How severe is CVE-2025-55151?

CVE-2025-55151 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2025-55151 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55151?

CVE-2025-55151 affects Stirlingpdf Stirling Pdf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55151?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-55151 have an EU (EUVD) identifier?

Yes. CVE-2025-55151 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24187.

When was CVE-2025-55151 published?

CVE-2025-55151 was published on 2025-08-11 and last updated on 2026-06-17.

CVE-2025-55151

CVE-2025-55151 is a high-severity vulnerability in Stirlingpdf Stirling Pdf with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24187
Weakness: CWE-918
Affected product: Stirlingpdf Stirling Pdf
Published: 2025-08-11
Last modified: 2026-06-17

Description

Stirling-PDF is a locally hosted web application that performs various operations on PDF files. Prior to version 1.1.0, the "convert file to pdf" functionality (/api/v1/convert/file/pdf) uses LibreOffice's unoconvert tool for conversion, and SSRF vulnerabilities exist during the conversion process. This issue has been patched in version 1.1.0.

Frequently asked questions

What is CVE-2025-55151?: Stirling-PDF is a locally hosted web application that performs various operations on PDF files. Prior to version 1.1.0, the "convert file to pdf" functionality (/api/v1/convert/file/pdf) uses LibreOffice's unoconvert tool for conversion, and SSRF vulnerabilities exist during the conversion process. This issue has been patched in version 1.1.0.
How severe is CVE-2025-55151?: CVE-2025-55151 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2025-55151 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55151?: CVE-2025-55151 affects Stirlingpdf Stirling Pdf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55151?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-55151 have an EU (EUVD) identifier?: Yes. CVE-2025-55151 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24187.
When was CVE-2025-55151 published?: CVE-2025-55151 was published on 2025-08-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:stirlingpdf:stirling_pdf:*:*:*:*:*:*:*:*

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