# CVE-2026-125373: IETF Datatracker before 12.83.0 Cross-NomCom Authorization Bypass via Nomcom Views

Status: published. Published: 2026-11-09. Updated: 2026-11-09.

IETF Datatracker before 12.83.0 contains an authorization bypass vulnerability that allows NomCom role holders to access other committees' records by supplying sequential primary keys. Attackers can abuse view_feedback_nominee, view_feedback_topic, view_feedback_unrelated and edit_nominee to view confidential nominee identities, reclassify feedback, and change nominee email addresses.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulnCheck) — https://github.com/ietf-tools/datatracker/commit/f5bed82fee83d1dc28d89e15856fd329719ebda2

## Affected products and versions

- ietf-tools / datatracker: ≥ 0; < 12.83.0 (affected, semver). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 5.3 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N; source: CNA: VulnCheck

- CVSS 3.1: 5.4 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N; source: CNA: VulnCheck

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-639

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/ietf-tools/datatracker/commit/f5bed82fee83d1dc28d89e15856fd329719ebda2 (CNA: VulnCheck; patch)

- https://github.com/ietf-tools/datatracker (CNA: VulnCheck; product)

- https://github.com/ietf-tools/datatracker/blob/3aa2f63af2b0198928e36db42203f55cfea53fbd/ietf/nomcom/views.py#L1001-L1010 (CNA: VulnCheck; technical-description)

- https://github.com/ietf-tools/datatracker/releases/tag/12.83.0 (CNA: VulnCheck; release-notes)

- https://www.vulncheck.com/advisories/ietf-datatracker-before-12.83.0-cross-nomcom-authorization-bypass-via-nomcom-views (CNA: VulnCheck; third-party-advisory)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-125373; retrieved 2026-11-10; source updated 2026-11-09

Revision: 7a566bd73e1e988dd776e224513747c2befcb356ee731ca2e38221b6d6a507f7

Canonical: https://y2.dev/cve/CVE-2026-125373

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.