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CVE-2026-34033

MEDIUM

CVE-2026-34033 is a medium-severity (CVSS 5.4) CWE-80 vulnerability in github.com/apache/incubator-answer. O3 Security confirms whether CVE-2026-34033 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Apache Answer: HTML Content Injection in Email

Also known asGHSA-6qwm-5fm9-cvjx
Published
Jun 9, 2026
Updated
Jul 31, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed

Blast Radius

1 pkg affected
🐹github.com/apache/incubator-answer

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Apache Answer.

This issue affects Apache Answer: through 2.0.0.

User-supplied content was included in notification emails without proper escaping, allowing authenticated users to inject arbitrary HTML into emails sent to other users. Users are recommended to upgrade to version 2.0.1, which fixes the issue.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐹Gogithub.com/apache/incubator-answerall versions1.7.2-0.20260509080709-d1a4092c61cc

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/apache/incubator-answer. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update github.com/apache/incubator-answer to 1.7.2-0.20260509080709-d1a4092c61cc or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2026-34033 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether CVE-2026-34033 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to CVE-2026-34033. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. User-supplied content was included in notification emails without proper escaping, allowing authenticated users to inject arbitrary HTML into emails sent to other users. Users are recommended to upgrade to version 2.0.1, which fixes the issue.
O3 Security · Impact-Aware SCA

Is CVE-2026-34033 in your dependencies?

O3 detects CVE-2026-34033 across Go dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.