CVE-2026-59193
CVE-2026-59193 is a medium-severity vulnerability in Getgrav Grav with a CVSS 3.x base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-409.
Key facts
- Severity: Medium (CVSS 3.x base score 4.9)
- CVSS v4: 6.9
- EPSS exploit prediction: 0% (32nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-409
- Affected product: Getgrav Grav
- Published:
- Last modified:
Description
Grav is a file-based Web platform. Prior to 2.0.0, an authenticated admin.super user can crash Grav or fill the disk by uploading a specially crafted ZIP archive through the Direct Install tool because Installer::unZip calls ZipArchive::extractTo without limits on uncompressed size, entry count, or directory depth. This issue is fixed in version 2.0.0.
Frequently asked questions
- What is CVE-2026-59193?
- Grav is a file-based Web platform. Prior to 2.0.0, an authenticated admin.super user can crash Grav or fill the disk by uploading a specially crafted ZIP archive through the Direct Install tool because Installer::unZip calls ZipArchive::extractTo without limits on uncompressed size, entry count, or directory depth. This issue is fixed in version 2.0.0.
- How severe is CVE-2026-59193?
- CVE-2026-59193 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-59193 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-59193?
- CVE-2026-59193 primarily affects Getgrav Grav. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-59193?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2026-59193 published?
- CVE-2026-59193 was published on 2026-07-10.
References
- https://github.com/getgrav/grav/commit/23d6f2adf4ce11889c088ac8557c8314baeef781
- https://github.com/getgrav/grav/releases/tag/2.0.0
- https://github.com/getgrav/grav/security/advisories/GHSA-2vcx-h8p2-9pg9
Affected products (2)
- cpe:2.3:a:getgrav:grav:*:*:*:*:*:*:*:*
- cpe:2.3:a:getgrav:grav:2.0.0:beta1:*:*:*:*:*:*
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