Tata Motors iRA 2.0: Origin Validation Error
CVE-2026-121145 is a high-severity origin validation error vulnerability in Tata Motors iRA 2.0 from Tata Motors, with a CVSS 4.0 base score of 7.1 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, but only if a user takes part, for example by opening a link or file. Affected Tata Motors iRA 2.0 versions: versions 26.7.3 and below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.21% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of Tata Motors iRA 2.0 you run against the affected versions below, and install the vendor's latest release.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
- Because the attack needs a user to take part, warn users about unexpected links and files related to this product until it is patched.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Tata Motors | Tata Motors iRA 2.0 | versions 26.7.3 and below | Not stated |
| Tata Motors | Tata Motors iRA.ev | versions 26.7.2 and below | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Attack requirements
- NoneThe attack does not depend on a particular deployment or configuration.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- PassiveA user only needs to do something routine, such as viewing a page.
- Confidentiality (vulnerable system)
- HighSerious loss of confidentiality on the vulnerable system.
- Integrity (vulnerable system)
- NoneNo loss of integrity on the vulnerable system.
- Availability (vulnerable system)
- NoneNo loss of availability on the vulnerable system.
- Confidentiality (other systems)
- NoneNo loss of confidentiality on systems beyond the vulnerable one.
- Integrity (other systems)
- NoneNo loss of integrity on systems beyond the vulnerable one.
- Availability (other systems)
- NoneNo loss of availability on systems beyond the vulnerable one.
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. Scored by CNA (cert-in.org.in).
Official description
This vulnerability exists in the iRA 2.0 and iRA.ev mobile applications due to insufficient validation of URLs and origins loaded within the WebView component. A remote attacker could exploit this vulnerability by sending malicious web content to the affected WebView. Successful exploitation of this vulnerability could allow the attacker to perform unauthorized interaction with application functionality, obtain live bearer authentication tokens and potentially impersonate the associated user and access vehicle related information and services.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Origin Validation Error
The product does not properly verify that the source of data or communication is valid.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in Tata Motors iRA 2.0
- 8.5 High severity
- 8.8 High severity
Recent Origin Validation Error vulnerabilities
- 9.1 Critical severity
- 9.3 Critical severity
- 8.8 High severity
- 8.8 High severity
- 7.8 High severity
- 8.1 High severity
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