CVE-2026-1115
CriticalPublic exploitparisneo/lollms vulnerable to stored XSS in the social feature
Published Apr 10, 2026 · Updated Aug 29, 2026 · Also known as GHSA-8wrq-fv5f-pfp2, PYSEC-2026-401
Key Facts
Patch immediately- CVE-2026-1115 is a critical-severity vulnerability (CVSS 9.6 v3.1) affecting Lollms, parisneo/lollms.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 1.3% probability of exploitation in the next 30 days.
- Fixed versions are available, including Lollms 2.2.0, Lollms 2.1.0, parisneo/lollms 2.2.0.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
CVSS v3.1
9.6
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
1.3%
Higher than 69.1% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2026-1115 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
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 users viewing the Home Feed, including administrators. This can lead to account takeover, session hijacking, and wormable attacks. The issue is resolved in version 2.2.0.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| LollmsLollms | See advisory | 2.1.0 |
| parisneo/lollms | >= unspecified | 2.2.0 |
Patched Releases
Lollms
2.2.0, 2.1.0
parisneo/lollms
2.2.0
Timeline
Publicly disclosed
Apr 10, 2026
Last updated
Aug 29, 2026
Weakness Type
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- advisoryGHSA advisory
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1115.json
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2026-1115
- articlehttps://github.com/parisneo/lollms/commit/9767b882dbc893c388a286856beeaead69b8292a
- articlehttps://huntr.com/bounties/099aa4fe-7165-4337-889c-3fb4f1aa71aa
FAQ
Common Questions.
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.
Affected: Lollms; parisneo/lollms versions >= unspecified. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Lollms 2.2.0, Lollms 2.1.0, parisneo/lollms 2.2.0.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2026-1115 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo