CVE-2026-48912 Missing authorization in Apache Answer
Authenticated users can delete arbitrary uploaded files belonging to other users due to missing ownership checks in avatar cleanup.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-48912?
CVE-2026-48912 is a medium-severity missing authorization vulnerability in Apache Answer, published on 5 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper Input Validation vulnerability in Apache Answer.
This issue affects Apache Answer: through 2.0.1.
A missing ownership check in the avatar-cleanup logic allows any authenticated user to delete other users' uploaded files by supplying their file URLs. Users are recommended to upgrade to version 2.0.2, which fixes the issue.
Weakness: CWE-639
Which versions are affected by CVE-2026-48912?
It affects 1 product.
Products include Apache Answer.
How do I fix CVE-2026-48912?
No fix has been published for CVE-2026-48912 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-48912 being exploited?
There is no known exploitation of CVE-2026-48912 in the wild and no public exploit code.
Other vulnerabilities in Apache Answer
- CVE-2026-60053 Apache Answer: Residual Administrative API Key Access After Role or Account Revocation
- CVE-2024-22393 Apache Answer: Pixel Flood Attack by uploading the large pixel file
- CVE-2026-48834 Apache Answer: Denial of service via crafted Accept-Language header parsing
- CVE-2026-48911 Apache Answer: Unauthenticated OAuth Email-Binding Account Takeover via Existing User Confirmation Flow
- CVE-2026-60023 Apache Answer: Unauthorized disclosure of deleted or pending answer content
Sources
Also known as GHSA-536r-pphc-ghq8.