OpenLearn's pending forum posts remain publicly readable by direct ID when moderation mode is enabled
Priority HIGH 70CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284.
Summary
OpenLearn is open-source educational forum software. Prior to commit 844b2a40a69d0c4911580fe501923f0b391313ab, when `safeMode` is enabled, unapproved forum posts are hidden from the public list, but the direct post-read procedure still returns the full post to anyone with the post UUID. Commit 844b2a40a69d0c4911580fe501923f0b391313ab fixes the issue.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00177 7th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed OpenLearn (siemvk): 844b2a40a69d0c4911580fe501923f0b391313ab
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| siemvk | OpenLearn | before 844b2a40a69d0c4911580fe501923f0b391313ab | 844b2a40a69d0c4911580fe501923f0b391313ab | Patch available | CNA |
- OpenLearn Vendorsiemvk Affected before 844b2a40a69d0c4911580fe501923f0b391313ab Fixed in 844b2a40a69d0c4911580fe501923f0b391313ab Patch available CNA
Remediation
- Fix · CNA OpenLearn (siemvk) Fixed in 844b2a40a69d0c4911580fe501923f0b391313ab
Timeline
- 2026-10-02 Threatist record created from CVE-2026-41243
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences