How severe is CVE-2026-45242?

CVE-2026-45242 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2026-45242 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-45242?

CVE-2026-45242 affects Steipete Summarize. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-45242?

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-2026-45242 have an EU (EUVD) identifier?

Yes. CVE-2026-45242 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30797.

When was CVE-2026-45242 published?

CVE-2026-45242 was published on 2026-05-18 and last updated on 2026-06-17.

CVE-2026-45242

CVE-2026-45242 is a high-severity vulnerability in Steipete Summarize with a CVSS 3.x base score of 7.1. 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-862.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v4: 7.1
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30797
Weakness: CWE-862
Affected product: Steipete Summarize
Published: 2026-05-18
Last modified: 2026-06-17

Description

Summarize prior to 0.15.1 contains a path traversal vulnerability in the /v1/summarize daemon endpoint that allows authenticated callers to write files to arbitrary directories by supplying an absolute path or directory traversal sequence in the slidesDir request parameter. Attackers can exploit this to write slide_*.png and slides.json files to any writable directory and subsequently delete matching files at the specified location through repeat extraction.

Frequently asked questions

What is CVE-2026-45242?: Summarize prior to 0.15.1 contains a path traversal vulnerability in the /v1/summarize daemon endpoint that allows authenticated callers to write files to arbitrary directories by supplying an absolute path or directory traversal sequence in the slidesDir request parameter. Attackers can exploit this to write slide_*.png and slides.json files to any writable directory and subsequently delete matching files at the specified location through repeat extraction.
How severe is CVE-2026-45242?: CVE-2026-45242 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2026-45242 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-45242?: CVE-2026-45242 affects Steipete Summarize. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-45242?: 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-2026-45242 have an EU (EUVD) identifier?: Yes. CVE-2026-45242 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30797.
When was CVE-2026-45242 published?: CVE-2026-45242 was published on 2026-05-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:steipete:summarize:*:*:*:*:*:*:*:*

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