Quick answers
- Is CVE-2026-118495 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-118495 being exploited in the wild.
- How severe is CVE-2026-118495?
- Informational severity, published 12 November 2026.
- Which products and versions are affected?
- AcyMailing 6.0.0 through 11.1.1.
- Is there a fix for CVE-2026-118495?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-118495 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-118495?
- Check whether you run AcyMailing at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is an information disclosure flaw in AcyMailing versions 6.0.0 through 11.1.1 that allows unauthenticated access to subscriber records via email address enumeration. An attacker can extract the per-subscriber secret key that authorizes subscription management endpoints (GDPR export and deletion functions), enabling account takeover of those specific operations without authentication.
Affected products
- AcyMailing AcyMailing 6.0.0 through 11.1.1
Timeline
- 2026-11-12: disclosed