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Fencer Intel
medium 4.6

CVE-2026-116263 json

HaschekSolutions PictShare File Upload core.php architect race condition

published 14d ago modified 9d ago also EUVD-2026-109784

cvss
4.6
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 2%
public exploits
0
none known

Summary

A flaw has been found in HaschekSolutions PictShare up to 3.7.1. The impacted element is the function architect of the file src/inc/core.php of the component File Upload. This manipulation causes race condition. The attack can be initiated remotely. The attack's complexity is rated as high. The exploitability is regarded as difficult. The exploit has been published and may be used. Upgrading to version 3.7.2 is sufficient to resolve this issue. Patch name: 6306e33da630c04ddff60703922c2ec7b7539452. It is advisable to upgrade the affected component. The vendor was contacted early about this disclosure.

Patch / fix

  • HaschekSolutions PictShare 3.7.2

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
9d ago

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • xmit.xyz https://xmit.xyz/security/the-file-that-changed-its-mind/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 2.1 CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA 3.1 4.6 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CNA 3.0 4.6 CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CNA 2.0 4.6 AV:N/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C
CNA 4.0 1.2 CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/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 4.6 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
CNA 2.0 4.6 AV:N/AC:H/Au:S/C:P/I:P/A:P

Affected products

  • HaschekSolutions PictShare

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

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.