CVE-2026-110971

Weak password encoding in Płatnik

Products / packages Zakład Ubezpieczeń Społecznych Płatnik

Published 30/10/2026, 11:56:44 UTC

Severity and exploitation

Not in CISA KEV

KEV coverage does not rule out exploitation.

KEV checked 15/11/2026, 02:40:44 UTC

CERT-PL · CVSS:4.0 · 7.7

Assessment vector

CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity

high7.7

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Not established by this record

Missing evidence does not mean no public exploit exists.

Remediation

Fix status not established

No structured fix or guidance is available here. Check the latest publisher advisory.

What this means

Płatnik software uses a weak password encoding algorithm, allowing a user with access to the encoded password to easily decode it. The issue affects versions up to 10.02.002. It was fixed in metric 334 in version 10.02.002.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Attack conditions

No attack-condition excerpt has been identified here. Review the full source description and references for authentication, network access, and configuration requirements.

Review supporting sources →

Affected versions

Check the exact model, release, and any platform requirements against your installation.

Zakład Ubezpieczeń Społecznych · CERT-PL

Płatnik

1 range

CERT-PL version evidence

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → through 10.02.002

custom versions

From metric 334: unaffected

Other versions: unaffected

Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

No structured fix or remediation guidance is available here. Check the full source description and vendor’s latest advisory for a patch or workaround; do not assume another version is safe.

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

No public exploit reference is identified in the imported evidence. This is not a claim that no exploit exists.

Original source description

Read the full publisher description

Use of a weak password encoding algorithm in Płatnik software allows a user who obtains encoded password to easily decode it.

This issue was fixed in metric 334 in version 10.02.002.

References

2 sources

cert.pl/posts/2026/10/CVE-2026-110970

Security advisoryCERT-PL

www.zus.pl/firmy/program-platnik/o-programie-platnik

Source referenceCERT-PL

Inside the record

Evidence available

Package identity · not supplied

Version evidence

Remediation guidance · not supplied

Weakness classification

Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-110971

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-261 ↗

CWE-261 Weak encoding for password

CERT-PL

Environment requirements

These conditions apply together as specified by the publisher. A matching product name alone does not establish exposure.

CERT-PL · platform conditions

Any condition may hold

Vulnerable product

cpe:2.3:a:zak_ad_ubezpiecze_spo_ecznych:p_atnik:*:*:*:*:*:*:*:*

From (inclusive): 0

After:

Through (inclusive): 10.02.002

Before:

Applicability preview

[
  {
    "operator": "OR",
    "nodes": [
      {
        "operator": "OR",
        "negate": false,
        "cpeMatch": [
          {
            "vulnerable": true,
            "criteria": "cpe:2.3:a:zak_ad_ubezpiecze_spo_ecznych:p_atnik:*:*:*:*:*:*:*:*",
            "versionStartIncluding": "0",
            "versionEndIncluding": "10.02.002"
          }
        ]
      }
    ]
  }
]

Contributing organizations · 2

CERT-PL

Assigning organization

2026-11-03

CISA-ADP

Additional data publisher

2026-10-30

Timeline

All times UTC

30 Oct 2026, 11:56
Advisory published
Publication date supplied by the source.
3 Nov 2026, 09:13
Source updated
Latest modification date supplied by the source.
3 Nov 2026, 09:20
Last imported by cve.new
Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes

CVE · CVE-2026-1109712026-11-03

Observed 2026-11-03T09:20:47.502Z · upstream updated 2026-11-03T09:13:15.367Z

Description revised

before

Use of a weak password encoding algorithm in Płatnik software allows a user who obtains encoded password to easily decode it. 


This issue was fixed in metric 242 in version 10.02.002.

after

Use of a weak password encoding algorithm in Płatnik software allows a user who obtains encoded password to easily decode it. 


This issue was fixed in metric 334 in version 10.02.002.

Product or version evidence changed

before

[
  {
    "vendor": "Zakład Ubezpieczeń Społecznych",
    "name": "Płatnik",
    "platforms": [],
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "lessThanOrEqual": "10.02.002",
        "versionType": "custom",
        "changes": [
          {
            "at": "metric 242",
            "status": "unaffected"
          }
        ]
      }
    ],
    "defaultStatus": "unaffected",
    "cpes": [],
    "source": "CERT-PL",
    "url": "https://www.cve.org/CVERecord?id=CVE-2026-110971"
  }
]

after

[
  {
    "vendor": "Zakład Ubezpieczeń Społecznych",
    "name": "Płatnik",
    "platforms": [],
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "lessThanOrEqual": "10.02.002",
        "versionType": "custom",
        "changes": [
          {
            "at": "metric 334",
            "status": "unaffected"
          }
        ]
      }
    ],
    "defaultStatus": "unaffected",
    "cpes": [],
    "source": "CERT-PL",
    "url": "https://www.cve.org/CVERecord?id=CVE-2026-110971"
  }
]

CVE · CVE-2026-1109712026-10-30

Observed 2026-10-30T15:43:20.148Z · upstream updated 2026-10-30T15:30:47.680Z

Prioritization updated

before

[]

after

[
  {
    "source": "CISA-ADP",
    "type": "SSVC",
    "role": "CISA Coordinator",
    "timestamp": "2026-10-30T15:30:23.448311Z",
    "decisions": [
      {
        "name": "Exploitation",
        "value": "none"
      },
      {
        "name": "Automatable",
        "value": "no"
      },
      {
        "name": "Technical Impact",
        "value": "total"
      }
    ]
  }
]

Large field values are marked as truncated previews. Original source snapshots remain retained.

Showing up to 50 most recent observed changes.

Reading the signals

Severity · CVSS: Technical impact and attack conditions. The headline is the highest imported catalog score; sources may disagree.
Observed exploitation · KEV: An absent or unavailable KEV listing does not establish that exploitation has not occurred.
Predicted exploitation · EPSS: No EPSS estimate available in this record.

CISA-ADP · SSVC

CISA Coordinator · 2026-10-30

Exploitation: none
Automatable: no
Technical Impact: total

SSVC describes the publisher’s decision context. Your organization’s exposure and priorities may differ.

Record identifiers

Aliases: None recorded

Source evidence

Request a correction or dispute

Start with the assigning organization for this record. Include the CVE ID, the disputed information, and supporting evidence. A dispute does not itself reject a record.

Find the responsible CNA →Official dispute and escalation process ↗

CVE CVE-2026-110971

Enrichment coverage

NVDNo result

Checked 30/10/2026, 12:05:43 UTC

GHSANo result

Checked 30/10/2026, 12:05:41 UTC

EUVDAvailable

Checked 30/10/2026, 12:05:43 UTC

EPSSNo result

Checked 30/10/2026, 12:05:43 UTC

Additional source evidence

ENISA EUVD · EUVD-2026-113775

CVSS 7.7 CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Checked 30/10/2026, 12:05:43 UTC

Sponsored by MoxsoBuild security habits with adaptive training and phishing simulations.View as JSON

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Weak password encoding in Płatnik

Severity and exploitation

What this means

Attack conditions

Affected versions

Płatnik

affected

unaffected

unknown

What to do

Public exploit evidence

Original source description

References

Inside the record

Evidence available

Original records

Underlying weaknesses

Environment requirements

Timeline

Advisory published

Source updated

Last imported by cve.new

What changed