# CVE-2026-55076 — coder

> As of 2026-07-07, CVE-2026-55076 is a HIGH-severity vulnerability in coder, CVSS v3.1 7.4. No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-55076 as of 2026-07-07; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-07-07

## What is CVE-2026-55076?

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, Coder's OIDC callback checked `email_verified` with a direct Go `bool` type assertion. When an IdP returned the claim as a non-boolean (for example the string `"false"`) or omitted it, the assertion failed open and the email was treated as verified. Combined with an unconditional email-based account fallback, this enabled account takeover. The fix in versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 coerces `email_verified` across bool, string and numeric types (fail-closed) and blocks the email fallback when the matched user already has a different linked IdP subject. As a workaround, ensure the IdP returns `email_verified` as a native JSON boolean. The email-fallback linking issue has no configuration workaround; upgrading is required.

The record classifies CVE-2026-55076 under weakness classes [CWE-287](https://intel.threadlinqs.com/cwe/CWE-287), [CWE-704](https://cwe.mitre.org/data/definitions/704.html). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 90 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 7.4 — HIGH (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3.7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-07

## Is CVE-2026-55076 being exploited?

It currently carries a trending score of 30 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **coder**: coder

Affected software packages:

- `go:github.com/coder/coder/v2` — patched in 2.34.2
- `go:github.com/coder/coder/v2` — patched in 2.33.8
- `go:github.com/coder/coder/v2` — patched in 2.32.7
- `go:github.com/coder/coder/v2` — patched in 2.29.17

## How to fix CVE-2026-55076

Fixed versions are recorded for 4 packages: go:github.com/coder/coder/v2 2.34.2, go:github.com/coder/coder/v2 2.33.8, go:github.com/coder/coder/v2 2.32.7, go:github.com/coder/coder/v2 2.29.17. No vendor patch reference has been recorded for CVE-2026-55076 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-55076

No threat campaign in the Threadlinqs corpus currently references CVE-2026-55076, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, NVD, GitHub Security Advisories. Last verified by Threadlinqs on 2026-07-09. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [github.com](https://github.com/coder/coder/security/advisories/GHSA-75vm-6w67-gwvp)

**Other references**

- [github.com](https://github.com/coder/coder/pull/25712)
- [github.com (25713)](https://github.com/coder/coder/pull/25713)
- [github.com (v2.29)](https://github.com/coder/coder/releases/tag/v2.29.17)
- [github.com (v2.32)](https://github.com/coder/coder/releases/tag/v2.32.7)
- [github.com (v2.33)](https://github.com/coder/coder/releases/tag/v2.33.8)

_Showing 6 of 7 recorded references._

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-55076
Full detection coverage and IOCs for threats exploiting CVE-2026-55076 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp