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CVE-2026-19871VulnerabilityPublished

Roskus Prospero Flow CRM · Use of Hard-coded Credentials

Source GCVE Database

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Authoritative record:CVE-2026-19871· Critical 9.3

Not known to be exploited · CVSS 9.3 Critical : upgrade to 5.15.9 as a priority.

Data as of 12 Nov 2026, 23:24 UTC

CVSS 4.0 base score
9.3Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 45% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 5.15.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Upgrade Prospero Flow CRM to 5.15.9.

Affected software

ProductAffectedFixed in
RoskusProspero Flow CRMAffected
  • <5.15.9
Fixed in
  • 5.15.9
GitHubProspero Flow CRMpkg:github/Prospero Flow CRMOther threatsAffected
  • <5.15.9
Fixed in
  • 5.15.9

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

The vulnerability is fixed in Roskus Prospero Flow CRM version 5.15.9. Users should upgrade to version 5.15.9 or later to remediate this issue. No other mitigation or workaround is indicated.

Description

A critical vulnerability exists in the human resources component of Roskus Prospero Flow CRM versions before 5.15.9. The issue involves hard-coded credentials where the employee save controller defaults to the literal password "changeme" during onboarding, allowing unauthenticated remote attackers to authenticate as any employee if they know the employee's email address. This occurs because the onboarding form does not require a password field, enabling attackers to bypass authentication controls.

References

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