Adobe
Adobe Commerce and Magento Unrestricted File Upload Vulnerability
At a glance
Actively exploited in the wild — prioritise confirming exposure.
High rather than Critical: exposure is scored at a default because we cannot see your systems or suppliers. If you run or depend on Adobe Commerce, treat it as Critical.
Briefing
- Do not treat uncorroborated claims as confirmed breaches.
Questions to ask IT
- Do we run Adobe Commerce, Dangerous Type and Magento, and which versions?
- Is any of it reachable from the internet?
- Have we checked whether it has already been used against us?
- If it is still not patched, what mitigation is in place, and what is holding the fix up?
Next steps
- Confirm exposure and remediation status for affected products
Vulnerability facts
Full CVE detail CVE-2026-48356- 9.3 · CriticalExploitable over the network without any account, but only if a user takes an action, such as opening a file or link. High impact on confidentiality and integrity, and it can reach beyond the vulnerable system.CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
- Listed: attacks using it have been seen (on the catalogue since )
- Elevated attack likelihood (~47.5% in 30 days)
No technical write-up beyond these facts and the summary below yet.
Next steps
- Confirm whether affected products/versions are present and prioritise patching or mitigations
Summary
- Adobe Commerce and Magento contain an unrestricted upload of file with dangerous type vulnerability that could result in arbitrary code execution in the context of the current user, potentially gaining elevated access or control over the victim's account or session.
- CVE-2026-48356 is confirmed as exploited in the wild (US known-exploited catalogue)
- CVE-2026-48356 has an estimated ~30.6% chance of attack in 30 days (98.2th percentile) as of 2026-10-27 — probability signal, not confirmed exploitation
- Authoritative catalogues report active exploitation of this vulnerability.
Products and services involved
- Adobe Commerce93% match confidence · CVE-2026-48356
- Dangerous Type98% match confidence · CVE-2026-48356
- Magento93% match confidence · CVE-2026-48356
Pulse
Last checked 3d ago · Recheck overdue since 6 Nov 2026, 14:05 UK time
- Story27 Oct 2026, 20:32 UK time · 27 Oct
Linked reporting from CISA (official authority).
Read source (CISA Known Exploited Vulnerabilities)
1 entry so far. The timeline chart appears once this story has more history.
Sources
Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ConfirmedHeadline90% confidence
Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability
- ConfirmedSummary fact75% confidence
Adobe Commerce and Magento contain an unrestricted upload of file with dangerous type vulnerability that could result in arbitrary code execution in the context of the current user, potentially gaining elevated access or control over the victim's account or session.
- ConfirmedCVE identifier95% confidence
Event involves CVE-2026-48356
- ConfirmedKnown-exploited catalogue98% confidence
CVE-2026-48356 is confirmed as exploited in the wild (US known-exploited catalogue)
- ConfirmedEstimated attack likelihood95% confidence
CVE-2026-48356 has an estimated ~30.6% chance of attack in 30 days (98.2th percentile) as of 2026-10-27 — probability signal, not confirmed exploitation