Vulnerability · Published Oct 26, 2026 · Assigned by VulnCheck
CVE-2026-116213Webasyst Framework through 4.4.0 Arbitrary File Read via waArchiveTar Symlinks
Medium 4.9
In plain English
A medium-severity security flaw in Webasyst Framework from Webasyst. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)4.9Medium
Exploit odds (30 days)0.4%top 60.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Webasyst | Webasyst Framework | 0 – through 4.4.0 |
Weakness: CWE-59 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
References
- GitHub Issue #396 issue-tracking
- https://github.com/webasyst/webasyst-framework/blob/cc609e5db23e68d982e15ebf65bf9d25120333af/wa-system/file/waArchiveTar.class.php#L1243-L1250 technical-description
- https://github.com/webasyst/webasyst-framework/blob/cc609e5db23e68d982e15ebf65bf9d25120333af/wa-system/file/waTheme.class.php#L2609-L2660 technical-description
- https://github.com/webasyst/webasyst-framework product
- VulnCheck Advisory: Webasyst Framework through 4.4.0 Arbitrary File Read via waArchiveTar Symlinks third-party-advisory