How severe is CVE-2019-13976?

CVE-2019-13976 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-2019-13976 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-13976?

CVE-2019-13976 affects Egain Chat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-13976?

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-2019-13976 published?

CVE-2019-13976 was published on 2019-09-04 and last updated on 2026-06-17.

CVE-2019-13976

CVE-2019-13976 is a critical-severity vulnerability in Egain Chat with a CVSS 3.x base score of 9.8. 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Egain Chat
Published: 2019-09-04
Last modified: 2026-06-17

Description

eGain Chat 15.0.3 allows unrestricted file upload.

Frequently asked questions

What is CVE-2019-13976?: eGain Chat 15.0.3 allows unrestricted file upload.
How severe is CVE-2019-13976?: CVE-2019-13976 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-2019-13976 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-13976?: CVE-2019-13976 affects Egain Chat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-13976?: 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-2019-13976 published?: CVE-2019-13976 was published on 2019-09-04 and last updated on 2026-06-17.

References

https://medium.com/%40dr.spitfire/bypass-file-upload-restrictions-cve-2019-13976-35682bd1fdd3

Affected products (1)

cpe:2.3:a:egain:chat:15.0.3:*:*:*:*:*:*:*

More vulnerabilities in Egain Chat

CVE-2020-15948 — Medium (CVSS 6.1): eGain Chat 15.5.5 allows XSS via the Name (aka full_name) field.
CVE-2019-13975 — Medium (CVSS 6.1): eGain Chat 15.0.3 allows HTML Injection.

All CVEs affecting Egain Chat →

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-48283 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-48276 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-57700 — Critical (CVSS 10.0): Unrestricted Upload of File with Dangerous Type vulnerability in Daan.Dev OMGF Pro allows Using Malicious Files. This…
CVE-2025-69129 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in WordPress & WooCommerce Scraper Plugin, Import Data from Any Site <= 1.0.7…
CVE-2026-40772 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in GeekyBot <= 1.2.2 versions.
CVE-2026-40412 — Critical (CVSS 10.0): Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code…

Browse all CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities →