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Fencer Intel
low 2.5

CVE-2026-4242 json

BabyChakra Pregnancy & Parenting App app.babychakra.babychakra Configuration.java credentials storage

published 7mo ago modified 4mo ago also EUVD-2026-12447

cvss
2.5
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 0%
public exploits
0
none known

Summary

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.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
7mo ago

Exploit prediction

0.10% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • notion.so https://www.notion.so/Segment-Write-Key-Exposure-Leading-to-Data-Injection-and-User-Profile-Manipulation-In-app-babychakra-3192de3f97fb8084b6b5cb06f96cdf57?source=copy_link referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 2.0 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CNA 3.1 2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA 3.0 2.5 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA 2.0 1.0 AV:L/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
CNA 4.0 1.1 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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
CNA 3.1 2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA 2.0 1.0 AV:L/AC:H/Au:S/C:P/I:N/A:N

Affected products

  • BabyChakra Pregnancy & Parenting App

Classification

Weakness
  • CWE-256 Plaintext Storage of a Password
  • CWE-255 Credentials Management Errors

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.