CVE-2026-25699 Apache Answer: Authorization Bypass in Timeline API
Authenticated users can access deleted, private, or unapproved content and revision history due to missing authorization checks in the Timeline API.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-25699?
CVE-2026-25699 is a medium-severity missing authorization vulnerability in Apache Answer, published on 9 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Exposure of Private Personal Information to an Unauthorized Actor vulnerability in Apache Answer.
This issue affects Apache Answer: through 2.0.0.
Timeline-related APIs lacked proper authorization checks, allowing regular authenticated users to access deleted, private, or unapproved content and its revision history. Users are recommended to upgrade to version 2.0.1, which fixes the issue.
Weakness: CWE-359
Which versions are affected by CVE-2026-25699?
3 open source packages ship an affected version, including github.com/apache/incubator-answer and github.com/apache/answer. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/apache/incubator-answer Go | All versions | 1.7.2-0.20260206073245-92994b49976b |
github.com/apache/incubator-answer Go | All versions | 1.7.2-0.20260206073245-92994b49976b |
github.com/apache/answer Go | All versions | 1.7.2-0.20260206073245-92994b49976b |
Products include Apache Answer.
How do I fix CVE-2026-25699?
Upgrade github.com/apache/incubator-answer to 1.7.2-0.20260206073245-92994b49976b or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-25699 being exploited?
There is no known exploitation of CVE-2026-25699 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-w754-5646-xq9j, GO-2026-6148.