How severe is CVE-2019-17626?

CVE-2019-17626 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-17626 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-17626?

CVE-2019-17626 affects Reportlab. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-17626?

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

When was CVE-2019-17626 published?

CVE-2019-17626 was published on 2019-10-16 and last updated on 2026-06-17.

CVE-2019-17626

CVE-2019-17626 is a critical-severity vulnerability in Reportlab with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-91.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-91
Affected product: Reportlab
Published: 2019-10-16
Last modified: 2026-06-17

Description

ReportLab through 3.5.26 allows remote code execution because of toColor(eval(arg)) in colors.py, as demonstrated by a crafted XML document with '<span color="' followed by arbitrary Python code.

Frequently asked questions

What is CVE-2019-17626?: ReportLab through 3.5.26 allows remote code execution because of toColor(eval(arg)) in colors.py, as demonstrated by a crafted XML document with '<span color="' followed by arbitrary Python code.
How severe is CVE-2019-17626?: CVE-2019-17626 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-17626 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-17626?: CVE-2019-17626 affects Reportlab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-17626?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-17626 published?: CVE-2019-17626 was published on 2019-10-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:reportlab:reportlab:*:*:*:*:*:*:*:*

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