{"items":[{"id":"NVI-00009113","kind":"vulnerability","title":"Bugsink is vulnerable to Stored XSS via Pygments fallback in stacktrace rendering","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-vp6q-7m36-pq3w","CVE-2026-27614"],"plain_summary":"GitHub lists this reviewed advisory for bugsink. 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-0d38d28976f955b3e02cf62d0fcd5f42"],"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":"2026-10-27T15:22:10.000Z","value":"9.3 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b596b9ea6150c7a0eec622ecf8547b43"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.336%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.27096. Missing scores are unknown.","source_id":"sr-0d38d28976f955b3e02cf62d0fcd5f42"}],"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-b596b9ea6150c7a0eec622ecf8547b43","url":"https://github.com/advisories/GHSA-vp6q-7m36-pq3w","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vp6q-7m36-pq3w","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"},{"id":"sr-0d38d28976f955b3e02cf62d0fcd5f42","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-2026-27614","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.781Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b596b9ea6150c7a0eec622ecf8547b43"],"technology":"bugsink","known_exclusions":[],"conditions_summary":"### Summary\n\nAn unauthenticated attacker who can submit events to a Bugsink project can store arbitrary JavaScript in an event.\nThe payload executes only if a user explicitly views the affected Stacktrace in the web UI.\n\n### Details\n\nWhen Pygments returns more lines than it was given (a known upstream quirk that triggers with Ruby heredoc-style input), `_pygmentize_lines()` in `theme/templatetags/issues.py:75-77` falls back to returning the raw input lines. `mark_safe()` at line 111-113 is then applied unconditionally - including to those unsanitized raw lines. Since DSN endpoints are public by Sentry protocol, no account is needed to inject. The payload sits in the database until an admin looks at the event.\n\n```python\n# issues.py:75-77 - fallback path, no escaping\nif len(pygmented) != len(lines):\n    return lines  # raw HTML returned here\n\n# issues.py:111-113 - unconditional mark_safe\nreturn [mark_safe(line) for line in result]\n```\n\n### Operational Signals\n\nExploitation attempts are likely to generate the diagnostic event:\n\n```\n\"Pygments line count mismatch, falling back to unformatted code\"\n```\n\nInstallations that monitor Bugsink with Bugsink (or otherwise alert on internal erro","public_affected_ranges":["<= 2.0.12"]}],"null_published_at":"2026-11-06T00:29:57.249Z","source_updated_at":"2026-10-27T15:22:10.000Z","source_disclosed_at":"2026-02-25T16:06:00.000Z","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":"2026-10-31T21:56:51.534Z"},{"id":"NVI-00009113","kind":"vulnerability","title":"Bugsink is vulnerable to Stored XSS via Pygments fallback in stacktrace rendering","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-vp6q-7m36-pq3w","CVE-2026-27614"],"plain_summary":"GitHub lists this reviewed advisory for bugsink. 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-3525eacf953faafe112c2b3524eb99be"],"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":"2026-10-27T15:22:10.000Z","value":"9.3 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b596b9ea6150c7a0eec622ecf8547b43"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.336%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.27066. Missing scores are unknown.","source_id":"sr-3525eacf953faafe112c2b3524eb99be"}],"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-b596b9ea6150c7a0eec622ecf8547b43","url":"https://github.com/advisories/GHSA-vp6q-7m36-pq3w","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vp6q-7m36-pq3w","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"},{"id":"sr-3525eacf953faafe112c2b3524eb99be","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-2026-27614","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.376Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b596b9ea6150c7a0eec622ecf8547b43"],"technology":"bugsink","known_exclusions":[],"conditions_summary":"### Summary\n\nAn unauthenticated attacker who can submit events to a Bugsink project can store arbitrary JavaScript in an event.\nThe payload executes only if a user explicitly views the affected Stacktrace in the web UI.\n\n### Details\n\nWhen Pygments returns more lines than it was given (a known upstream quirk that triggers with Ruby heredoc-style input), `_pygmentize_lines()` in `theme/templatetags/issues.py:75-77` falls back to returning the raw input lines. `mark_safe()` at line 111-113 is then applied unconditionally - including to those unsanitized raw lines. Since DSN endpoints are public by Sentry protocol, no account is needed to inject. The payload sits in the database until an admin looks at the event.\n\n```python\n# issues.py:75-77 - fallback path, no escaping\nif len(pygmented) != len(lines):\n    return lines  # raw HTML returned here\n\n# issues.py:111-113 - unconditional mark_safe\nreturn [mark_safe(line) for line in result]\n```\n\n### Operational Signals\n\nExploitation attempts are likely to generate the diagnostic event:\n\n```\n\"Pygments line count mismatch, falling back to unformatted code\"\n```\n\nInstallations that monitor Bugsink with Bugsink (or otherwise alert on internal erro","public_affected_ranges":["<= 2.0.12"]}],"null_published_at":"2026-10-31T22:27:15.288Z","source_updated_at":"2026-10-27T15:22:10.000Z","source_disclosed_at":"2026-02-25T16:06:00.000Z","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":"2026-10-31T21:56:51.534Z"},{"id":"NVI-00009113","kind":"vulnerability","title":"Bugsink is vulnerable to Stored XSS via Pygments fallback in stacktrace rendering","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-vp6q-7m36-pq3w","CVE-2026-27614"],"plain_summary":"GitHub lists this reviewed advisory for bugsink. 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-b596b9ea6150c7a0eec622ecf8547b43"],"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":"2026-10-27T15:22:10.000Z","value":"9.3 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b596b9ea6150c7a0eec622ecf8547b43"}],"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-b596b9ea6150c7a0eec622ecf8547b43","url":"https://github.com/advisories/GHSA-vp6q-7m36-pq3w","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vp6q-7m36-pq3w","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b596b9ea6150c7a0eec622ecf8547b43"],"technology":"bugsink","known_exclusions":[],"conditions_summary":"### Summary\n\nAn unauthenticated attacker who can submit events to a Bugsink project can store arbitrary JavaScript in an event.\nThe payload executes only if a user explicitly views the affected Stacktrace in the web UI.\n\n### Details\n\nWhen Pygments returns more lines than it was given (a known upstream quirk that triggers with Ruby heredoc-style input), `_pygmentize_lines()` in `theme/templatetags/issues.py:75-77` falls back to returning the raw input lines. `mark_safe()` at line 111-113 is then applied unconditionally - including to those unsanitized raw lines. Since DSN endpoints are public by Sentry protocol, no account is needed to inject. The payload sits in the database until an admin looks at the event.\n\n```python\n# issues.py:75-77 - fallback path, no escaping\nif len(pygmented) != len(lines):\n    return lines  # raw HTML returned here\n\n# issues.py:111-113 - unconditional mark_safe\nreturn [mark_safe(line) for line in result]\n```\n\n### Operational Signals\n\nExploitation attempts are likely to generate the diagnostic event:\n\n```\n\"Pygments line count mismatch, falling back to unformatted code\"\n```\n\nInstallations that monitor Bugsink with Bugsink (or otherwise alert on internal erro","public_affected_ranges":["<= 2.0.12"]}],"null_published_at":"2026-10-31T22:13:31.284Z","source_updated_at":"2026-10-27T15:22:10.000Z","source_disclosed_at":"2026-02-25T16:06:00.000Z","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":"2026-10-31T21:56:51.534Z"}],"next_cursor":null,"snapshot_revision":"42594"}