CVE-2026-48945Joomla Extension - getk2.org - Privileged RCE vulnerability in K2 extension for Joomla < 2.26
Updated under an hour ago ()
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It affects getk2.org K2 extension for Joomla and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
The K2 article gallery upload path accepts a zip/tar archive, extracts it under `/media/k2/galleries/<id>/`, and only renames image files (gif/jpg/jpeg/png/webp) to safe names — non-image files (including `.php`) are extracted as-is and remain executable via direct HTTP access.
- CVSS
- 5.3 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-434
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Joomla
- NVD analysis
- Analyzed
- Record last updated
- Jun 28, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
getk2.org K2 extension for Joomla getk2.org:k2_extension_for_joomla (from the name) | 1.0-2.26 | CNA record |
joomlaworks k2 joomlaworks:k2 | through 2.26 | NVD |
References
- https://www.getk2.org/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.