Quick answers
- Is CVE-2026-62113 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-62113 being exploited in the wild.
- How severe is CVE-2026-62113?
- Medium severity, with a CVSS score of 4.3, published 11 September 2026.
- Which products and versions are affected?
- eLightUp Slim SEO <= 4.10.0.
- Is there a fix for CVE-2026-62113?
- A patch was published on 2026-09-11: Version 4.10.1 released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-62113 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-62113?
- Check whether you run eLightUp Slim SEO 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 Insecure Direct Object References (IDOR) flaw in Slim SEO versions up to 4.10.0 that affects contributor-level endpoints. An authenticated user with contributor privileges can change numeric IDs in URLs to access or manipulate objects (such as posts or settings) belonging to other users. The attack requires authentication as a contributor but no special privileges. The vulnerability was patched in version 4.10.1.
Affected products
- eLightUp Slim SEO <= 4.10.0
Timeline
- 2026-08-31: disclosed: Reported by Sybre Waaijer
- 2026-09-11: advisory: Published by Patchstack
- 2026-09-11: patched: Version 4.10.1 released