CVE-2026-0562: A critical security vulnerability in parisneo/lollms versions up to 2.2.0 allows any authenticated user to acc

Q: How do I fix CVE-2026-0562?

lollms: upgrade to newer than 2.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-0562 being exploited?

CVE-2026-0562 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-0562 affect?

CVE-2026-0562 affects lollms. Severity is high (CVSS 8.3). A critical security vulnerability in parisneo/lollms versions up to 2.2.0 allows any authenticated user to accept or reject friend requests belonging to other users. The `respond_request()` function in `backend/routers/friends.py` does not

Q: How urgent is CVE-2026-0562?

Priority 39/100. High severity; Public exploit reference

Routine

HIGH 8.3UPGRADE

CVE-2026-0562 is a high-severity flaw (CVSS 8.3) affecting lollms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A critical security vulnerability in parisneo/lollms versions up to 2.2.0 allows any authenticated user to accept or reject friend requests belonging to other users. The `respond_request()` function in `backend/routers/friends.py` does not implement proper authorization checks, enabling Insecure Direct Object Reference (IDOR) attacks. Specifically, the `/api/friends/requests/{friendship_id}` endpoint fails to verify whether the authenticated user

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-863
Published	2026-03-29
Last modified	2026-06-17

Publisher (CNA): huntr.dev · Vendor: lollms

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-29 18:16 UTCPublished CVE record published
2026-06-17 10:10 UTCUpdated Record last modified

lollms lollms UPGRADE

Affected: <= 2.1.0

Fixed in: newer than 2.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy lollms || rpm -q lollms || lollms --version

2. UPGRADE to newer than 2.1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade lollms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lollms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2026-0562?

lollms: upgrade to newer than 2.1.0. Exact commands for each OS are on this page.

Is CVE-2026-0562 being exploited?

CVE-2026-0562 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-2026-0562 affect?

CVE-2026-0562 affects lollms. Severity is high (CVSS 8.3). A critical security vulnerability in parisneo/lollms versions up to 2.2.0 allows any authenticated user to accept or reject friend requests belonging to other users. The `respond_request()` function in `backend/routers/friends.py` does not

How urgent is CVE-2026-0562?

Priority 39/100. High 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-2026-1115 CRITICAL 9.6 UPGRADE A Stored Cross-Site Scripting (XSS) vulnerability was identified in the social feature of parisneo/lollms, aff
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
CVE-2026-0560 HIGH 7.5 UPGRADE A Server-Side Request Forgery (SSRF) vulnerability exists in parisneo/lollms versions prior to 2.2.0, specific

References

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