Bypass of application rate-limiting mechanism

published 2026-07-28 3 mo ago modified 2026-10-24 16 d ago also EUVD-2026-49714

cvss: 3.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 2%
public exploits: 0; none known

Successful exploitation of this vulnerability could allow an attacker with local network access to bypass the application's rate-limiting mechanism, enabling brute-forcing of the screen-sharing code and potentially displaying harmful content on the affected screen.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 3 mo ago (2026-07-28)

Exploit prediction

0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

EShare ESharePro

Classification

Weakness

CWE-307 Improper Restriction of Excessive Authentication Attempts

References

csa.gov.sg /alerts-and-advisories/alerts/al-2026-093/

Sources

CVE List CVE-2026-55977
NVD CVE-2026-55977

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Summary