CVE-2026-24903: OrcaStatLLM Researcher is an LLM Based Research Paper Generator

Routine

MEDIUM 5.4DOWNGRADE

CVE-2026-24903 is a medium-severity flaw (CVSS 5.4) affecting orcastatllm researcher. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OrcaStatLLM Researcher is an LLM Based Research Paper Generator. A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the Log Message in the Session Page in OrcaStatLLM-Researcher that allows attackers to inject and execute arbitrary JavaScript code in victims' browsers through malicious research topic inputs.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.2% (top 91%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-02-06
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: algonet

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

Am I affected?

Timeline

2026-02-06 18:15 UTCPublished CVE record published
2026-06-17 10:23 UTCUpdated Record last modified

algonet orcastatllm researcher DOWNGRADE

Affected: 1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1

1. Check installed version

apt-cache policy orcastatllm-researcher || rpm -q orcastatllm-researcher || orcastatllm-researcher --version

2. No fixed release: DOWNGRADE to a release before 1 (Debian / Ubuntu)

apt-cache madison orcastatllm-researcher sudo apt install orcastatllm-researcher=<VERSION_BEFORE_1> sudo apt-mark hold orcastatllm-researcher

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list orcastatllm-researcher sudo dnf downgrade orcastatllm-researcher-<VERSION_BEFORE_1> sudo dnf versionlock add orcastatllm-researcher

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-24903?

orcastatllm researcher: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-24903 being exploited?

CVE-2026-24903 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-2026-24903 affect?

CVE-2026-24903 affects orcastatllm researcher. Severity is medium (CVSS 5.4). OrcaStatLLM Researcher is an LLM Based Research Paper Generator. A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the Log Message in the Session Page in OrcaStatLLM-Researcher that allows attackers to inject and execute

How urgent is CVE-2026-24903?

Priority 26/100. Public exploit reference

References

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