CVE-2026-26099: Uncontrolled Search Path Element in Owl opds 2.2.0.4 allows Leveraging/Manipulating Configuration File Search

Routine

MEDIUM 5.5MITIGATE

CVE-2026-26099 is a medium-severity flaw (CVSS 5.5) affecting opds-talon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Uncontrolled Search Path Element in Owl opds 2.2.0.4 allows Leveraging/Manipulating Configuration File Search Paths via a crafted network request.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 98%)
CISA exploited list	No
Weakness	CWE-427
Published	2026-02-20
Last modified	2026-06-17

Publisher (CNA): Nozomi Networks Inc. · Vendor: owlcyberdefense

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

Am I affected?

Timeline

2026-02-20 17:25 UTCPublished CVE record published
2026-06-17 10:25 UTCUpdated Record last modified

owlcyberdefense opds-talon MITIGATE

Affected: 2.2.0.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2.0.4

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2026-26099?

opds-talon: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-26099 being exploited?

CVE-2026-26099 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-2026-26099 affect?

CVE-2026-26099 affects opds-talon. Severity is medium (CVSS 5.5). Uncontrolled Search Path Element in Owl opds 2.2.0.4 allows Leveraging/Manipulating Configuration File Search Paths via a crafted network request.

How urgent is CVE-2026-26099?

Priority 20/100. No elevated risk signals yet.

Related CVEs

CVE-2026-2333 CRITICAL 9.8 MITIGATE Improper Neutralization of Special Elements used in a Command ('Command Injection') in Owl opds 2.2.0.4 allows
CVE-2026-26102 HIGH 7.8 MITIGATE Incorrect Permission Assignment for Critical Resource in Owl opds 2.2.0.4 allows File Manipulation via a craft
CVE-2026-26101 HIGH 7.8 MITIGATE Incorrect Permission Assignment for Critical Resource in Owl opds 2.2.0.4 allows File Manipulation via a craft
CVE-2026-26100 MEDIUM 5.5 MITIGATE Incorrect Permission Assignment for Critical Resource in Owl opds 2.2.0.4 allows File Manipulation via a craft
CVE-2026-26098 MEDIUM 5.5 MITIGATE Uncontrolled Search Path Element in Owl opds 2.2.0.4 allows Leveraging/Manipulating Configuration File Search

References

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