CVE-2026-1115: A Stored Cross-Site Scripting (XSS) vulnerability was identified in the social feature of parisneo/lollms, aff
CVE-2026-1115 is a critical-severity flaw (CVSS 9.6) affecting lollms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A Stored Cross-Site Scripting (XSS) vulnerability was identified in the social feature of parisneo/lollms, affecting the latest version prior to 2.2.0. The vulnerability exists in the `create_post` function within `backend/routers/social/__init__.py`, where user-provided content is directly assigned to the `DBPost` model without sanitization. This allows attackers to inject and store malicious JavaScript, which is executed in the browsers of user
Why this priority
- Critical severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.6 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.3% (top 31%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2026-04-10 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Nuclei scan template: parisneo/lollms < 2.2.0 - Authenticated Stored XSS
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-1115?
lollms: upgrade to newer than 2.1.0. Exact commands for each OS are on this page.
Is CVE-2026-1115 being exploited?
CVE-2026-1115 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-1115 affect?
CVE-2026-1115 affects lollms. Severity is critical (CVSS 9.6). A Stored Cross-Site Scripting (XSS) vulnerability was identified in the social feature of parisneo/lollms, affecting the latest version prior to 2.2.0. The vulnerability exists in the `create_post` function within `backend/routers/social/__
How urgent is CVE-2026-1115?
Priority 56/100. Critical severity; Public exploit reference
Related CVEs
- CVE-2026-1114 CRITICAL 9.8 DOWNGRADE In parisneo/lollms version 2.1.0, the application's session management is vulnerable to improper access contro
- CVE-2026-1116 MEDIUM 6.1 UPGRADE A Cross-site Scripting (XSS) vulnerability was identified in the `from_dict` method of the `AppLollmsMessage`
- CVE-2026-12228 MEDIUM 5.4 UPGRADE A stored cross-site scripting (XSS) vulnerability exists in the `POST /api/prompts/share` endpoint of parisneo