the file `malicious.sh` containing the following content. It will return the content of /etc/passwd and /etc/group, current working directory, username that is running the script, and it w","public_affected_ranges":["ECOSYSTEM: introduced 1.48; fixed 26.3.0"]}],"null_published_at":"2026-11-01T19:14:01.553Z","source_updated_at":"2026-04-14T23:11:25.857Z","source_disclosed_at":"2026-03-26T18:04:01.000Z","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":"2026-10-31T21:42:30.994Z"},{"id":"NVI-00006998","kind":"vulnerability","title":"LibreNMS is Vulnerable to Remote Code Execution by Arbitrary File Write","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-pr3g-phhr-h8fh","CVE-2026-6204"],"plain_summary":"OSV carries this publisher advisory for librenms/librenms. 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By modifying the binary path settings for built-in network tools and bypassing an input filter, an attacker with administrative privileges can download and execute malicious payloads.\n\n### Details\nThe application allows administrative users to configure the absolute binary paths for network diagnostic tools at `/settings/external/binaries`. This setting does not sufficiently validate ensuring the paths remain restricted to safe, intended executables. These tools are invoked by sending a request to the `GET /ajax/netcmd` endpoint. While there is an existing input filter designed to restrict arguments to valid IP addresses or hostnames, this filter can be bypassed.\n\n### PoC\nTo reproduce this vulnerability, a remote HTTP server should be hosted with a malicious script/executable, ensure the remote server is reachable by the server running LibreNMS. The PoC will use the file `malicious.sh` containing the following content. It will return the content of /etc/passwd and /etc/group, current working directory, username that is running the script, and it w","public_affected_ranges":["ECOSYSTEM: introduced 1.48; fixed 26.3.0"]}],"null_published_at":"2026-10-31T22:13:14.307Z","source_updated_at":"2026-04-14T23:11:25.857Z","source_disclosed_at":"2026-03-26T18:04:01.000Z","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":"2026-10-31T21:42:30.994Z"}],"next_cursor":null,"snapshot_revision":"42594"}