CVE-2021-41097: aurelia-path is part of the Aurelia platform and contains utilities for path manipulation

Q: How do I fix CVE-2021-41097?

aurelia-path: upgrade to 1.1.7. Exact commands for each OS are on this page.

Q: Is CVE-2021-41097 being exploited?

CVE-2021-41097 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-41097 affect?

CVE-2021-41097 affects aurelia-path. Severity is critical (CVSS 9.1). aurelia-path is part of the Aurelia platform and contains utilities for path manipulation. There is a prototype pollution vulnerability in aurelia-path before version 1.1.7. The vulnerability exposes Aurelia application that uses `aurelia-p

Q: How urgent is CVE-2021-41097?

Priority 65/100. Critical severity; EPSS top 8%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.1REMOTEUPGRADE

CVE-2021-41097 is a critical-severity flaw (CVSS 9.1) affecting aurelia-path. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

aurelia-path is part of the Aurelia platform and contains utilities for path manipulation. There is a prototype pollution vulnerability in aurelia-path before version 1.1.7. The vulnerability exposes Aurelia application that uses `aurelia-path` package to parse a string. The majority of this will be Aurelia applications that employ the `aurelia-router` package. An example is this could allow an attacker to change the prototype of base object clas

Why this priority

Critical severity
EPSS top 8%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	4.9% (top 8%)
CISA exploited list	No
Weakness	CWE-1321
Published	2021-09-27
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: bluespire

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-09-27 18:15 UTCPublished CVE record published
2026-06-17 04:07 UTCUpdated Record last modified

bluespire aurelia-path UPGRADE

Affected: < 1.1.7

Fixed in: 1.1.7

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls aurelia-path

2. UPGRADE to 1.1.7

npm install aurelia-path@">=1.1.7"

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Aurelia-Path < 1.1.7 - Prototype Pollution

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-41097?

aurelia-path: upgrade to 1.1.7. Exact commands for each OS are on this page.

Is CVE-2021-41097 being exploited?

CVE-2021-41097 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-41097 affect?

CVE-2021-41097 affects aurelia-path. Severity is critical (CVSS 9.1). aurelia-path is part of the Aurelia platform and contains utilities for path manipulation. There is a prototype pollution vulnerability in aurelia-path before version 1.1.7. The vulnerability exposes Aurelia application that uses `aurelia-p

How urgent is CVE-2021-41097?

Priority 65/100. Critical severity; EPSS top 8%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

References

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