CVE-2026-4242
CVE-2026-4242 is a low-severity vulnerability with a CVSS 3.x base score of 2.5. 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-255.
Key facts
- Severity: Low (CVSS 3.x base score 2.5)
- CVSS v2: 1.0
- CVSS v4: 1.1
- EPSS exploit prediction: 0% (1st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-12447
- Weakness: CWE-255
- Published:
- Last modified:
Description
A security flaw has been discovered in BabyChakra Pregnancy & Parenting App up to 5.4.3.0 on Android. This affects an unknown function of the file file app/babychakra/babychakra/Configuration.java of the component app.babychakra.babychakra. Performing a manipulation of the argument SEGMENT_WRITE_KEY results in unprotected storage of credentials. The attack needs to be approached locally. The complexity of an attack is rather high. The exploitability is reported as difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Frequently asked questions
- What is CVE-2026-4242?
- A security flaw has been discovered in BabyChakra Pregnancy & Parenting App up to 5.4.3.0 on Android. This affects an unknown function of the file file app/babychakra/babychakra/Configuration.java of the component app.babychakra.babychakra. Performing a manipulation of the argument SEGMENT_WRITE_KEY results in unprotected storage of credentials. The attack needs to be approached locally. The complexity of an attack is rather high. The exploitability is reported as difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
- How severe is CVE-2026-4242?
- CVE-2026-4242 has a CVSS 3.x base score of 2.5, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2026-4242 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-4242?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-4242 have an EU (EUVD) identifier?
- Yes. CVE-2026-4242 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12447.
- When was CVE-2026-4242 published?
- CVE-2026-4242 was published on 2026-03-16 and last updated on 2026-06-17.
References
- https://vuldb.com/?ctiid.351184
- https://vuldb.com/?id.351184
- https://vuldb.com/?submit.771429
- https://www.notion.so/Segment-Write-Key-Exposure-Leading-to-Data-Injection-and-User-Profile-Manipulation-In-app-babychakra-3192de3f97fb8084b6b5cb06f96cdf57?source=copy_link
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