CVSS 4.0
6.0 mediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NCVE-2026-121734
Medium (6.0). EPSS 0.3% estimated probability of exploitation activity in the next 30 days.
ZaneOps 1.14.0 before 1.15.2 contains an authorization bypass vulnerability that allows any workspace administrator to read another workspace's pending preview environment by querying ReviewPreviewEnvDeployAPIView without project scoping. Attackers can use the project slug and environment name from public fork pull request comments to retrieve plaintext environment variables and preview basic-auth credentials.
Severity
CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N- EPSS
- 0.3% estimated probability of exploitation activity in the next 30 days; 20th percentile. Scored 2026-11-04. A forecast for this CVE across the internet, not for your own systems.
- CWE
- CWE-639 Authorization Bypass Through User-Controlled Key
- OWASP Top 10
- A01:2025 Broken Access Control
- Published
- Record from
- the NVD, synced
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Explain CVE-2026-121734 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-121734?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-121734?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-121734 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| zane-ops | from 1.14.0 before 1.15.2 |
References
- https://github.com/zane-ops/zane-ops
- https://github.com/zane-ops/zane-ops/blob/v1.15.1/backend/zane_api/views/environments.py#L246-L248
- https://github.com/zane-ops/zane-ops/commit/0f3e30403a605dc155a664bc70722c74159a6494
- https://github.com/zane-ops/zane-ops/releases/tag/v1.15.2
- https://github.com/zane-ops/zane-ops/security/advisories/GHSA-r87v-8542-wx9q
- https://www.vulncheck.com/advisories/zaneops-1.14.0-before-1.15.2-cross-workspace-information-disclosure-via-reviewpreviewenvdeployapiview